| name | swagger-gen |
|---|---|
| description | Generate OpenAPI specs from Express routes. Use when documenting APIs. |
Your API has no documentation. This reads your Express routes and generates a complete OpenAPI 3.0 spec.
One command. Zero config. Just works.
npx ai-swagger ./src/routes/- Reads your Express route files
- Generates OpenAPI 3.0 specification
- Documents request/response shapes
- Ready for Swagger UI
# Generate from routes
npx ai-swagger ./src/routes/
# Single file
npx ai-swagger ./src/routes/users.ts -o docs/api.yaml- Keep it updated - regenerate when routes change
- Add descriptions - explain what endpoints do
- Include examples - show sample requests
- Document errors - not just happy paths
- Creating API documentation
- Setting up Swagger UI
- Onboarding API consumers
- API-first design
This is one of 110+ free developer tools built by LXGIC Studios. No paywalls, no sign-ups, no API keys on free tiers. Just tools that work.
Find more:
- GitHub: https://github.com/LXGIC-Studios
- Twitter: https://x.com/lxgicstudios
- Substack: https://lxgicstudios.substack.com
- Website: https://lxgic.dev
No install needed. Just run with npx. Node.js 18+ recommended. Needs OPENAI_API_KEY environment variable.
npx ai-swagger --helpParses your Express route definitions to extract endpoints, methods, and handler code. Then generates OpenAPI spec with proper types and descriptions.
MIT. Free forever. Use it however you want.