Agent-Skills.md

Agent Skills: Repo Doctor

Audit any repo against the agentic-quality doctrine — score entry docs, structure, and enforcement gates, then map each finding to its fix. Triggers on: repo doctor, repo audit, agentic quality, is this repo agent-friendly, doc drift, stale AGENTS.md, monorepo structure, nested CLAUDE.md.

UncategorizedID: 0xdarkmatter/claude-mods/repo-doctor

Repository

0xdarkmatter/claude-mods
0xDarkMatterLicense: MIT
255

Install this agent skill to your local

pnpm dlx add-skill https://github.com/0xDarkMatter/claude-mods/tree/HEAD/skills/repo-doctor

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skills/repo-doctor/SKILL.md

Skill Metadata

Name
repo-doctor
Description
"Audit any repo against the agentic-quality doctrine — score entry docs, structure, and enforcement gates, then map each finding to its fix. Triggers on: repo doctor, repo audit, agentic quality, is this repo agent-friendly, doc drift, stale AGENTS.md, monorepo structure, nested CLAUDE.md."

Repo Doctor

Scores a repository against the agentic-quality doctrine — the cross-repo standard in rules/agentic-quality.md for code, comments, docs, and structure that a cold agent session can navigate. The rule says what good looks like; this skill measures a repo against it and maps each gap to its fix.

Read-only. The scorer never writes; remediation is always a separate, deliberate step.

Quick start

python scripts/repo-doctor.py                          # audit cwd, human panel
python scripts/repo-doctor.py --repo X:/path/to/repo   # audit another repo
python scripts/repo-doctor.py --json | jq .data.grade  # machine-readable
python scripts/repo-doctor.py --strict                 # CI gate: exit 10 below B

Six dimensions, 0–5 each, weighted into a letter grade:

| Dimension | Measures | Weight | |---|---|---| | entry_docs | AGENTS.md/CLAUDE.md present · Landmines section · length budget (~250 lines) · freshness in commits-since-touched | 2.0 | | docs_health | README · docs/ index when >6 files · ghost links in the index | 1.5 | | comments | contract blocks on the largest source files · section markers in files >400 lines | 2.0 | | structure | monster files (>800 warn, >1500 crit; generated exempt) · repo-root junk | 2.0 | | enforcement | tests · CI · single check entry point · invariant gate scripts | 1.5 | | doc_pairing | fraction of recent feat/fix commits touching a *.md in the same commit | 1.0 |

Full rubric — what each check means, thresholds, and the fix for every finding: references/scoring-rubric.md.

Audit workflow

  1. Run the scorer on the target repo. On cp1252/plain terminals it degrades to ASCII automatically; nothing is written.
  2. Read findings top-down — they're sorted crit → warn → info. Facts (monster-file list, pairing ratio, entry-doc age) ride in --json under .data.facts.
  3. Verify before acting. The scorer is heuristic: a flagged 900-line file may be a justified single-writer module (then it needs the guard comment + section map + gate, not a split); a "stale" AGENTS.md may describe code that genuinely didn't change. Confirm each finding against the repo before proposing work.
  4. Remediate via the owning skill (below) — repo-doctor diagnoses, it does not operate. Batch fixes into small commits: entry-doc fixes first (highest leverage), then indexes, then guard comments, then splits.
  5. Re-run to confirm the grade moved. For fleets, loop the scorer over repo roots with --json and tabulate grades.

Remediation map — who owns each fix

| Finding | Owner | |---|---| | Missing/weak AGENTS.md, multi-platform doc mess | doc-scanner (generate/consolidate), template: assets/AGENTS-template.md | | Missing docs index | Write from assets/docs-index-template.md | | Monster file needs splitting | refactor-ops (extract-module patterns, circular-dep cautions) | | Monster file is justified | Guard comment + section map + a scripts/check-* invariant gate (pattern in references/comment-doctrine.md) | | Missing/weak comments | references/comment-doctrine.md — contract blocks, WHY-only, guard comments, citations | | Decisions undocumented | adr-ops | | Stale PLAN/roadmap | project-planner | | Code-level debt (duplication, dead code, security) | techdebt — deliberately NOT scored here | | New repo from scratch | scaffold + the two templates in assets/ |

Boundary: repo-doctor audits repo-level conventions; techdebt scans code-level debt; review/code-review judge diffs. Don't blur the three.

Interpreting the two entry-doc questions

AGENTS.md vs CLAUDE.md — AGENTS.md is the single source of truth (open standard, read by all agent tooling). CLAUDE.md is legitimate only as a pointer or as Claude-specific deltas maintained in lockstep. The scorer flags apparent duplication; the decision tree and the one known-good dual-file pattern are in references/entry-docs.md.

Nested entry docs — nest only where a subsystem has its own contract (design-system package, determinism-bound engine, per-tool CLI); root file carries an ownership table linking each. Anatomy, length budgets, Landmines guidance, freshness discipline: same reference.

Monorepos

For large multi-subsystem repos the audit shifts: the root entry doc is judged as a router (invariants + ownership table), each contracted package needs its own entry doc and check, and cross-package invariants need mechanical gates, not prose. The full playbook — boundaries, navigation aids, extraction signals, parallel-agent (worktree) interplay, and the split-the-repo decision — is references/monorepo-structure.md. Run the scorer per-package as well as at root; a healthy root with a failing core package is the common monorepo blind spot.

Resources

| Resource | What it owns | |---|---| | scripts/repo-doctor.py | The scorer: six dimensions, findings, grade; --json envelope claude-mods.repo-doctor/v1; --strict CI gate | | references/scoring-rubric.md | Every check: what it measures, threshold, why, and the fix | | references/comment-doctrine.md | Contract blocks, WHY-only inline, guard comments, section markers, format-at-site, citations — with good/bad examples | | references/entry-docs.md | AGENTS.md anatomy + Landmines, AGENTS-vs-CLAUDE decision, nesting policy, freshness discipline | | references/monorepo-structure.md | Structuring very large monorepos for agentic development | | assets/AGENTS-template.md | Entry-doc skeleton with mandatory Landmines section | | assets/docs-index-template.md | docs/00_INDEX.md skeleton with the two anti-rot rules baked in |