- [**Raffel**](/)

- **Learn**
  - [Quickstart](/learn/quickstart.md)
  - [Architecture](/learn/architecture.md)
  - [Installation](/learn/installation.md)

- **Core Concepts**
  - [Procedures (RPC)](/core/procedures.md)
  - [Streams](/core/streams.md)
  - [Events (Pub/Sub)](/core/events.md)
  - [Router Modules](/core/router-modules.md)
  - **Interceptors**
    - [Overview](/core/interceptors/overview.md)
    - [Rate Limiting](/core/interceptors/rate-limit.md)
    - [Circuit Breaker](/core/interceptors/circuit-breaker.md)
    - [Timeout](/core/interceptors/timeout.md)
    - [Retry](/core/interceptors/retry.md)
    - [Bulkhead](/core/interceptors/bulkhead.md)
    - [Fallback](/core/interceptors/fallback.md)
    - [Envelope](/core/interceptors/envelope.md)
    - [Cache](/core/interceptors/cache.md)

- **Protocols**
  - [HTTP](/protocols/http.md)
  - [WebSocket](/protocols/websocket.md)
  - [Channels](/protocols/channels.md)
  - [gRPC](/protocols/grpc.md)
  - [JSON-RPC](/protocols/jsonrpc.md)
  - [GraphQL](/protocols/graphql.md)
  - [TCP](/protocols/tcp.md)
  - [UDP](/protocols/udp.md)
  - [SMTP](/protocols/smtp.md)
  - [MCP (build your own)](/protocols/mcp.md)
  - [Shared-Port Fusion](/protocols/single-port.md)

- **HTTP Module** _(standalone)_
  - [Overview](/http/overview.md)
  - [Routing Contract](/http/routing.md)
  - [Middleware](/http/middleware.md)
  - [Guards](/http/guards.md)
  - [Responses](/http/responses.md)
  - [Static Files](/http/static.md)
  - [Health Checks](/http/health.md)

- **Auth & Security**
  - [Overview](/auth/overview.md)
  - [Bearer Token (JWT)](/auth/bearer.md)
  - [API Key](/auth/api-key.md)
  - [OAuth2](/auth/oauth2.md)
  - [OIDC](/auth/oidc.md)
  - [Session Store](/auth/sessions.md)
  - [Trust Boundaries](/auth/trust-boundaries.md)

- **Authorization (Policies)** _(opt-in)_
  - [Overview](/policies/README.md)
  - [Guide](/guides/policies.md)
  - [Match DSL Reference](/policies/match-dsl.md)
  - [Patterns & Recipes](/policies/patterns.md)
  - [Co-located policies](/policies/co-located.md)
  - [API Reference](/reference/policies-api.md)

- **Routing & Discovery**
  - [Route Discovery](/routing/discovery.md)
  - [File-System Discovery](/routing/file-system.md)
  - [Cheatsheet](/routing/cheatsheet.md)
  - [REST Auto-CRUD](/routing/auto-crud.md)

- **Observability**
  - [Metrics](/observability/metrics.md)
  - [Tracing](/observability/tracing.md)
  - [Logging](/observability/logging.md)

- **Tooling**
  - [Validation](/tooling/validation.md)
  - [OpenAPI](/tooling/openapi.md)
  - [Docs UI](/tooling/docs-ui.md)
  - [Docs UI Complete Example](/tooling/docs-ui-complete-example.md)
  - [Docs UI Protocol Examples](/tooling/docs-ui-protocol-examples.md)
  - [Docs UI Parity](/tooling/docs-ui-parity.md)
  - [Providers (DI)](/tooling/providers.md)
  - [Framework Plugins](/tooling/framework-plugins.md)
  - [Cache Drivers](/core/interceptors/cache.md)
  - [Mock Server](/tooling/mock-server.md)
  - [JSON Server](/tooling/json-server.md)
  - [Hot Reload](/tooling/hot-reload.md)
  - [DX Utilities](/tooling/dx.md)
  - [Hooks](/tooling/hooks.md)

- **Guides**
  - [REST API](/guides/rest-api.md)
  - [Building MCP Servers](/guides/mcp-server.md)
  - [Docs MCP Server](/guides/docs-mcp.md)
  - [Authentication](/guides/auth.md)
  - [Multi-Protocol Service](/guides/multi-protocol-service.md)
  - [SMTP Server](/guides/smtp-server.md)
  - [SMTP Relay](/guides/smtp-relay.md)
  - [Webhook Edge com TLS + Webhook Security](/guides/webhook-edge.md)

- **Proxy Toolkit**
  - [Visão Geral](/proxy/overview.md)
  - [Arquitetura](/proxy/architecture.md)
  - **Modos**
    - [Reverse](/proxy/modes.md#reverse-proxy)
    - [Explicit](/proxy/modes.md#explicit-proxy)
    - [SOCKS5](/proxy/modes.md#socks5-proxy)
    - [Transparente](/proxy/modes.md#transparent-proxy)
    - [Suite Unificada](/proxy/modes.md#proxy-suite)
  - **Configuração**
    - [Arquivo (Reverse)](/proxy/config-file.md)
    - [Código (Reverse)](/proxy/config-code.md)
    - [Roteamento](/proxy/routing.md)
    - [TLS / HTTPS](/proxy/tls.md)
  - **Inspeção e Replay**
    - [MITM + Capture/Replay](/proxy/mitm-capture.md)
  - **Observabilidade**
    - [Métricas e Grafo](/proxy/flow-metrics.md)
    - [Service Mesh](/proxy/service-mesh.md)
    - [Operação](/proxy/operations.md)
    - [Troubleshooting](/proxy/troubleshooting.md)

- **Migration**
  - [From Express](/migration/frameworks.md#from-express)
  - [From Fastify](/migration/frameworks.md#from-fastify)
  - [From Fetch-first Routers](/migration/frameworks.md#from-fetch-first-routers)
  - [DEVX Golden Path](/migration/devx.md)
  - [Protocol Fusion](/migration/protocol-fusion.md)

- **Reference**
  - [Core Model](/reference/core-model.md)
  - [Architecture Glossary](/reference/architecture-glossary.md)
  - [Error Codes](/reference/error-codes.md)
  - [API Reference](/reference/api-reference.md)
  - [Framework Runtime RFC](/reference/framework-runtime-rfc.md)
  - **Raffel AI Assistant**
    - [MCP for Raffel (built-in)](/reference/mcp.md)
    - [Feature Surface](/reference/mcp.md#one-line-capability-surface)
  - **USD Specification**
    - [Overview](/spec/README.md)
    - [USD 1.0.0](/spec/usd-1.0.0.md)
    - [JSON Schema](/spec/usd-schema-1.0.0.json)
  - [Changelog](/reference/changelog.md)