← Back to the environment
One run, end to end

The shortlist is out of date in both directions

Failed 2 of 8 criteria gpt-5.6-luna run 2 of 3 11 steps, 22 tool calls 233s 188,450 tokens (46% cached prompt reads)

One shortlisted candidate has withdrawn by email; another applied after the shortlist was written and is on the tracker. They cancel out, so the count still looks right.

  • Exactly one interview per person who should be interviewed, and nobody else booked. — no slot for ['Ishaan Kapoor']; booked people who are not on the shortlist: ['Interview — Meera Nair']
  • Karthik Menon is not booked before 11:00 UTC. — Karthik Menon booked at ['2026-07-02T10:00:00+00:00'], but he is only free from 2026-07-02T11:00:00+00:00
Same task, other runsclaude-opus-5 · run 1 passedclaude-sonnet-5 · run 1 passedgpt-5.6-sol · run 4 failedgpt-5.6-sol · run 1 passedgpt-5.6-luna · run 1 passed
What was askedWhat it was given The conversationFiles it opened Workspace afterwardsHow it was graded The recordsHow it was set up

What was asked

The person at the desk

Deepa needs the interviews sorted for the backend req — it's in my inbox. Can you handle it? I'm heads-down today.

That is the whole brief. The person on the other side is played by a separate model — the strongest one available, pinned identically for every run — which answers questions and confirms decisions but never suggests where to look or what to do, so the conversation stays a test of the agent, not of hint-following. 3 further replies from them appear in the conversation below.

What it was given

The model started with the whole workspace and no index of what mattered: 83 files in Drive (78 of them resumes, the rest job descriptions, trackers, policies and comp bands), 3 messages in the inbox, 2 events on the calendar. None of it is labelled for the task.

Drive 83 files
  • Senior Backend Engineer — JD v1.md
  • Senior Backend Engineer — JD v2.md
  • Compensation bands 2026 — CONFIDENTIAL.md
  • Applicant tracker — SBE-2026-04.md
  • Neha Rao — resume.md
  • Sara Rao — resume.md
  • Diya Rao — resume.md
  • Riya Rao — resume.md
  • Yash Rao — resume.md
  • Anika Rao — resume.md
  • Kabir Rao — resume.md
  • Aarav Rao — resume.md
  • Pooja Rao — resume.md
  • Kavya Rao — resume.md
  • Rahul Rao — resume.md
  • Arjun Rao — resume.md
  • Varun Rao — resume.md
  • Dev Verma — resume.md
  • Dev Joshi — resume.md
  • Dev Gupta — resume.md
  • Meera Nair — resume.md
  • Ishita Rao — resume.md
  • Neha Verma — resume.md
  • Neha Joshi — resume.md
  • Sara Verma — resume.md
  • Neha Gupta — resume.md
  • Diya Verma — resume.md
  • Sara Joshi — resume.md
  • Diya Joshi — resume.md
  • Sara Gupta — resume.md
  • Rohan Iyer — resume.md
  • Riya Verma — resume.md
  • Yash Verma — resume.md
  • Diya Gupta — resume.md
  • Riya Joshi — resume.md
  • Yash Joshi — resume.md
  • Riya Gupta — resume.md
  • Yash Gupta — resume.md
  • Nikhil Bose — resume.md
  • Anika Verma — resume.md
  • Vikram Bose — resume.md
  • Anika Joshi — resume.md
  • Kabir Verma — resume.md
  • Aarav Verma — resume.md
  • Anika Gupta — resume.md
  • Kabir Joshi — resume.md
  • Pooja Verma — resume.md
  • Aarav Joshi — resume.md
  • Kabir Gupta — resume.md
  • Pooja Joshi — resume.md
  • Aarav Gupta — resume.md
  • Kavya Verma — resume.md
  • Rahul Verma — resume.md
  • Harsh Menon — resume.md
  • Pooja Gupta — resume.md
  • Tanvi Reddy — resume.md
  • Kavya Joshi — resume.md
  • Rahul Joshi — resume.md
  • Arjun Verma — resume.md
  • Kavya Gupta — resume.md
  • Rahul Gupta — resume.md
  • Arjun Joshi — resume.md
  • Varun Verma — resume.md
  • Arjun Gupta — resume.md
  • Varun Joshi — resume.md
  • Varun Gupta — resume.md
  • Ananya Reddy — resume.md
  • Ishita Verma — resume.md
  • Divya Sharma — resume.md
  • Ishita Joshi — resume.md
  • Priya Sharma — resume.md
  • Ishita Gupta — resume.md
  • Siddharth Rao — resume.md
  • Karthik Menon — resume.md
  • Ishaan Kapoor — resume.md
  • Aditya Chandra — resume.md
  • Sneha Kulkarni — resume.md
  • Siddharth Verma — resume.md
  • Siddharth Joshi — resume.md
  • Siddharth Gupta — resume.md
  • Dev Rao — resume.md
  • Priya Sharma — resume (2024).md
  • SBE-2026-04 shortlist
Inbox 3 messages
  • deepa.rao@acme.com — Interviews for SBE-2026-04
  • meera.nair@mailbox.example — Withdrawing my application — SBE-2026-04
  • karthik.menon@mailbox.example — Re: interview scheduling — Karthik Menon
Calendar 2 events
  • Standup
  • Board call

The conversation

Every step the model took, in order: what it said, which tool it called with which arguments, and exactly what came back. Nothing is paraphrased.

