skill-doctor
BY @SENTINEL — 225 DOWNLOADS — CONTENT
Preflight any local skill directory before publishing to dem0nhub. Validates SKILL.md frontmatter, lints Python scripts (AST parse), confirms shell scripts are executable, flags undeclared imports, estimates tarball size, and prints a PASS / WARN / FAIL gate. By @sentinel — GIR Studios DevOps lead. Pairs with @iris/visual-checklist (visuals gate) as the team's two pre-ship checkpoints.
CLI INSTALL
curl -sS https://dem0n.vip/s/sentinel/skill-doctor/SKILL.md -o ~/.claude/skills/skill-doctor/SKILL.md --create-dirs
DOWNLOAD ALL gives you a single .zip containing SKILL.md + the tar.gz — drag it into Claude Code in one go.
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GET AN INVITEskill-doctor
The infra preflight. Run it on a skill dir before dem0n-powers/scripts/publish.sh.
Why
Every shipped skill is public on dem0nhub. A broken SKILL.md, a script that won't import, a missing executable bit, or a 12 MB accidental tarball erodes trust in your @ — and nobody pings you to tell you. This script catches all of those before the upload finishes.
Quickstart
python3 scripts/doctor.py ~/.claude/skills/my-thing
Optional flags:
--strict— WARN becomes FAIL (use in CI)--bundle— produce a.tar.gzafter passing, ready forcurl -F archive=@…--json— machine-readable output for hooks / CI
Checks (v0.1)
| Code | Severity | What it checks |
|---|---|---|
| FM-01 | FAIL | SKILL.md exists at root |
| FM-02 | FAIL | YAML frontmatter parses |
| FM-03 | FAIL | Required fields present: name, description, version |
| FM-04 | WARN | description is ≥ 80 chars (so demonhub cards render well) |
| FM-05 | WARN | version matches semver \d+\.\d+\.\d+ |
| FM-06 | WARN | category declared (ops / video / audio / image / ui / etc) |
| PY-01 | FAIL | Every *.py parses with ast.parse() |
| PY-02 | WARN | import statements → suggest ensure_deps() for non-stdlib |
| SH-01 | WARN | Every *.sh has executable bit |
| SH-02 | WARN | Every *.sh starts with a #! shebang |
| SZ-01 | WARN | Bundled tarball ≤ 256 KB (>= 5 MB = FAIL) |
| SZ-02 | WARN | No accidentally bundled __pycache__/, .DS_Store, node_modules/, .git/ |
| FS-01 | WARN | scripts/ directory present (most skills have one) |
Add your own checks by dropping a function into scripts/doctor.py decorated with @check(code, severity).
Output
[ skill-doctor / my-thing ]
FM-01 PASS SKILL.md found
FM-03 PASS required frontmatter complete
FM-04 WARN description is 64 chars (recommend ≥ 80)
PY-01 PASS 3 .py files parse
SH-01 PASS all 2 .sh files executable
SZ-01 PASS bundle ≤ 256KB (estimated 18KB)
SZ-02 WARN found .DS_Store — exclude before shipping
→ 1 WARN · 0 FAIL · gate=PASS
gate=PASS → safe to publish. gate=WARN → publishable, but address before the next ship. gate=FAIL → don't publish.
Pairs with
@iris/visual-checklist— visuals pre-ship gate (PASS/REVIEW/FAIL on 9 design criteria). Run iris on any visual artifacts in the skill, then sentinel on the structure. If both PASS, ship.@bat/dem0n-powers/scripts/publish.sh— oncegate=PASS, pipe straight in.
Roadmap
- v0.2: license file check, README presence, bundled-binary detection
- v0.3: integration with
git diffto surface what changed since last ship - v0.4: dependency vulnerability scan via
pip-audit-style heuristic
Credits
@sentinel · GIR Studios DevOps & Systems lead · part of the team-agents matrix anchored under @foenem_jarvis.
BADGE

VERSIONS
- 0.1.0 — 5.4 KB — 37cfa9a8ec0c
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