agentskills
Agent Skills Open Standard reference (agentskills.io). Use when creating portable skills for Claude Code, Cursor, Gemini CLI, OpenAI Codex, VS Code, Roo Code, and 20+ compatible agents. Covers frontmatter schema, naming rules, directory structure, progressive disclosure, validation, and authoring. Load before creating cross-agent skills.
99
Quality
100%
Does it follow best practices?
Impact
Pending
No eval scenarios have been run
Passed
No known issues
Quality
Discovery
100%Based on the skill's description, can an agent find and select it at the right time? Clear, specific descriptions lead to better discovery.
This is an excellent skill description that clearly defines its purpose (Agent Skills Open Standard reference), lists specific capabilities (schema, naming, structure, validation, authoring), and provides explicit trigger conditions with natural keywords including specific agent names. The description is concise yet comprehensive, using proper third-person voice throughout.
| Dimension | Reasoning | Score |
|---|---|---|
Specificity | Lists multiple specific concrete actions: 'frontmatter schema, naming rules, directory structure, progressive disclosure, validation, and authoring' - these are concrete, actionable capabilities. | 3 / 3 |
Completeness | Clearly answers both what ('frontmatter schema, naming rules, directory structure, progressive disclosure, validation, and authoring') AND when ('Use when creating portable skills for Claude Code, Cursor, Gemini CLI...' and 'Load before creating cross-agent skills'). | 3 / 3 |
Trigger Term Quality | Excellent coverage of natural terms users would say: 'portable skills', 'Claude Code', 'Cursor', 'Gemini CLI', 'OpenAI Codex', 'VS Code', 'Roo Code', 'cross-agent skills', and the domain reference 'agentskills.io'. | 3 / 3 |
Distinctiveness Conflict Risk | Highly distinctive niche - specifically about the Agent Skills Open Standard and cross-agent skill creation. The explicit mention of 'agentskills.io' and the list of specific compatible agents creates a clear, unique trigger profile unlikely to conflict with other skills. | 3 / 3 |
Total | 12 / 12 Passed |
Implementation
100%Reviews the quality of instructions and guidance provided to agents. Good implementation is clear, handles edge cases, and produces reliable results.
This is an exemplary skill that serves as a comprehensive reference for the Agent Skills Open Standard. It demonstrates excellent token efficiency while providing complete, actionable guidance including executable code, clear tables, and well-organized progressive disclosure. The skill practices what it preaches about skill authoring.
| Dimension | Reasoning | Score |
|---|---|---|
Conciseness | The content is lean and efficient, avoiding explanations of concepts Claude already knows. Every section provides specific, actionable information without padding or unnecessary context. | 3 / 3 |
Actionability | Provides fully executable code examples (Python API, bash commands), concrete YAML frontmatter templates, and copy-paste ready validation commands. The field reference table gives specific constraints. | 3 / 3 |
Workflow Clarity | Clear sequential guidance for skill creation with explicit validation steps (skilllint, skills-ref validate). The progressive disclosure patterns show clear workflows with numbered steps and conditional branching. | 3 / 3 |
Progressive Disclosure | Excellent structure with a clear overview, well-signaled one-level-deep references to specification.md, best-practices.md, and integration.md. Content is appropriately split between main file and references directory. | 3 / 3 |
Total | 12 / 12 Passed |
Validation
90%Checks the skill against the spec for correct structure and formatting. All validation checks must pass before discovery and implementation can be scored.
Validation — 10 / 11 Passed
Validation for skill structure
| Criteria | Description | Result |
|---|---|---|
frontmatter_unknown_keys | Unknown frontmatter key(s) found; consider removing or moving to metadata | Warning |
Total | 10 / 11 Passed | |
- Repository
- Jamie-BitFlight/claude_skills
- Commit
fd243f9
- Reviewed
Table of Contents
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If you maintain this skill, you can claim it as your own. Once claimed, you can manage eval scenarios, bundle related skills, attach documentation or rules, and ensure cross-agent compatibility.