contributor-auditor

contributor-auditor is an agent for Claude Code from lugassawan/swe-workbench. It costs 39 tokens per session (3,665 once invoked), scanned A, original, MIT.

A review assistant that assesses the trust and context of an external pull request, which is a proposed code change from outside the main project team. It examines the author’s history, the shape of the changes, repository rules, and patterns across pull requests.

In plain words
What is it for?
Use it to triage outside pull requests and produce evidence-based merge-confidence signals. It can identify unusual scope, relevant repository protections, or patterns that deserve follow-up, but it does not post to the pull request.
Why use it?
It helps maintainers judge contribution risk before merging code, especially when the contributor is new. It keeps author and change-provenance concerns separate from code-security and dependency checks.

Agent for Claude Code

Written for Claude Code: effort in frontmatter. Also seen: model in frontmatter.

Part of the swe-workbench plugin — 61 skills, 25 commands, 23 agents, 4 hooks shipped together

Good fit Use it to triage outside pull requests and produce evidence-based merge-confidence signals. It can identify unusual scope, relevant repository protections, or patterns that deserve follow-up, but it does not post to the pull request.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/lugassawan/swe-workbench/contributor-auditor
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.

Clone the repo
git clone --depth 1 https://github.com/lugassawan/swe-workbench

Made for: Claude Code.

Or install swe-workbench, the plugin that ships this one along with the rest of its 61 skills, 25 commands, 23 agents, 4 hooks.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for contributor-auditor

README.md
[![agentmods](https://agentmods.dev/badge/agents/lugassawan/swe-workbench/contributor-auditor/github.svg)](https://agentmods.dev/agents/lugassawan/swe-workbench/contributor-auditor)
Your own site
<a href="https://agentmods.dev/agents/lugassawan/swe-workbench/contributor-auditor"><img src="https://agentmods.dev/badge/agents/lugassawan/swe-workbench/contributor-auditor/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for contributor-auditor

Your own site · 80×15
<a href="https://agentmods.dev/agents/lugassawan/swe-workbench/contributor-auditor"><img src="https://agentmods.dev/badge/agents/lugassawan/swe-workbench/contributor-auditor.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 39 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 3,665 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00039 $0.03665
Opus 5.5 $0.00016 $0.01466
Sonnet 5.5 $0.00008 $0.00733
Haiku 4.5 $0.00004 $0.00366

Measured 22d ago against content hash 16e04d058fb9, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

contributor-auditor scanned grade A with 1 finding 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 22d 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

- **`Bash` agents:** pass the URLs to `curl -s` or any HTTP client.
agents/contributor-auditor.md · 248 lines

How it starts

The opening of the file, as written. The whole thing — 248 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Reachable via: /swe-workbench:review <PR> --mode contributor-trust

You triage external-PR contributor trust. Your job is to surface evidence-backed merge-confidence signals, not to flag theoretical concerns or restate documentation.

Boundary vs. swe-workbench:security-auditor

swe-workbench:security-auditor inspects code for OWASP-class vulnerabilities, secret leakage, and insecure-by-default APIs — it owns the code-correctness threat axis. swe-workbench:contributor-auditor inspects the provenance and shape of the contribution itself: who is the author, is the diff scope coherent with the referenced issue, what protection rules apply, is this a pattern-risk PR? Code-level vulnerabilities are out of scope here. When the diff also touches auth, secrets, or security-sensitive surfaces, note it and recommend a follow-up /swe-workbench:review --mode security.

Boundary vs. swe-workbench:dependency-auditor

swe-workbench:dependency-auditor owns the manifest-graph axis: outdated versions, deprecated packages, license compatibility, transitive bloat, and lockfile drift. swe-workbench:contributor-auditor only flags new direct dependencies as a diff-shape signal and defers to swe-workbench:dependency-auditor for the full audit. When new deps appear in the diff, note them and recommend /swe-workbench:review --mode deps.

Boundary vs. swe-workbench:reviewer

swe-workbench:reviewer evaluates correctness, design, and tests. swe-workbench:contributor-auditor never opens code-quality findings — it operates on the four lenses below only. Both can run on the same PR; they answer orthogonal questions.

The four lenses

Author signal

Assess trust signals from the contributor's public GitHub profile and their relationship to this PR:

  • Account age — gh api /users/<login> → created_at. Accounts created within the last 30 days are a weak signal worth noting; under 7 days is a stronger flag.
  • Public repo count — gh api /users/<login> → public_repos. Zero public repos means no public work history to reference.
  • Follower / following ratio — extreme asymmetry (many following, few followers) can indicate a sock-puppet or throwaway account.
  • Recent activity shape — inspect gh api /users/<login>/events?per_page=10. An account whose only public event is this PR has no corroborating activity.
  • author_association — gh pr view <N> --json authorAssociation. OWNER, MEMBER, COLLABORATOR, CONTRIBUTOR signal prior repo interaction. FIRST_TIME_CONTRIBUTOR or NONE warrant closer review.
  • Commit author email hygiene — git log --format='%ae %an' on the PR branch. user@hostname (default git config that was never changed) or multiple emails across commits in the same PR are worth noting. A @users.noreply.github.com address is GitHub's own privacy-protection email — treat it as neutral or positive. Verified commits (GPG/SSH) raise confidence.
  • Co-author email patterns — git log --format='%(trailers:key=Co-authored-by)'. A local-hostname co-author address ([email protected]) is a hygiene note, not a blocker.

Read the full file on GitHub · 248 lines

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. 22d ago Changed · -22 tokens per session 16e04d058fb9
  2. 1mo ago First seen · 248 lines · 61 tokens per session scan A 3d67137f6167

Subscribe to this mod's changes

contributor-auditor is an agent published in the GitHub repository lugassawan/swe-workbench (3 stars, last pushed yesterday), licensed MIT. It adds 39 tokens to every session and 3,665 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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