teamwork-debug

A method for finding the evidence-based cause of a software failure, regression, crash, test flake, or unexpected result. A test flake is a test that passes and fails unpredictably without a code change.

In plain words
What is it for?
Use it to reproduce or inspect a failure, gather targeted evidence, identify the first faulty boundary, and verify an authorized fix on the same failing path.
Why use it?
It prevents guessing at fixes by first locating where the behavior goes wrong and testing the possible explanations.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/jinplu/teamwork/teamwork-debug
Any agent
npx skills add JinPLu/Teamwork --skill teamwork-debug
Clone the repo
git clone --depth 1 https://github.com/JinPLu/Teamwork

Made for: Claude Code, Codex.

Per session 45 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 390 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00045 $0.00390
Opus 5 $0.00023 $0.00195
Sonnet 5 $0.00009 $0.00078
Haiku 4.5 $0.00005 $0.00039

Measured 2d ago against content hash fae442997934, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

teamwork-debug scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/teamwork-debug/SKILL.md · 44 lines

What it actually says

Teamwork Debug

Diagnose from the observed failure, not from a preset ceremony. Read references/runtime-diagnosis.md for the detailed evidence and document semantics.

Method

  1. Reproduce or directly inspect the failure and bound the first bad behavior.
  2. Form only hypotheses supported by evidence. One hypothesis is enough when a direct observation isolates the cause.
  3. Run the smallest observation that distinguishes the live alternatives. For a runtime unknown, use structured logging first when it is that discriminator; keep non-runtime or already-isolated failures probe-minimal.
  4. Locate the first bad owned boundary and state the supported cause.
  5. If the user authorized a fix, make the smallest complete repair and verify the same failing path. Remove temporary instrumentation.
  6. If evidence reveals a different failure, split it explicitly instead of silently changing scope.

freeze observe, instrument, and fix permission in any diagnosis brief. Diagnosis must not silently expand repair authority.

Do not guess a fix or retain temporary diagnostics.

Persistence

When a listed checkpoint fires, write in the same response cycle. If separate stable identities each cross a checkpoint, write each to its own path.

Cross-chat memory lives in one Markdown document from references/debug.md at docs/teamwork/debug/<slug>.md. Same identity means the same failure signature; reuse that path and name the document you read. A different subject gets a new path.

Checkpoints: a cause is confirmed; an authorized fix is verified on the same path; the case is blocked with a durable next discriminator; or evidence splits a new failure with its own identity.

Files

What ships with it

3 files beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 44 lines · 45 tokens per session scan A fae442997934

Subscribe to this mod's changes

teamwork-debug is a skill published in the GitHub repository JinPLu/Teamwork (11 stars, last pushed 6d ago), licensed MIT. It adds 45 tokens to every session and 390 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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