Browse skills

Generate complete mock API servers from OpenAPI/Swagger specs, example request/response pairs, or natural language descriptions. Produces runnable mock server code (Node.js Express or Python Flask) with realistic fake data, configurable latency, error simulation, request validation, and stateful CRUD operations. Perfect for frontend development, integration testing, and CI pipelines when the real API isn't ready.

Build, explain, test, and debug regular expressions for any language. Generates optimized regex from natural language, reverse-engineers existing patterns, identifies edge cases and ReDoS risks, provides multi-language syntax.