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Agent skill

Artifact Contract Auditor

by WILLOSCAR in WILLOSCAR/research-units-pipeline-skills

Audit one research Workspace for declared Unit outputs and Pipeline target Artifacts, writing output/CONTRACTREPORT.md; use for mid-Run coverage snapshots or final delivery completeness, not deep…

No licenceAuto-check passed

Install Artifact Contract Auditor

skills CLI
$ npx skills add WILLOSCAR/research-units-pipeline-skills --skill artifact-contract-auditor -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install WILLOSCAR/research-units-pipeline-skills artifact-contract-auditor --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/WILLOSCAR/research-units-pipeline-skills.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.codex/skills/artifact-contract-auditor .claude/skills/artifact-contract-auditor && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
artifact-contract-auditor
GitHub stars
513
Token cost
~918 tokens
SKILL.md length
413 words
Files
2 (incl. scripts)
Skills in repo
107
Repo updated
First seen
Licence
None found

At a glance

Audit one research Workspace for declared Unit outputs and Pipeline target Artifacts, writing output/CONTRACTREPORT.md; use for mid-Run coverage snapshots or final delivery completeness, not deep…

  • Works in 5 steps: Resolve the active contracts → Check completed Unit outputs → Check final Pipeline targets when… → …
  • Mid-Run coverage snapshots
  • SKILL.md covers Inputs, Outputs, Steps and Context Pointers, plus 2 more sections
  • Runs Python scripts from its folder; calls uv

What it does

Artifact Contract Auditor is an agent skill from WILLOSCAR/research-units-pipeline-skills. Audit one research Workspace for declared Unit outputs and Pipeline target Artifacts, writing output/CONTRACTREPORT.md; use for mid-Run coverage snapshots or final delivery completeness, not deep provenance integrity.

Its SKILL.md is about 920 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including scripts (for example `scripts/run.py`).

The repository describes itself as: Research pipelines as semantic execution units: each skill declares inputs/outputs, acceptance criteria, and guardrails. Evidence-first methodology prevents hollow writing…

When your agent uses it

  • Mid-Run coverage snapshots
  • Final delivery completeness
  • Not deep provenance integrity

Example prompts

  • “/artifact-contract-auditor”

Requirements

  • Python 3

Workflow steps

5 steps, taken from the step headings in SKILL.md.

  1. Resolve the active contracts
  2. Check completed Unit outputs
  3. Check final Pipeline targets when applicable
  4. Write the report
  5. Route the next action

What it can do on your machine

Read from SKILL.md and the folder at commit c92912a. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Ships 1 file in scripts/ (Python), which the agent can run.

    Shell commands in SKILL.md call:

    • uv

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md. Its commands use uv, which can reach the network depending on how they are called.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Artifact Contract Auditor loads about 918 tokens when it runs. Until then it costs about 62 tokens; SKILL.md has 413 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~62
When it runs · the whole SKILL.md, loaded when a task matches
~918

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); the scripts in this folder are not scanned.

SKILL.md

Without a licence we can't republish the file, so here is its outline and opening line. It has 413 words (~918 tokens).

“This Skill measures coverage: whether files promised by Units and the locked Pipeline exist at the point they are required. It does not replace the deeper Attempt, Manifest, Artifact-hash, and ledger checks in pipeline.py audit.”

— opening of SKILL.md by WILLOSCAR
name
artifact-contract-auditor

Read the full SKILL.md on GitHub

Files

SKILL.md and 1 other file (scripts) in .codex/skills/artifact-contract-auditor of WILLOSCAR/research-units-pipeline-skills.

  • SKILL.md
  • scripts/run.py

Open the folder on GitHubat commit c92912a

Compare with similar skills

Artifact Contract Auditor next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Artifact Contract Auditor compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Artifact Contract Auditor this skillWILLOSCAR/research-units-pipeline-skills513—~918Automated safety check: PassNone
Artifacts Buildernexu-io/open-design100k—~347Automated safety check: PassApache-2.0
Unit Teststhedaviddias/Front-End-Checklist74k—~382Automated safety check: PassMIT
Web Artifacts Builderanthropics/skills180k40 repos~769Automated safety check: PassApache-2.0
Warp Rust Unit Testswarpdotdev/warp65k1 repos~3.4kAutomated safety check: PassAGPL-3.0
Web Artifacts Buildernexu-io/open-design100k—~337Automated safety check: PassApache-2.0

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Questions about Artifact Contract Auditor

What does Artifact Contract Auditor do?

Audit one research Workspace for declared Unit outputs and Pipeline target Artifacts, writing output/CONTRACTREPORT.md; use for mid-Run coverage snapshots or final delivery completeness, not deep…. Artifact Contract Auditor is an agent skill from WILLOSCAR/research-units-pipeline-skills.md; use for mid-Run coverage snapshots or final delivery completeness, not deep provenance integrity.

When should I use Artifact Contract Auditor?

Artifact Contract Auditor fits situations like: mid-Run coverage snapshots; final delivery completeness; not deep provenance integrity.

How do I install Artifact Contract Auditor in Claude Code?

Run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill artifact-contract-auditor -a claude-code`. Or copy the skill folder (.codex/skills/artifact-contract-auditor in WILLOSCAR/research-units-pipeline-skills) into .claude/skills/artifact-contract-auditor in your project. Claude Code loads it when a task matches its description.

How do I install Artifact Contract Auditor in Codex?

Run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill artifact-contract-auditor -a codex`. Or copy the skill folder (.codex/skills/artifact-contract-auditor in WILLOSCAR/research-units-pipeline-skills) into .agents/skills/artifact-contract-auditor in your project. Codex loads it when a task matches its description.

Can I use Artifact Contract Auditor in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add WILLOSCAR/research-units-pipeline-skills --skill artifact-contract-auditor -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/artifact-contract-auditor, .gemini/skills/artifact-contract-auditor, .github/skills/artifact-contract-auditor and .opencode/skills/artifact-contract-auditor in your project.

What does Artifact Contract Auditor need to run?

Going by SKILL.md and its folder, Artifact Contract Auditor needs Python for the scripts in its folder and the command-line tools its instructions call (uv). Our summary lists: Python 3.

Does Artifact Contract Auditor access the network?

SKILL.md contains no URLs. Its commands use uv, which can reach the network depending on how they are called. This is read from the text; nothing was executed.

Is Artifact Contract Auditor safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Artifact Contract Auditor use?

No licence was found for Artifact Contract Auditor or its repository. Without one, default copyright applies: ask the author before reusing or redistributing it.

How many tokens does Artifact Contract Auditor use?

About 918 tokens (SKILL.md is roughly 3.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Artifact Contract Auditor?

Skills that share tags, products or a category with Artifact Contract Auditor: Artifacts Builder (nexu-io/open-design, 100k stars), Unit Tests (thedaviddias/Front-End-Checklist, 74k stars), Web Artifacts Builder (anthropics/skills, 180k stars) and Warp Rust Unit Tests (warpdotdev/warp, 65k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Artifact Contract Auditor?

WILLOSCAR (a GitHub user) maintains it in WILLOSCAR/research-units-pipeline-skills, which has 513 GitHub stars. The repository holds 107 skills in this directory. The repository was last updated on October 5, 2026.

Source: WILLOSCAR/research-units-pipeline-skills on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.