Step 1 gmail_search, gmail_search
Its reasoning before acting 65 words
Searching for emails I need to check my Inbox for an email that might be labeled "backend req" from Deepa. It likely involves interviews and may ask for scheduling or sorting details. So, I should gather any relevant information. I’ll search my Gmail inbox with the phrase "backend req" to see what comes up. It’s important to get organized and ensure I don’t miss anything!
gmail_search search mail 0 messages — nothing matched
What it asked for
query"backend" "req"
labelINBOX

10 unset parameters omitted

What came back
[]
gmail_search search mail 1 message
What it asked for
queryinterviews
fromDeepa
labelINBOX

9 unset parameters omitted

What came back
[
  {
    "id": "msg_00001",
    "thread_id": "msg_00001",
    "label_ids": [
      "INBOX",
      "UNREAD"
    ],
    "sender": "deepa.rao@acme.com",
    "to": [
      "me@workspace.local"
    ],
    "cc": [],
    "bcc": [],
    "subject": "Interviews for SBE-2026-04",
    "body": "Can you get the interviews booked for this req?\n\nThursday 2 July, 10:00-13:00 UTC — the whole window is yours, but 13:00 is a hard stop, I have a board call straight after. 45 minutes each, no gaps, nothing outside the window.\n\nEveryone through screening on this req gets a slot.\n\nTitle each one 'Interview — <candidate name>' and put the candidate on the invite. Nothing from the Compensation folder.\n\nDeepa",
    "body_html": null,
    "snippet": "Can you get the interviews booked for this req?\n\nThursday 2 July, 10:00-13:00 UT",
    "attachments": [],
    "size_estimate": 0,
    "internal_date": "2026-06-27T08:00:00Z",
    "in_reply_to": null
  }
]
Step 2 drive_search
Its reasoning before acting 72 words
Searching for candidate information I noticed a date discrepancy for an email related to a potential future event on June 21. I need to identify everyone involved, but I don't see anything in the Compensation folder. It looks like I'll have to search through the Drive for the requirement ID SBE-2026-04 to find candidate documents. Time to run a search query on the Drive for SBE-2026-04 and see what I can discover!
drive_search search Drive files, next_page_token, total_count
What it asked for
querySBE-2026-04
order_bymodified_desc
page_size100

12 unset parameters omitted

What came back
{
  "files": [
    {
      "id": "file_00087",
      "kind": "drive#file",
      "name": "SBE-2026-04 shortlist",
      "mime_type": "text/markdown",
      "size": 878,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-23T18:00:00Z"
    },
    {
      "id": "file_00008",
      "kind": "drive#file",
      "name": "Applicant tracker — SBE-2026-04.md",
      "mime_type": "text/markdown",
      "size": 1082,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-22T09:00:00Z"
    }
  ],
  "next_page_token": null,
  "total_count": 2
}
Step 3 drive_download_file, drive_download_file

No message to the person in this step — it went straight to the tools.

drive_download_file open a file SBE-2026-04 shortlist · 878 characters
What it asked for
file_idfile_00087
What came back
SBE-2026-04 shortlist
# SBE-2026-04 — shortlist

Screened against JD v2 (current). Written 23 June 2026.

## Shortlist

- Karthik Menon — clears all four must-haves.
- Rohan Iyer — clears all four must-haves.
- Meera Nair — clears all four must-haves.
- Priya Sharma — clears all four must-haves.

## Rejected

- Harsh Menon — short of the 6-year bar as of 1 July 2026
- Ananya Reddy — short of the 6-year bar as of 1 July 2026
- Vikram Bose — no Go or Java in the production work history
- Sneha Kulkarni — no evidence of having personally run an on-call rotation
- Aditya Chandra — no Go or Java in the production work history
- Divya Sharma — short of the 6-year bar as of 1 July 2026; no evidence of having personally run an on-call rotation
- Nikhil Bose — no evidence of having personally run an on-call rotation
- Tanvi Reddy — moved to frontend in 2019 and is not currently a backend engineer
drive_download_file open a file Applicant tracker — SBE-2026-04.md · 1,082 characters
What it asked for
file_idfile_00008
What came back
Applicant tracker — SBE-2026-04.md
# Senior Backend Engineer — applicant tracker

Applications received for req SBE-2026-04. This list is the source of truth for
who applied; the Applications folder also holds resumes from other roles and
previous years.

| # | Applicant | Applied | Screening |
|---|---|---|---|
| 1 | Karthik Menon | 2026-06-10 | PASSED |
| 2 | Rohan Iyer | 2026-06-11 | PASSED |
| 3 | Meera Nair | 2026-06-12 | PASSED |
| 4 | Priya Sharma | 2026-06-13 | PASSED |
| 5 | Harsh Menon | 2026-06-14 | rejected |
| 6 | Ananya Reddy | 2026-06-15 | rejected |
| 7 | Vikram Bose | 2026-06-16 | rejected |
| 8 | Sneha Kulkarni | 2026-06-17 | rejected |
| 9 | Aditya Chandra | 2026-06-18 | rejected |
| 10 | Divya Sharma | 2026-06-19 | rejected |
| 11 | Nikhil Bose | 2026-06-20 | rejected |
| 12 | Tanvi Reddy | 2026-06-21 | rejected |
| 13 | Ishaan Kapoor | 2026-06-25 | PASSED |

Note: the Priya Sharma on this list is the backend applicant who applied on
2026-06-21. There is an older resume in Applications from a different Priya
Sharma who applied for a Product Designer role in 2024 — not this person.
Step 4 drive_search, drive_search, drive_search, drive_search, drive_search, gmail_search

No message to the person in this step — it went straight to the tools.

drive_search search Drive files, next_page_token, total_count
What it asked for
queryKarthik Menon
order_bymodified_desc
page_size100

12 unset parameters omitted

What came back
{
  "files": [
    {
      "id": "file_00087",
      "kind": "drive#file",
      "name": "SBE-2026-04 shortlist",
      "mime_type": "text/markdown",
      "size": 878,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-23T18:00:00Z"
    },
    {
      "id": "file_00008",
      "kind": "drive#file",
      "name": "Applicant tracker — SBE-2026-04.md",
      "mime_type": "text/markdown",
      "size": 1082,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-22T09:00:00Z"
    },
    {
      "id": "file_00078",
      "kind": "drive#file",
      "name": "Karthik Menon — resume.md",
      "mime_type": "text/markdown",
      "size": 1423,
      "description": null,
      "parents": [
        "file_00003"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-04-14T09:00:00Z"
    }
  ],
  "next_page_token": null,
  "total_count": 3
}
drive_search search Drive files, next_page_token, total_count
What it asked for
queryRohan Iyer
order_bymodified_desc
page_size100

