# Better Agent LLM Index

## Documentation

# Docs

- Get started: undefined
  - [Introduction](/docs/get-started/introduction)
  - [Installation](/docs/get-started/installation): Set up Better Agent in your project.
  - [Usage](/docs/get-started/usage): Create your first agent app.
  - [llms.txt](/docs/get-started/llms-txt): Use the Better Agent docs as plain text for LLM tools.
- Concepts: undefined
  - [Agent](/docs/concepts/agent): The fundamental building block of Better Agent.
  - [Tools](/docs/concepts/tools): Let agents take structured actions.
  - [Human in the Loop](/docs/concepts/hil): Require human approval before a tool runs.
  - [MCP](/docs/concepts/mcp): Use MCP to connect agents to external tools and data.
  - [Structured Output](/docs/concepts/structured-output): Get typed, validated responses from your agents.
  - [Events](/docs/concepts/events): Observe what happens during an agent run in real time.
  - [Plugins](/docs/concepts/plugins): Extend Better Agent with cross-agent behavior.
  - [API](/docs/concepts/api): Expose your Better Agent app over HTTP.
  - [Client](/docs/concepts/client): Type-safe HTTP client for Better Agent servers.
  - [Persistence](/docs/concepts/persistence): Store and replay conversation history across runs.
  - [Providers](/docs/concepts/providers): Connect Better Agent to model APIs.
  - [CLI](/docs/concepts/cli): Generate portable client types from your Better Agent app.
  - [Errors](/docs/concepts/errors): Understand Better Agent error codes, shapes, and recovery.
  - [TypeScript](/docs/concepts/typescript): End-to-end type inference from server to client.
- Providers: undefined
  - [OpenAI](/docs/providers/openai)
  - [xAI](/docs/providers/xai)
  - [Anthropic](/docs/providers/anthropic)
- Integrations: undefined
  - Full stack: undefined
    - [Astro](/docs/integrations/full-stack/astro): Build Better Agent apps in Astro.
    - [Remix](/docs/integrations/full-stack/remix): Build Better Agent apps in Remix.
    - [Next.js](/docs/integrations/full-stack/nextjs): Build Better Agent apps in Next.js.
    - [Nuxt](/docs/integrations/full-stack/nuxt): Build Better Agent apps in Nuxt.
    - [SvelteKit](/docs/integrations/full-stack/sveltekit): Build Better Agent apps in SvelteKit.
    - [SolidStart](/docs/integrations/full-stack/solidstart): Build Better Agent apps in SolidStart.
    - [TanStack Start](/docs/integrations/full-stack/tanstack-start): Build Better Agent apps in TanStack Start.
  - Backend: undefined
    - [Hono](/docs/integrations/backend/hono): Integrate Better Agent with Hono.
    - [Fastify](/docs/integrations/backend/fastify): Integrate Better Agent with Fastify.
    - [Express](/docs/integrations/backend/express): Integrate Better Agent with Express.
    - [Elysia](/docs/integrations/backend/elysia): Integrate Better Agent with Elysia.
    - [NestJS](/docs/integrations/backend/nestjs): Integrate Better Agent with NestJS.
- Plugins: undefined
  - [Rate Limit](/docs/plugins/rate-limit): Rate limiting plugin using windowed counters with optional custom storage.
  - [Auth](/docs/plugins/auth): API key auth plugin with static keys or custom validation.
  - [Sandbox](/docs/plugins/sandbox): Give your agents a real workspace to run code, edit files, and preview apps.
  - [IP Allowlist](/docs/plugins/ip-allowlist): IP allowlist plugin with exact IPs, CIDR ranges, and proxy-aware resolution.
  - [Logging](/docs/plugins/logging): Structured runtime logging plugin with filtering, redaction, and custom formatting.

## Cookbook

# Docs

- [Build a Human-in-the-Loop Chat](/cookbook/build-a-human-in-the-loop-chat): Build a chat app that pauses risky actions for approval.
- [Build a RAG Chat](/cookbook/build-a-rag-agent): Build a chat app that retrieves context before answering.
- [Build a Structured Extraction Pipeline](/cookbook/build-a-structured-extraction-pipeline): Turn free-form text into typed structured data.
- [Build an MCP Chat](/cookbook/build-an-mcp-chat): Build a chat app that uses tools from an MCP server.