Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting...

API design, GraphQL schema, OpenAPI spec, versioning. ⚠️ Use for design phase. For implementation/security → backend-api.

REST implementation, validation, security headers, auth patterns. ⚠️ Use while coding. For API design/GraphQL → api-design.

The ultimate authentication and authorization skill. Implement login, signin, signup, registration, OAuth, 2FA, MFA,...

Expert CLI developer for command-line tools, terminal applications, and developer utilities. Invoke for CLI design,...

PR review, code smell detection, best practice check. ⚠️ Use while reviewing code. For deliverable check →...