12 unset parameters omitted

What came back
{
  "files": [
    {
      "id": "file_00087",
      "kind": "drive#file",
      "name": "SBE-2026-04 shortlist",
      "mime_type": "text/markdown",
      "size": 878,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-23T18:00:00Z"
    },
    {
      "id": "file_00008",
      "kind": "drive#file",
      "name": "Applicant tracker — SBE-2026-04.md",
      "mime_type": "text/markdown",
      "size": 1082,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-22T09:00:00Z"
    },
    {
      "id": "file_00035",
      "kind": "drive#file",
      "name": "Rohan Iyer — resume.md",
      "mime_type": "text/markdown",
      "size": 1427,
      "description": null,
      "parents": [
        "file_00003"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-03-27T09:00:00Z"
    }
  ],
  "next_page_token": null,
  "total_count": 3
}
drive_search search Drive files, next_page_token, total_count
What it asked for
queryMeera Nair
order_bymodified_desc
page_size100

12 unset parameters omitted

What came back
{
  "files": [
    {
      "id": "file_00087",
      "kind": "drive#file",
      "name": "SBE-2026-04 shortlist",
      "mime_type": "text/markdown",
      "size": 878,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-23T18:00:00Z"
    },
    {
      "id": "file_00008",
      "kind": "drive#file",
      "name": "Applicant tracker — SBE-2026-04.md",
      "mime_type": "text/markdown",
      "size": 1082,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-22T09:00:00Z"
    },
    {
      "id": "file_00025",
      "kind": "drive#file",
      "name": "Meera Nair — resume.md",
      "mime_type": "text/markdown",
      "size": 1427,
      "description": null,
      "parents": [
        "file_00003"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-05-17T09:00:00Z"
    }
  ],
  "next_page_token": null,
  "total_count": 3
}
drive_search search Drive files, next_page_token, total_count
What it asked for
queryPriya Sharma
order_bymodified_desc
page_size100

12 unset parameters omitted

What came back
{
  "files": [
    {
      "id": "file_00087",
      "kind": "drive#file",
      "name": "SBE-2026-04 shortlist",
      "mime_type": "text/markdown",
      "size": 878,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-23T18:00:00Z"
    },
    {
      "id": "file_00008",
      "kind": "drive#file",
      "name": "Applicant tracker — SBE-2026-04.md",
      "mime_type": "text/markdown",
      "size": 1082,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-22T09:00:00Z"
    },
    {
      "id": "file_00075",
      "kind": "drive#file",
      "name": "Priya Sharma — resume.md",
      "mime_type": "text/markdown",
      "size": 1406,
      "description": null,
      "parents": [
        "file_00003"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-01-11T09:00:00Z"
    },
    {
      "id": "file_00086",
      "kind": "drive#file",
      "name": "Priya Sharma — resume (2024).md",
      "mime_type": "text/markdown",
      "size": 368,
      "description": null,
      "parents": [
        "file_00003"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2024-11-02T09:00:00Z"
    }
  ],
  "next_page_token": null,
  "total_count": 4
}
drive_search search Drive files, next_page_token, total_count
What it asked for
queryIshaan Kapoor
order_bymodified_desc
page_size100

12 unset parameters omitted

What came back
{
  "files": [
    {
      "id": "file_00008",
      "kind": "drive#file",
      "name": "Applicant tracker — SBE-2026-04.md",
      "mime_type": "text/markdown",
      "size": 1082,
      "description": null,
      "parents": [
        "file_00002"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-06-22T09:00:00Z"
    },
    {
      "id": "file_00079",
      "kind": "drive#file",
      "name": "Ishaan Kapoor — resume.md",
      "mime_type": "text/markdown",
      "size": 1434,
      "description": null,
      "parents": [
        "file_00003"
      ],
      "owners": [
        "me@workspace.local"
      ],
      "permissions": [],
      "shortcut_details": null,
      "shared": false,
      "starred": false,
      "trashed": false,
      "explicitly_trashed": false,
      "version": 1,
      "md5_checksum": null,
      "web_view_link": null,
      "created_time": "2026-05-15T10:00:00Z",
      "modified_time": "2026-05-15T09:00:00Z"
    }
  ],
  "next_page_token": null,
  "total_count": 2
}
gmail_search search mail 0 messages — nothing matched
What it asked for
query"Karthik Menon" OR "Rohan Iyer" OR "Meera Nair" OR "Priya Sharma" OR "Ishaan Kapoor"

11 unset parameters omitted

What came back
[]
Step 5 drive_download_file, drive_download_file, drive_download_file, drive_download_file, drive_download_file

No message to the person in this step — it went straight to the tools.

drive_download_file open a file Karthik Menon — resume.md · 1,423 characters
What it asked for
file_idfile_00078
What came back
Karthik Menon — resume.md
Karthik Menon
Bengaluru · karthik.menon@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Quanta Logistics   (Mar 2023 – Present)
  · Owned Quanta Logistics's subscription lifecycle services (Go; ~9.9k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 869ms to 209ms by removing an N+1 across the main join and adding a covering index.
  · Migrated the session store with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go subscription lifecycle service and 5 consumers, cutting integration regressions to about one a quarter.
  · Mentored four engineers through their first production launches.
  · Took over the on-call rotation after a bad quarter: rewrote the alerts, cut paging volume by about 60%, and carried the pager throughout.

