spectral
Use when configuring Spectral for API linting, creating custom rulesets, and validating OpenAPI or AsyncAPI specifications
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Installation for Agentic Skill
View all platforms →skilz install mcclowes/vague/spectralskilz install mcclowes/vague/spectral --agent opencodeskilz install mcclowes/vague/spectral --agent codexskilz install mcclowes/vague/spectral --agent geminiFirst time? Install Skilz: pip install skilz
Works with 22+ AI coding assistants
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Extract and copy to ~/.claude/skills/ then restart Claude Desktop
git clone https://github.com/mcclowes/vaguecp -r vague/.claude/skills/spectral ~/.claude/skills/Need detailed installation help? Check our platform-specific guides:
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Agentic Skill Details
- Repository
- vague
- Stars
- 1
- Type
- Technical
- Meta-Domain
- web api
- Primary Domain
- api
- Market Score
- 14
Agent Skill Grade
A Score: 95/100 Click to see breakdown
Score Breakdown
Areas to Improve
- Missing TOC in long references
- Missing TOC in long references
- Lacks explicit input/output pairs
Recommendations
- Add trigger phrases to description for discoverability
- Add table of contents for files over 100 lines
Graded: 2026-01-24
Developer Feedback
I've been diving into API linting tools lately, and I'm curious how you decided on the architectural approach for Spectral—the way it handles rule composition feels like it solves a real pain point in the OpenAPI validation space.
Links:
The TL;DR
You're at 95/100, solidly in A-territory. This is based on Anthropic's best practices for Claude skills. Your strongest area is Writing Style (10/10—the documentation is genuinely clear and dense without being fluff), but you've also nailed Progressive Disclosure Architecture (28/30). The weakest spot is Spec Compliance (12/15), mostly around trigger phrase coverage, but that's a quick fix.
What's Working Well
- Rock-solid structure: The SKILL.md overview with all heavy lifting pushed to references/ is textbook PDA. References for JSONPath, custom functions, and built-in functions sit exactly one level deep—no navigation chaos.
- Token efficiency is genuinely impressive: Every sentence earns its place. No marketing fluff, no "this is great because," just pure information density. That matters a lot for agent prompts.
- Triggers are targeted: "API linting," "custom rulesets," "validating"—these activate appropriately when someone needs to validate OpenAPI specs or set up custom validation rules.
The Big One: Missing Trigger Phrases
You're leaving discoverability on the table here. Your description pulls in 1-2 trigger phrases, but for a tool as versatile as Spectral, you should have more coverage. Right now someone looking for "AsyncAPI validation" or "OpenAPI linting" might not find you.
Fix: Expand the description triggers to include AsyncAPI, OpenAPI, ruleset validation, API specification, and linting rules. This isn't just vanity—it's about meeting develo...
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