James Castillo

A thorough review pass tuned for Python backends — correctness first, style last. Built for solo developers working in Python backends, tuned for Claude. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

A safe refactor plan for browser extensions: characterization tests, seams, and steps that keep CI green. Built for solo developers working in browser extensions, tuned for Claude. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

A structured way to make and document architecture calls for serverless functions. Built for technical founders working in serverless functions, tuned for Claude. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

Meaningful test coverage for GraphQL services — behavior tests, edge cases and fixtures that stay maintainable. Built for solo developers working in GraphQL services, tuned for Claude. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.

A systematic debugging workflow for machine-learning services that finds root causes instead of symptoms. Built for platform teams working in machine-learning services, tuned for Claude. Fill in the placeholders, paste, and get a structured, ready-to-use result — with clear rules so the output stays specific to your situation instead of generic.