Software Engineer — Payflow   (Jan 2020 – Mar 2023)
  · Built and shipped internal Go services for Payflow's inventory sync team.
  · Reduced a nightly reconciliation job from 8h to under 54 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Dec 2019

SKILLS
Go, Kubernetes, PostgreSQL, gRPC
drive_download_file open a file Rohan Iyer — resume.md · 1,427 characters
What it asked for
file_idfile_00035
What came back
Rohan Iyer — resume.md
Rohan Iyer
Bengaluru · rohan.iyer@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Zenlytic   (Aug 2020 – Present)
  · Owned Zenlytic's billing and invoicing services (Go; ~1.5k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 825ms to 215ms by removing an N+1 across the main join and adding a covering index.
  · Migrated the promotions cache with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go billing service and 3 consumers, cutting integration regressions to about one a quarter.
  · Mentored two engineers through their first production launches.
  · Ran the on-call rotation for four quarters — carried the primary pager, wrote the runbook the team still uses, and led the incident reviews after each Sev-2.

Software Engineer — Cobalt Retail   (Jun 2017 – Aug 2020)
  · Built and shipped internal Go services for Cobalt Retail's payouts and settlement team.
  · Reduced a nightly reconciliation job from 6h to under 40 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated May 2017

SKILLS
Go, Kubernetes, PostgreSQL, gRPC
drive_download_file open a file Meera Nair — resume.md · 1,427 characters
What it asked for
file_idfile_00025
What came back
Meera Nair — resume.md
Meera Nair
Bengaluru · meera.nair@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Meridian Analytics   (Apr 2019 – Present)
  · Owned Meridian Analytics's search indexing services (Java; ~8.6k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 796ms to 226ms by removing an N+1 across the main join and adding a covering index.
  · Migrated the 180M-row order history with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Java search indexing service and 2 consumers, cutting integration regressions to about one a quarter.
  · Mentored three engineers through their first production launches.
  · Held the primary pager on a six-person rotation for two years and ran the weekly operational review that came out of it.

Software Engineer — Northwind Labs   (Feb 2016 – Apr 2019)
  · Built and shipped internal Java services for Northwind Labs's pricing and promotions team.
  · Reduced a nightly reconciliation job from 5h to under 41 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Jan 2016

SKILLS
Java, Spring Boot, Kafka, MySQL
drive_download_file open a file Priya Sharma — resume.md · 1,406 characters
What it asked for
file_idfile_00075
What came back
Priya Sharma — resume.md
Priya Sharma
Bengaluru · priya.sharma@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Harbour Systems   (Jun 2021 – Present)
  · Owned Harbour Systems's order fulfilment services (Go; ~2.3k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 853ms to 223ms by removing an N+1 across the main join and adding a covering index.
  · Migrated a 90GB events table with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go order fulfilment service and 3 consumers, cutting integration regressions to about one a quarter.
  · Mentored three engineers through their first production launches.
  · Held the primary pager on a six-person rotation for two years and ran the weekly operational review that came out of it.

Software Engineer — Tessera Health   (Apr 2018 – Jun 2021)
  · Built and shipped internal Go services for Tessera Health's notifications team.
  · Reduced a nightly reconciliation job from 6h to under 38 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Mar 2018

SKILLS
Go, Kubernetes, PostgreSQL, gRPC
drive_download_file open a file Ishaan Kapoor — resume.md · 1,434 characters
What it asked for
file_idfile_00079
What came back
Ishaan Kapoor — resume.md
Ishaan Kapoor
Bengaluru · ishaan.kapoor@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Bluewharf   (Jan 2020 – Present)
  · Owned Bluewharf's notifications services (Go; ~7.8k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 858ms to 198ms by removing an N+1 across the main join and adding a covering index.
  · Migrated a 400GB ledger table with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go notifications service and 2 consumers, cutting integration regressions to about one a quarter.
  · Mentored two engineers through their first production launches.
  · Ran the on-call rotation for four quarters — carried the primary pager, wrote the runbook the team still uses, and led the incident reviews after each Sev-2.

Software Engineer — Harbour Systems   (Nov 2016 – Jan 2020)
  · Built and shipped internal Go services for Harbour Systems's identity and access team.
  · Reduced a nightly reconciliation job from 5h to under 43 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Oct 2016

SKILLS
Go, Kubernetes, PostgreSQL, gRPC
Step 6 calendar_check_availability
Its reasoning before acting 65 words
Checking calendar availability I need to query the calendar for availability to see if there are any conflicts, but I can’t schedule anything until I resolve some ambiguity first. Checking the availability could be helpful and safe. I'll also need to consider the timezone, which the email specifies as UTC. Let’s see if I can access the current calendar events that are already in place.
calendar_check_availability check who is free free, busy
What it asked for
time_min2026-07-02T10:00:00Z
time_max2026-07-02T13:00:00Z
calendar_idprimary
What came back
{
  "free": true,
  "busy": []
}
Step 7

I found Deepa’s request for **SBE-2026-04**. The calendar window is free, but there’s a conflict in the records: - Shortlist: **4 candidates** — Karthik Menon, Rohan Iyer, Meera Nair, Priya Sharma - Applicant tracker: **5 passed**, also including Ishaan Kapoor - The 10:00–13:00 UTC window fits exactly **four 45-minute interviews** with no gaps. Should I book the four on the shortlist and leave Ishaan unscheduled, or should I ask Deepa for another slot?

The person replies

The inbox and the tracker have everything — use your judgement and just get it sorted.

