mtk-agent-toolkit: Skill for Claude Code

.claude/skills/repo-health/SKILL.md

repo-health is a skill for Claude Code from moberghr/mtk-agent-toolkit. It costs 28 tokens per session (1,442 once invoked), scanned A, original, MIT.

A periodic report that checks whether a code repository has the files and guidance needed for AI-assisted development, and reviews feedback from recent merged pull requests.

In plain words
What is it for?
Use it to assess repository readiness, mine recent pull-request feedback, prepare for releases, or run a weekly or monthly check.
Why use it?
It shows missing preparation and recurring review comments in one place, so improvement work is easier to prioritize.

Skill for Claude Code

Written for Claude Code: user-invocable in frontmatter. Also seen: mentions CLAUDE.md.

This is moberghr/mtk-agent-toolkit's own configuration. It tells Claude Code how to work on mtk-agent-toolkit itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything mtk-agent-toolkit configures →

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is bash scripts/repo-health-score.sh.

Part of the mtk plugin — 45 skills, 6 agents, 7 hooks, 1 MCP server shipped together

Reuse

Borrowing it

Nothing to install: this file belongs to moberghr/mtk-agent-toolkit. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/moberghr/mtk-agent-toolkit/main/.claude/skills/repo-health/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/moberghr/mtk-agent-toolkit

Made for: Claude Code.

Or install mtk, the plugin that ships this one along with the rest of its 45 skills, 6 agents, 7 hooks, 1 MCP server.

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 repo-health

README.md
[![agentmods](https://agentmods.dev/badge/skills/moberghr/mtk-agent-toolkit/repo-health/github.svg)](https://agentmods.dev/skills/moberghr/mtk-agent-toolkit/repo-health)
Your own site
<a href="https://agentmods.dev/skills/moberghr/mtk-agent-toolkit/repo-health"><img src="https://agentmods.dev/badge/skills/moberghr/mtk-agent-toolkit/repo-health/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 repo-health

Your own site · 80×15
<a href="https://agentmods.dev/skills/moberghr/mtk-agent-toolkit/repo-health"><img src="https://agentmods.dev/badge/skills/moberghr/mtk-agent-toolkit/repo-health.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,442 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Anti-Refusal · line 62
    Skill instructs the agent to omit warnings, disclaimers, or ethical commentary. Stripping safety caveats hides risk from the user and is a common jailbreak preamble.
    Fix: Remove instructions that suppress warnings, disclaimers, or ethical commentary. Let the agent surface safety-relevant caveats to the user.
How audits are shown
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 $0.00028 $0.01442
Opus 5 $0.00014 $0.00721
Sonnet 5 $0.00006 $0.00288
Haiku 4.5 $0.00003 $0.00144

Measured 3d ago against content hash efe3562b8dc8, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

repo-health 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 3d 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.

.claude/skills/repo-health/SKILL.md · 118 lines

How it starts

The opening of the file, as written. The whole thing — 118 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Repo health

Overview

Single periodic command that combines:

  1. The 12-asset readiness scorecard (scripts/repo-health-score.sh) — bounded checklist with 🟩🟨⬜ icons and a medal (🥉🥈🥇🏆).
  2. PR review mining (scripts/pr-review-mine.sh) — repeated reviewer-feedback phrases from the last N merged PRs, suggest-only.
  3. A top-3 actionable changes summary derived from the two above.

Writes the combined report to .claude/repo-health-latest.md (always) and .claude/repo-health-latest.json (with --json). Both files are gitignored.

When To Use

  • The engineer asks: "is this repo AI-ready?", "repo health", "readiness scorecard", "what should we improve?", "mine our PRs".
  • As a periodic check (weekly / monthly retro) — no schedule enforcement, run when useful.
  • Before a major release — confirm baseline hasn't drifted.
  • After running /mtk-setup --audit — see whether tagged principles bumped asset #2.

When NOT To Use

  • For toolkit adoption analytics (who's using which MTK skills) → that's toolkit-health.
  • During implementation of a feature — this is a diagnostic, not part of the build loop.
  • When a repo is brand new with <3 merged PRs — mining will be empty and the scorecard will mostly fail. Run /mtk-setup first.

Workflow

  1. Parse flags. Accept:

    • --prs N (1..50, default 10) — number of merged PRs the mining step scans.
    • --json — also write .claude/repo-health-latest.json.
    • --no-mining — skip the PR mining step (scorecard only).
  2. Run the scorecard. Always.

    bash scripts/repo-health-score.sh
    

    Capture stdout — this is the first half of the report.

2b. Run audit-drift check on stamped docs. Best-effort, non-blocking.

for doc in CLAUDE.md .claude/references/architecture-principles.md .claude/references/conventions.md; do
  [ -f "$doc" ] || continue
  bash scripts/audit-drift-check.sh "$doc" || true   # exit 1 = drift, captured for report
done

Read the full file on GitHub · 118 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. 3d ago Changed efe3562b8dc8
  2. 12d ago First seen · 118 lines · 28 tokens per session scan A 86d184cfd5d9

Subscribe to this mod's changes

repo-health is a skill published in the GitHub repository moberghr/mtk-agent-toolkit (7 stars, last pushed 2d ago), licensed MIT. It adds 28 tokens to every session and 1,442 once invoked, about $0.0001 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 2026-08-31.

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