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Found 3,138 Skills
Audit Agent Skills for what no validator can decide: whether a description will ever fire, whether the instructions are followable, whether the body earns its token cost, whether `compatibility` matches what the body requires, and whether mutations are gated. Runs the repo's structural validators first, scores five judgment categories with cited evidence, and returns a PASS / FAIL verdict.
Work through a design question as a dialogue rather than a lecture — investigate the ground, take a position on it, lay out the options with a pick among them, and push back on what will not hold up. Works one part of the design at a time. Reads and verifies; writes nothing.
Refine AI-generated code through specific feedback—point out errors, identify gaps, show desired changes, reference style guides
Parses a BCP 47 language tag into language, extlang, script, region, variant, extension and private-use subtags, validates each against the IANA registry, and returns the canonical form. Called as GET /v1/lang/bcp47, it takes tag and returns valid, canonical, language, errors. Locale strings arrive from users, feeds and file names, and a wrong one silently mis-routes content rather than failing. Checking a tag properly means holding a 730KB registry and implementing the RFC 5646 grammar; almost nobody does either, so tags like en-UK and zh-CN-Hans ship broken. Reading this schema and dry-running the call are free and need no wallet; a real call costs $0.003, paid in USDC on Base over x402.
Evaluates a flow or screen against Jakob Nielsen's 10 usability heuristics (visibility of system status, match with the real world, user control, consistency, error prevention, recognition over recall, flexibility, minimalist design, error recovery, help and documentation) and reports concrete violations. Use for a fast, structured usability pass independent of visual polish.
Pre-production code review against a user-chosen healthy point. Use whenever a user wants to review a branch before shipping, asks if code is ready to merge, wants blockers identified before a PR lands.