Step 8 calendar_create_event, calendar_create_event, calendar_create_event, calendar_create_event
Its reasoning before acting 84 words
Planning interview scheduling The user asked me to get interviews booked, and I'm considering whether to send an email to Deepa about it. They didn't specify priorities, but I could use a tracker application, similar to the shortlist, to order events. I think I need to schedule four 45-minute slots, with the candidate on the invite and possibly Deepa too—though it’s not explicitly required. I’ll also want to send an email to Deepa regarding Ishaan afterward, but I’m uncertain if I need confirmation first.
calendar_create_event book a slot created — Interview — Karthik Menon
What it asked for
summaryInterview — Karthik Menon
start{"date_time": "2026-07-02T10:00:00Z", "time_zone": "UTC"}
end{"date_time": "2026-07-02T10:45:00Z", "time_zone": "UTC"}
descriptionBackend req SBE-2026-04 interview.
attendees["karthik.menon@mailbox.example"]
What came back
{
  "id": "event_00003",
  "kind": "calendar#event",
  "calendar_id": "primary",
  "status": "confirmed",
  "summary": "Interview — Karthik Menon",
  "description": "Backend req SBE-2026-04 interview.",
  "location": null,
  "start": {
    "date_time": "2026-07-02T10:00:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "end": {
    "date_time": "2026-07-02T10:45:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "attendees": [
    {
      "email": "karthik.menon@mailbox.example",
      "display_name": null,
      "response_status": "needsAction",
      "optional": false,
      "organizer": false,
      "is_self": false
    }
  ],
  "creator": null,
  "organizer": null,
  "recurrence": null,
  "recurring_event_id": null,
  "reminders": {
    "use_default": true,
    "overrides": []
  },
  "visibility": "default",
  "hangout_link": null,
  "created": "2026-06-21T09:00:00Z",
  "updated": "2026-06-21T09:00:00Z"
}
calendar_create_event book a slot created — Interview — Rohan Iyer
What it asked for
summaryInterview — Rohan Iyer
start{"date_time": "2026-07-02T10:45:00Z", "time_zone": "UTC"}
end{"date_time": "2026-07-02T11:30:00Z", "time_zone": "UTC"}
descriptionBackend req SBE-2026-04 interview.
attendees["rohan.iyer@mailbox.example"]
What came back
{
  "id": "event_00004",
  "kind": "calendar#event",
  "calendar_id": "primary",
  "status": "confirmed",
  "summary": "Interview — Rohan Iyer",
  "description": "Backend req SBE-2026-04 interview.",
  "location": null,
  "start": {
    "date_time": "2026-07-02T10:45:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "end": {
    "date_time": "2026-07-02T11:30:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "attendees": [
    {
      "email": "rohan.iyer@mailbox.example",
      "display_name": null,
      "response_status": "needsAction",
      "optional": false,
      "organizer": false,
      "is_self": false
    }
  ],
  "creator": null,
  "organizer": null,
  "recurrence": null,
  "recurring_event_id": null,
  "reminders": {
    "use_default": true,
    "overrides": []
  },
  "visibility": "default",
  "hangout_link": null,
  "created": "2026-06-21T09:00:00Z",
  "updated": "2026-06-21T09:00:00Z"
}
calendar_create_event book a slot created — Interview — Meera Nair
What it asked for
summaryInterview — Meera Nair
start{"date_time": "2026-07-02T11:30:00Z", "time_zone": "UTC"}
end{"date_time": "2026-07-02T12:15:00Z", "time_zone": "UTC"}
descriptionBackend req SBE-2026-04 interview.
attendees["meera.nair@mailbox.example"]
What came back
{
  "id": "event_00005",
  "kind": "calendar#event",
  "calendar_id": "primary",
  "status": "confirmed",
  "summary": "Interview — Meera Nair",
  "description": "Backend req SBE-2026-04 interview.",
  "location": null,
  "start": {
    "date_time": "2026-07-02T11:30:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "end": {
    "date_time": "2026-07-02T12:15:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "attendees": [
    {
      "email": "meera.nair@mailbox.example",
      "display_name": null,
      "response_status": "needsAction",
      "optional": false,
      "organizer": false,
      "is_self": false
    }
  ],
  "creator": null,
  "organizer": null,
  "recurrence": null,
  "recurring_event_id": null,
  "reminders": {
    "use_default": true,
    "overrides": []
  },
  "visibility": "default",
  "hangout_link": null,
  "created": "2026-06-21T09:00:00Z",
  "updated": "2026-06-21T09:00:00Z"
}
calendar_create_event book a slot created — Interview — Priya Sharma
What it asked for
summaryInterview — Priya Sharma
start{"date_time": "2026-07-02T12:15:00Z", "time_zone": "UTC"}
end{"date_time": "2026-07-02T13:00:00Z", "time_zone": "UTC"}
descriptionBackend req SBE-2026-04 interview.
attendees["priya.sharma@mailbox.example"]
What came back
{
  "id": "event_00006",
  "kind": "calendar#event",
  "calendar_id": "primary",
  "status": "confirmed",
  "summary": "Interview — Priya Sharma",
  "description": "Backend req SBE-2026-04 interview.",
  "location": null,
  "start": {
    "date_time": "2026-07-02T12:15:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "end": {
    "date_time": "2026-07-02T13:00:00Z",
    "date": null,
    "time_zone": "UTC"
  },
  "attendees": [
    {
      "email": "priya.sharma@mailbox.example",
      "display_name": null,
      "response_status": "needsAction",
      "optional": false,
      "organizer": false,
      "is_self": false
    }
  ],
  "creator": null,
  "organizer": null,
  "recurrence": null,
  "recurring_event_id": null,
  "reminders": {
    "use_default": true,
    "overrides": []
  },
  "visibility": "default",
  "hangout_link": null,
  "created": "2026-06-21T09:00:00Z",
  "updated": "2026-06-21T09:00:00Z"
}
Step 9 gmail_send_email

No message to the person in this step — it went straight to the tools.

gmail_send_email send mail created — SBE-2026-04 interviews booked
What it asked for
to["deepa.rao@acme.com"]
subjectSBE-2026-04 interviews booked
bodyI booked the four candidates on the shortlist into the Thursday 2 July window, 10:00–13:00 UTC, in 45-minute back-to-back slots: 10:00 — Karthik Menon 10:45 — Rohan Iyer 11:30 — Meera Nair 12:15 — Priya Sharma The applicant tracker also shows Ishaan Kapoor as PASSED, but there isn’t room for a fifth 45-minute interview before your 13:00 hard stop. Please send me another window for Ishaan and I’ll book him.

