Production FastAPI Template: Rules

These rules define where code lives and how it executes in a unified FastAPI + RAG + Agentic AI backend. Apply them whenever you generate or modify code in a project built from this template.

Companion references. Read the relevant file before writing code:

File	Read before writing…	Summarized in
ASYNC_EXECUTION.md	Any route, service, client, agent tool, worker or background job	Section 5
PYDANTIC_STANDARDS.md	Any schema, settings class, serialization, LLM call with structured output, citation check, agent plan or tool argument model	Section 6
API_CONVENTIONS.md	Any dependency, route signature, auth/permission check, OpenAPI metadata, DB model or query, migration, API test or lint setup	Section 7
GUARDRAILS.md	Any user-facing LLM call, RAG answer, ingestion of untrusted documents, agent tool execution, gateway target or content-safety check	Section 8
AI_EVALUATION.md	Any evaluation contract, metric, dataset, judge, runner, report or threshold; any new RAG stage, agent, tool or conversation feature that needs quality coverage	Section 9
API_SECURITY.md	Any authentication, token, permission, tenant or ownership check; input/upload/outbound-URL handling; response headers, CORS, errors; rate limits; audit events; ECS/IAM/secrets; CI security; security tests	Section 10
AGENT_SECURITY.md	Any agent, tool, tool registry entry, approval flow, memory write, MCP connector or LLM-output sink	Section 10

Status labels:

production-fast-api-template

Production FastAPI Template: Rules