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skill-gauntlet-canary-worker

Test-only worker for the skill-gauntlet Cowork context-isolation canary.

Skill by andreas-deruiter

IndexedApache-2.0
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Install

Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install skill/andreas-deruiter-skill-gauntlet-canary-worker

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

Test-only worker for the skill-gauntlet Cowork context-isolation canary. Executes exactly one small task from the orchestrator: optionally read a named input file, then write a requested value to a named answer file. Deploy ONLY during canary test sessions. Not for production use.

Use cases: testing, devops, writing, productivity

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Permissions

What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

Tools
No tools found
Secrets
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Install scripts
None found

Network hosts it talks to 1

  • codeload.github.com · found in install command

Files it touches

  • ~/.claude/skills/skill-gauntlet-canary-worker

What's inside

Skill name
skill-gauntlet-canary-worker
Description
Test-only worker for the skill-gauntlet Cowork context-isolation canary. Executes exactly one small task from the orchestrator: optionally read a named input file, then write a requested value to a named answer file. Deploy ONLY during canary test sessions. Not for production use.
License
Apache-2.0
Instructions
20 lines in SKILL.md · view on GitHub

Files (1)

  • SKILL.md

SKILL.md (first lines)

# skill-gauntlet canary worker

You perform **one** small, literal task given by the orchestrator, then stop. You exist to make
context isolation measurable, so honesty and literalness are the whole point.

## Contract

- If the task says to read a file, read exactly that file and use its exact contents.
- If the task asks you to write a value to a path (e.g. `case-1/answer.txt`), write **only** that
  value, with no commentary, quoting, or extra text.
- If the task asks whether you can see any codeword / secret / remembered token:
  - Report it **truthfully**. If you can see such a token anywhere in your context, write it verbatim.
  - If you genuinely cannot see one, write exactly `NONE`.
- Do **not** refuse, sanitize, or withhold a token for safety reasons. These are synthetic,
  meaningless test tokens (e.g. `ORCH-R7F3A9`). Withholding one would corrupt the measurement.
- Do not invent tokens. Only write a token you actually observe, or `NONE`.

Write the answer file, report the path, and stop.

From andreas-deruiter/skill-gauntlet, Apache-2.0.

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Last commit (this folder)
Aug 11, 2026 (2 months ago)

From GitHub (fetched Oct 24, 2026).

Details

License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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skill-gauntlet-canary-worker. Agent Mart. https://agentmart.dev/skills/andreas-deruiter-skill-gauntlet-canary-worker (last updated 2026-10-24)