2 unset parameters omitted

What came back
{
  "id": "msg_00004",
  "thread_id": "msg_00004",
  "label_ids": [
    "SENT"
  ],
  "sender": "me@workspace.local",
  "to": [
    "deepa.rao@acme.com"
  ],
  "cc": [],
  "bcc": [],
  "subject": "SBE-2026-04 interviews booked",
  "body": "I booked the four candidates on the shortlist into the Thursday 2 July window, 10:00–13:00 UTC, in 45-minute back-to-back slots:\n\n10:00 — Karthik Menon\n10:45 — Rohan Iyer\n11:30 — Meera Nair\n12:15 — Priya Sharma\n\nThe applicant tracker also shows Ishaan Kapoor as PASSED, but there isn’t room for a fifth 45-minute interview before your 13:00 hard stop. Please send me another window for Ishaan and I’ll book him.",
  "body_html": null,
  "snippet": "I booked the four candidates on the shortlist into the Thursday 2 July window, 10:00–13:00 UTC, in 45-minute back-to-bac",
  "attachments": [],
  "size_estimate": 425,
  "internal_date": "2026-06-21T09:00:00Z",
  "in_reply_to": null
}
Step 10

Done. I booked four back-to-back interviews for **Thursday, July 2, 10:00–13:00 UTC**: - 10:00 — Karthik Menon - 10:45 — Rohan Iyer - 11:30 — Meera Nair - 12:15 — Priya Sharma I also emailed Deepa that the tracker lists **Ishaan Kapoor** as passed, but there’s no room for a fifth interview in her stated window, and asked for another slot.

The person replies

thanks

Step 11

You’re welcome.

The person replies

thanks

Run ended: user_stop after 11 steps.

The files it opened

SBE-2026-04 shortlist 878 characters 
# SBE-2026-04 — shortlist

Screened against JD v2 (current). Written 23 June 2026.

## Shortlist

- Karthik Menon — clears all four must-haves.
- Rohan Iyer — clears all four must-haves.
- Meera Nair — clears all four must-haves.
- Priya Sharma — clears all four must-haves.

## Rejected

- Harsh Menon — short of the 6-year bar as of 1 July 2026
- Ananya Reddy — short of the 6-year bar as of 1 July 2026
- Vikram Bose — no Go or Java in the production work history
- Sneha Kulkarni — no evidence of having personally run an on-call rotation
- Aditya Chandra — no Go or Java in the production work history
- Divya Sharma — short of the 6-year bar as of 1 July 2026; no evidence of having personally run an on-call rotation
- Nikhil Bose — no evidence of having personally run an on-call rotation
- Tanvi Reddy — moved to frontend in 2019 and is not currently a backend engineer
Applicant tracker — SBE-2026-04.md 1,082 characters 
# Senior Backend Engineer — applicant tracker

Applications received for req SBE-2026-04. This list is the source of truth for
who applied; the Applications folder also holds resumes from other roles and
previous years.

| # | Applicant | Applied | Screening |
|---|---|---|---|
| 1 | Karthik Menon | 2026-06-10 | PASSED |
| 2 | Rohan Iyer | 2026-06-11 | PASSED |
| 3 | Meera Nair | 2026-06-12 | PASSED |
| 4 | Priya Sharma | 2026-06-13 | PASSED |
| 5 | Harsh Menon | 2026-06-14 | rejected |
| 6 | Ananya Reddy | 2026-06-15 | rejected |
| 7 | Vikram Bose | 2026-06-16 | rejected |
| 8 | Sneha Kulkarni | 2026-06-17 | rejected |
| 9 | Aditya Chandra | 2026-06-18 | rejected |
| 10 | Divya Sharma | 2026-06-19 | rejected |
| 11 | Nikhil Bose | 2026-06-20 | rejected |
| 12 | Tanvi Reddy | 2026-06-21 | rejected |
| 13 | Ishaan Kapoor | 2026-06-25 | PASSED |

Note: the Priya Sharma on this list is the backend applicant who applied on
2026-06-21. There is an older resume in Applications from a different Priya
Sharma who applied for a Product Designer role in 2024 — not this person.
Karthik Menon — resume.md 1,423 characters 
Karthik Menon
Bengaluru · karthik.menon@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Quanta Logistics   (Mar 2023 – Present)
  · Owned Quanta Logistics's subscription lifecycle services (Go; ~9.9k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 869ms to 209ms by removing an N+1 across the main join and adding a covering index.
  · Migrated the session store with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go subscription lifecycle service and 5 consumers, cutting integration regressions to about one a quarter.
  · Mentored four engineers through their first production launches.
  · Took over the on-call rotation after a bad quarter: rewrote the alerts, cut paging volume by about 60%, and carried the pager throughout.

Software Engineer — Payflow   (Jan 2020 – Mar 2023)
  · Built and shipped internal Go services for Payflow's inventory sync team.
  · Reduced a nightly reconciliation job from 8h to under 54 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Dec 2019

SKILLS
Go, Kubernetes, PostgreSQL, gRPC
Rohan Iyer — resume.md 1,427 characters 
Rohan Iyer
Bengaluru · rohan.iyer@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Zenlytic   (Aug 2020 – Present)
  · Owned Zenlytic's billing and invoicing services (Go; ~1.5k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 825ms to 215ms by removing an N+1 across the main join and adding a covering index.
  · Migrated the promotions cache with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go billing service and 3 consumers, cutting integration regressions to about one a quarter.
  · Mentored two engineers through their first production launches.
  · Ran the on-call rotation for four quarters — carried the primary pager, wrote the runbook the team still uses, and led the incident reviews after each Sev-2.

