callstackincubator/validate-skills
.claude/skills/validate-skills/SKILL.md
Validates skills in this repo against agentskills.io spec and Claude Code best practices. Use via /validate-skills command.
$ install --global
skillsauthnpx skillsauth add callstackincubator/agent-skills validate-skillsInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
Security Scan Results
4 of 9 scanners reported clean
Some scanners were skipped, did not run, or reported a non-clean status. Review each row below.
4
Scanners Passed
9
Scanners in report
Clean
TrivyContainer and dependency vulnerability scanner
95%
Clean
SemgrepStatic code analysis for vulnerabilities
95%
Clean
mcp-scan (Snyk)Model Context Protocol security validation
95%
Skipped
Snyk (dep)Open source security scanning
50%
Skipped
Socket.devSupply chain security analysis
50%
Skipped
CrowdStrikeAdvanced threat intelligence
50%
Skipped
OSV-ScannerOpen Source Vulnerability database check
50%
Skipped
OWASP Dep-Check
50%
Last scanned: Mar 19, 2026, 7:45 PM302.6s1 file scanned
SKILL.md
- name:
- validate-skills
- description:
- Validates skills in this repo against agentskills.io spec and Claude Code best practices. Use via /validate-skills command.
- license:
- MIT
- author:
- Callstack
- tags:
- validation, linting, skill-authoring
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.mdand 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
- agentskills.io spec
- Claude Code best practices
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