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Found 4,064 Skills
Node.js backend development with TypeScript, Express/Fastify servers, routing, middleware, and database integration
Guide for experimenting with AI configurations. Helps you test different models, prompts, and parameters to find what works best through systematic experimentation.
Creates Rails models using TDD approach - spec first, then migration, then model. Use when creating new models, adding model validations, defining associations, or setting up database tables.
Captures before/after screenshots of web pages for visual comparison in PRs. Use when user says "take before and after", "screenshot comparison", "visual diff", "PR screenshots", or after making visual UI changes.
Scaffolds evaluation suites for the Axiom AI SDK. Generates eval files, scorers, flag schemas, and config from natural-language descriptions. Use when creating evals, writing scorers, setting up flag schemas, or configuring axiom.config.ts.
Modern, powerful structured logging for Python using structlog. Use when adding or improving logging in Python projects, configuring structlog for dev/production, working with contextvars for request-scoped logging, integrating structlog with stdlib logging, or writing tests for logging behavior.
Systematic debugging with hypothesis-driven investigation. Use when diagnosing bugs, errors, or unexpected behavior. Phases: Reproduce, Hypothesize, Investigate, Fix, Verify, Regression.
Grill the user relentlessly about a plan, decision, or idea via structured multiple-choice questions, recording decisions and rejection reasons as a side effect of choosing. Use when the user wants to stress-test their thinking, or uses any 'grill' trigger phrases.
AddressSanitizer detects memory errors during fuzzing. Use when fuzzing C/C++ code to find buffer overflows and use-after-free bugs.
Test for user enumeration vulnerabilities through various authentication endpoints.
Expert in understanding user behaviors, needs, and motivations through qualitative and quantitative research methods to drive user-centered design.
Explains SEO for web applications including crawling, indexing, Core Web Vitals, structured data, and SEO challenges with SPAs. Use when optimizing for search engines, discussing SEO implications of architecture decisions, or implementing SEO best practices.