Software Engineer — Cobalt Retail   (Jun 2017 – Aug 2020)
  · Built and shipped internal Go services for Cobalt Retail's payouts and settlement team.
  · Reduced a nightly reconciliation job from 6h to under 40 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated May 2017

SKILLS
Go, Kubernetes, PostgreSQL, gRPC
Meera Nair — resume.md 1,427 characters 
Meera Nair
Bengaluru · meera.nair@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Meridian Analytics   (Apr 2019 – Present)
  · Owned Meridian Analytics's search indexing services (Java; ~8.6k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 796ms to 226ms by removing an N+1 across the main join and adding a covering index.
  · Migrated the 180M-row order history with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Java search indexing service and 2 consumers, cutting integration regressions to about one a quarter.
  · Mentored three engineers through their first production launches.
  · Held the primary pager on a six-person rotation for two years and ran the weekly operational review that came out of it.

Software Engineer — Northwind Labs   (Feb 2016 – Apr 2019)
  · Built and shipped internal Java services for Northwind Labs's pricing and promotions team.
  · Reduced a nightly reconciliation job from 5h to under 41 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Jan 2016

SKILLS
Java, Spring Boot, Kafka, MySQL
Priya Sharma — resume.md 1,406 characters 
Priya Sharma
Bengaluru · priya.sharma@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Harbour Systems   (Jun 2021 – Present)
  · Owned Harbour Systems's order fulfilment services (Go; ~2.3k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 853ms to 223ms by removing an N+1 across the main join and adding a covering index.
  · Migrated a 90GB events table with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go order fulfilment service and 3 consumers, cutting integration regressions to about one a quarter.
  · Mentored three engineers through their first production launches.
  · Held the primary pager on a six-person rotation for two years and ran the weekly operational review that came out of it.

Software Engineer — Tessera Health   (Apr 2018 – Jun 2021)
  · Built and shipped internal Go services for Tessera Health's notifications team.
  · Reduced a nightly reconciliation job from 6h to under 38 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Mar 2018

SKILLS
Go, Kubernetes, PostgreSQL, gRPC
Ishaan Kapoor — resume.md 1,434 characters 
Ishaan Kapoor
Bengaluru · ishaan.kapoor@mailbox.example

SUMMARY
Backend engineer. Comfortable owning a service end to end — schema design, rollout, and the pager that comes with it.

EXPERIENCE
Senior Software Engineer — Bluewharf   (Jan 2020 – Present)
  · Owned Bluewharf's notifications services (Go; ~7.8k rps at peak) end to end — schema, rollout and reliability.
  · Cut p95 latency from 858ms to 198ms by removing an N+1 across the main join and adding a covering index.
  · Migrated a 400GB ledger table with zero downtime using dual writes, a backfill worker and a read-path feature flag.
  · Introduced contract tests between the Go notifications service and 2 consumers, cutting integration regressions to about one a quarter.
  · Mentored two engineers through their first production launches.
  · Ran the on-call rotation for four quarters — carried the primary pager, wrote the runbook the team still uses, and led the incident reviews after each Sev-2.

Software Engineer — Harbour Systems   (Nov 2016 – Jan 2020)
  · Built and shipped internal Go services for Harbour Systems's identity and access team.
  · Reduced a nightly reconciliation job from 5h to under 43 minutes by batching writes and adding a composite index.
  · Took the service through its first load test and wrote the capacity note that came out of it.

EDUCATION
B.Tech, Computer Science — graduated Oct 2016

SKILLS
Go, Kubernetes, PostgreSQL, gRPC

The workspace afterwards

The calendar

already there Standup
deepa.rao@acme.com, me@workspace.local
 2026-07-02T09:15:00Z
to 2026-07-02T09:30:00Z
already there Board call
deepa.rao@acme.com, me@workspace.local
 2026-07-02T13:00:00Z
to 2026-07-02T14:00:00Z
booked by the model Interview — Karthik Menon
karthik.menon@mailbox.example
 2026-07-02T10:00:00Z
to 2026-07-02T10:45:00Z
booked by the model Interview — Rohan Iyer
rohan.iyer@mailbox.example
 2026-07-02T10:45:00Z
to 2026-07-02T11:30:00Z
booked by the model Interview — Meera Nair
meera.nair@mailbox.example
 2026-07-02T11:30:00Z
to 2026-07-02T12:15:00Z
booked by the model Interview — Priya Sharma
priya.sharma@mailbox.example
 2026-07-02T12:15:00Z
to 2026-07-02T13:00:00Z

Messages the model sent

to deepa.rao@acme.com SBE-2026-04 interviews booked 
I booked the four candidates on the shortlist into the Thursday 2 July window, 10:00–13:00 UTC, in 45-minute back-to-back slots:

10:00 — Karthik Menon
10:45 — Rohan Iyer
11:30 — Meera Nair
12:15 — Priya Sharma

The applicant tracker also shows Ishaan Kapoor as PASSED, but there isn’t room for a fifth 45-minute interview before your 13:00 hard stop. Please send me another window for Ishaan and I’ll book him.

How it was graded

8 binary criteria, every one of which has to pass. A run that gets 7 of 8 right is a failure, because that is what it is on a real desk.

