cyberneticlibrary

Design REST APIs and database systems

senior-backendskillsetup L317,464
alirezarezvani/claude-skills
What it does

Generate API routes, migrations, and load tests from OpenAPI specs or schemas

Best for

Shipping production APIs with safety gates (migration dry-run, load test validation) included.

Inputs
  • · OpenAPI YAML/JSON or database schema
  • · load test config (concurrency, duration)
Outputs
  • · route handlers with validation
  • · migration files with dry-run
  • · percentile latency reports
Requires
  • · Express/Fastify
  • · PostgreSQL
  • · Python (scripts)
Preconditions

OpenAPI spec or schema file, database connection, test runner

Failure modes
  • · Generated code has N+1 query patterns
  • · Migration missing rollback script
Trust signals
  • · OpenAPI validation before code gen
  • · Migration dry-run support
  • · P50/P95/P99 latency metrics