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skill-quality

v0.24.6

Skill-authoring QA tooling: a static contract checker that runs twenty-six deterministic checks over a Claude Code skill (frontmatter, explicit invocation mode, description/verb-contract polarity, per-skill listing-entry cap, trigger-keyword preservation, line caps, broken internal refs, markdownlint, gotchas surface, evals presence, precompute opportunity, completion-criteria signal, injection shell-declaration, fresh-eyes declaration conformance), a shared skill-listing budget reporter across a set of skills, and a bundled evals.json schema plus a deterministic eval-quality lint (duplicate case identities, missing fixtures, empty or vague grading criteria, set-coverage warnings). Runs against any repo's skills directory via the convention-resolution ladder, with no baked layout.

Claude Code2 Skills

By Melodic SoftwareLicense: MIT20 GitHub starsUpdated 57 minutes ago

Directory evidence

Runtimes
Claude Code
Parsed components
2 skill or MCP entries
Source updated
Sep 28, 2026
Manifest status
Canonical path parsed

The directory validates manifest shape and source location. It does not execute the plugin or provide a security endorsement. Review the indexing methodology →

Install skill-quality for Claude Code

Installs for the current user
claude plugin marketplace add IchenDEV/agent-plugin-mkt
claude plugin marketplace update agent-plugin-marketplace
claude plugin install skill-quality@agent-plugin-marketplace

Paste and run these commands in a terminal with Claude Code. They add and refresh the PluginsMP catalog, then install this plugin.

The installer fetches third-party code from the source repository shown on this page. This directory validates manifest structure and source location, but does not perform a security audit; review the manifest, components, and source before installing.

Get the source manually
git clone https://github.com/melodic-software/claude-code-plugins

Clone the source repository, then follow its setup instructions to add the plugin to a compatible client. The plugin root is plugins/skill-quality/.

Plugin files

plugins/skill-quality/
├── .claude-plugin/plugin.json
├── skills/check/SKILL.md
└── skills/setup/SKILL.md

Included Skills2

checkskills/check/SKILL.md

Skill-authoring QA for Claude Code skills. Use when: 'check this skill', 'skill quality', 'lint my skill', 'is this SKILL.md valid', 'validate skill frontmatter', 'check skill before publishing', 'validate evals.json', 'shared listing budget', 'is the skill listing overflowing', or before shipping a skill or plugin. Actions: `check [<skill-name>|<root> ...]` runs a twenty-six-check static contract gate over one skill, or over every skill under each given root, and reports PASS/FAIL with warnings; `validate-evals [<skill-name>]` checks a skill's evals/evals.json against the bundled schema, then runs a deterministic eval-quality lint; `listing-budget [<root> ...]` reports the SHARED aggregate listing-budget estimate across every listing-eligible skill under the resolved root(s). Advisory only, never blocks. Not for: writing new skills, or running model-graded evals.

setupskills/setup/SKILL.md

Verify where this repository's skills live for skill-quality, the resolved skills_root, and explain how to change the personal skills_root option through Claude Code. Use when: 'set up skill-quality', 'configure skill-quality', or the checker reports a missing skills directory. Check-only: verifies, reports, and prints reconfiguration guidance; there is nothing setup may write here. Re-runnable and safe.

Plugin manifests1

plugins/skill-quality/.claude-plugin/plugin.json
{
  "$schema": "https://json.schemastore.org/claude-code-plugin-manifest.json",
  "name": "skill-quality",
  "version": "0.24.6",
  "description": "Skill-authoring QA tooling: a static contract checker that runs twenty-six deterministic checks over a Claude Code skill (frontmatter, explicit invocation mode, description/verb-contract polarity, per-skill listing-entry cap, trigger-keyword preservation, line caps, broken internal refs, markdownlint, gotchas surface, evals presence, precompute opportunity, completion-criteria signal, injection shell-declaration, fresh-eyes declaration conformance), a shared skill-listing budget reporter across a set of skills, and a bundled evals.json schema plus a deterministic eval-quality lint (duplicate case identities, missing fixtures, empty or vague grading criteria, set-coverage warnings). Runs against any repo's skills directory via the convention-resolution ladder, with no baked layout.",
  "author": {
    "name": "Melodic Software",
    "email": "[email protected]"
  },
  "license": "MIT",
  "keywords": [
    "skill",
    "authoring",
    "quality",
    "contract",
    "lint",
    "evals",
    "audit"
  ],
  "userConfig": {
    "skills_root": {
      "type": "directory",
      "title": "Skills directory",
      "description": "Directory holding your skills (each a subdirectory with a SKILL.md). When unset, resolves to .claude/skills under the project root. Set this only when your skills live elsewhere."
    }
  }
}

For maintainers

If you maintain this plugin, link to this source-backed listing from your README so users can review its manifest and indexed components.

[skill-quality on Agent Plugins Marketplace](https://pluginsmp.com/plugins/skill-quality)