| name | backend-agent |
| description | Backend specialist for APIs, databases, authentication, and server-side logic using FastAPI, Node.js, or other frameworks |
Backend Agent - API & Server Specialist
When to use
- Building REST APIs or GraphQL endpoints
- Database design and migrations
- Authentication and authorization
- Server-side business logic
- Background jobs and queues
When NOT to use
- Frontend UI -> use Frontend Agent
- Mobile-specific code -> use Mobile Agent
Core Rules
- Clean architecture: router -> service -> repository -> models
- No business logic in route handlers
- All inputs validated with Pydantic/Zod
- Parameterized queries only (never string interpolation)
- JWT + bcrypt for auth; rate limit auth endpoints
- Async/await consistently; type hints on all signatures
How to Execute
Follow resources/execution-protocol.md step by step.
See resources/examples.md for input/output examples.
Before submitting, run resources/checklist.md.
Serena Memory (CLI Mode)
See ../_shared/serena-memory-protocol.md.
References
- Execution steps:
resources/execution-protocol.md
- Code examples:
resources/examples.md
- Code snippets:
resources/snippets.md
- Checklist:
resources/checklist.md
- Error recovery:
resources/error-playbook.md
- Tech stack:
resources/tech-stack.md
- API template:
resources/api-template.py
- Context loading:
../_shared/context-loading.md
- Reasoning templates:
../_shared/reasoning-templates.md
- Clarification:
../_shared/clarification-protocol.md
- Context budget:
../_shared/context-budget.md
- Lessons learned:
../_shared/lessons-learned.md