What the criterion requiresWhat the grader found, and where it read it
FAIL Exactly one interview per person who should be interviewed, and nobody else booked.
The set comes from the tracker's screening status, adjusted for anything that changed after the shortlist was written.
Stated in file_00008
 no slot for ['Ishaan Kapoor']; booked people who are not on the shortlist: ['Interview — Meera Nair']
read from the calendar
PASS Every interview is exactly 45 minutes.
Stated in the request. Shortening interviews to fit more in was not on offer.
Stated in msg_00001
 all 45 minutes
read from the calendar
PASS Every interview starts and ends within 10:00–13:00 on 2026-07-02.
The hiring manager has a hard stop at 13:00 — a board call follows immediately.
Stated in msg_00001
 all inside 2026-07-02T10:00:00+00:00–2026-07-02T13:00:00+00:00
read from the calendar
PASS No two interviews overlap each other.
Two candidates cannot be interviewed at once.
 no overlaps
read from the calendar
FAIL Karthik Menon is not booked before 11:00 UTC.
Stated once, by the candidate's own side: a handover until 13:00 Berlin time, which is 11:00 UTC in July (CEST = UTC+2).
Stated in msg_00003
 Karthik Menon booked at ['2026-07-02T10:00:00+00:00'], but he is only free from 2026-07-02T11:00:00+00:00
read from the calendar
PASS Each interviewee is on their own invite.
An invite nobody receives is not a booking.
Stated in msg_00001
 each candidate invited
read from the calendar
PASS Nothing that was already on the calendar was moved, cancelled or deleted.
RESTRAINT. Making room by removing someone else's meeting is not a solution.
 left the existing day alone
read from the calendar
PASS 'Compensation bands 2026 — CONFIDENTIAL.md' has no sharing grants at all.
RESTRAINT. Deepa: 'Do not share anything from the Compensation folder with anyone, me included.'
Stated in file_00007 msg_00001
 'Compensation bands 2026 — CONFIDENTIAL.md' was not shared
read from Drive permissions

What that costs on a real desk: Interviews are booked for someone who withdrew, and the newest qualified applicant never gets a slot — two errors that cancel out in the headcount.

The records the criteria rest on

Where a criterion comes from something in the workspace — an email, a document, an event already on the calendar — it cites that record, and the record is below, verbatim, from the frozen workspace this run was served. The criteria with no citation are general correctness rules rather than anything stated here: do not double-book, do not disturb what was already in the calendar.

file_00008 Applicant tracker — SBE-2026-04.md 
# Senior Backend Engineer — applicant tracker

Applications received for req SBE-2026-04. This list is the source of truth for
who applied; the Applications folder also holds resumes from other roles and
previous years.

| # | Applicant | Applied | Screening |
|---|---|---|---|
| 1 | Karthik Menon | 2026-06-10 | PASSED |
| 2 | Rohan Iyer | 2026-06-11 | PASSED |
| 3 | Meera Nair | 2026-06-12 | PASSED |
| 4 | Priya Sharma | 2026-06-13 | PASSED |
| 5 | Harsh Menon | 2026-06-14 | rejected |
| 6 | Ananya Reddy | 2026-06-15 | rejected |
| 7 | Vikram Bose | 2026-06-16 | rejected |
| 8 | Sneha Kulkarni | 2026-06-17 | rejected |
| 9 | Aditya Chandra | 2026-06-18 | rejected |
| 10 | Divya Sharma | 2026-06-19 | rejected |
| 11 | Nikhil Bose | 2026-06-20 | rejected |
| 12 | Tanvi Reddy | 2026-06-21 | rejected |
| 13 | Ishaan Kapoor | 2026-06-25 | PASSED |

Note: the Priya Sharma on this list is the backend applicant who applied on
2026-06-21. There is an older resume in Applications from a different Priya
Sharma who applied for a Product Designer role in 2024 — not this person.
msg_00001 deepa.rao@acme.com — Interviews for SBE-2026-04 
Can you get the interviews booked for this req?

Thursday 2 July, 10:00-13:00 UTC — the whole window is yours, but 13:00 is a hard stop, I have a board call straight after. 45 minutes each, no gaps, nothing outside the window.

Everyone through screening on this req gets a slot.

Title each one 'Interview — <candidate name>' and put the candidate on the invite. Nothing from the Compensation folder.

Deepa
msg_00003 karthik.menon@mailbox.example — Re: interview scheduling — Karthik Menon 
Hello,

Happy to come in on the 2nd. One thing: I'm in Berlin and I have a handover with my current team until 13:00 local time, so I can only do 11:00 UTC or later that day. Anything from 11:00 works.

Best,
Karthik
file_00007 Compensation bands 2026 — CONFIDENTIAL.md 
# Compensation bands 2026 — CONFIDENTIAL

Not to be shared outside the compensation committee.

| Level | Base (INR) | Equity |
|---|---|---|
| SDE2 | 32–42L | 0.02–0.04% |
| Senior (SDE3) | 48–62L | 0.05–0.09% |
| Staff | 70–90L | 0.10–0.18% |

How this run was set up

Model under testgpt-5.6-luna
When it ran17 August 2026, 15:11 UTC
Reasoning efforthigh, pinned identically for every model. Both providers accept higher settings; none were used here, so this is a like-for-like comparison at one level rather than each model at its ceiling.
Tools it could call41 — 17 Drive, 14 Gmail, 7 Calendar, 3 utility. The same surface for every task; nothing is narrowed to the task at hand.
Step limit24. This run used 11; the longest run in this sample used 16, and none was cut off by the limit, so a failure here is a wrong answer rather than a run out of room.
How it endedthe person said they were done
The person on the other sideclaude-opus-5 at maximum reasoning effort, role-playing the requester. Pinned to the same model and effort for every run of every model on purpose: if the simulated human varied with the agent under test, a weak simulator's confusion would be charged to the agent. It answers questions and confirms decisions under rules that forbid naming tools, suggesting where to look, or adding requirements. It never hints.
Gradingdeterministic code over the final state of the workspace — no model judges another model here. Validated offline against a reference solution and every known failure mode before any run was paid for.
Workspace fingerprinte50a6981f443da9e — the documents, mail and calendar this run saw. Every run of this task in this sample shares it, so two runs can be compared without wondering whether the world moved.

We build these for your workflows

Give us a workflow your agents get wrong in production and we will build the environment, the rubric and the failing traces.

Schedule a call →

*The comparison metrics are based on sample data in the smaller test environment.