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validate-skills

Name: validate-skills
Author: callstackincubator

by callstackincubator1.2k38GitHub

Validates skills in this repo against agentskills.io spec and Claude Code best practices. Use via /validate-skills command.

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Development

Compatible Agents

Claude Code

~/.claude/skills/

Codex CLI

~/.codex/skills/

Gemini CLI

~/.gemini/skills/

OpenCode

~/.opencode/skills/

OpenClaw

~/.openclaw/skills/

GitHub Copilot

~/.copilot/skills/

Cursor

~/.cursor/skills/

Windsurf

~/.codeium/windsurf/skills/

Cline

~/.cline/skills/

Roo Code

~/.roo/skills/

Kiro

~/.kiro/skills/

Junie

~/.junie/skills/

Augment Code

~/.augment/skills/

Warp

~/.warp/skills/

Goose

~/.config/goose/skills/

SKILL.md

Validate Skills

Validate all skills in skills/ against the agentskills.io spec and Claude Code best practices.

Validation Checklist

For each skill directory, verify:

Spec Compliance (agentskills.io)

Check	Rule
`name` format	1-64 chars, lowercase alphanumeric + hyphens, no leading/trailing/consecutive hyphens
`name` matches directory	Directory name must equal `name` field
`description` length	1-1024 characters, non-empty
Optional fields valid	`license`, `metadata`, `compatibility` if present

Best Practices (Claude Code)

Check	Rule
Description format	Third person, describes what + when to use
Body length	Under 500 lines
References one-level deep	No nested reference chains
Links are markdown	Use `[text](path)` not bare filenames
No redundancy	Don't repeat description in body
Concise	Only add context Claude doesn't already have

How to Run

Find all skill directories:
```
fd -t d -d 1 . skills/
```
For each skill, read SKILL.md and check against the rules above

Report issues in this format:

## Validation Results

### skills/example-skill
- [PASS] name format valid
- [FAIL] name "example" doesn't match directory "example-skill"
- [PASS] description length OK (156 chars)

References

Source: https://github.com/callstackincubator/agent-skills#.claude-skills-validate-skills

Content curated from original sources, copyright belongs to authors

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WORKS WITH

Claude

Codex

Gemini