> ## Documentation Index
> Fetch the complete documentation index at: https://docs.useagents.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Introduction

> Connect the UseAgents MCP server so your AI agent can discover verified developer tools instead of guessing.

UseAgents gives AI agents a searchable registry of real CLIs, SDKs, APIs, and libraries. Connect the MCP server once, and your agent can look up tools by task instead of inventing package names from incomplete context.

<Note>
  Querying UseAgents via MCP is **currently free** during our public beta. No API key is required. Requests are subject to [rate limits](/api-reference/rate-limit).
</Note>

## What you get

* **Grounded discovery** — Agents search a live registry instead of hallucinating package names.
* **Structured metadata** — Results include descriptions, docs links, repos, categories, and tags.
* **One integration** — Add a single MCP server instead of hard-coding tool knowledge into prompts.
* **Authoritative context** — Use `get_tool_context` for install and usage guidance before recommending a tool.

## Quick start

1. **Connect the MCP server** at `https://mcp.useagents.site/mcp`. See [Connecting the MCP Server](/mcp/connecting) for config examples.
2. **Search for tools** — Ask your agent to call `search_tools` with a natural-language query like "TypeScript SDK for Stripe webhooks."
3. **Inspect before integrating** — Review returned metadata and docs links, then call `get_tool_context` for the selected tool.

<CardGroup cols={2}>
  <Card title="Connect MCP Server" icon="plug" href="/mcp/connecting">
    Server URL, config snippets, and verification steps.
  </Card>

  <Card title="Client Setup Guides" icon="laptop" href="/mcp/clients/cursor">
    Step-by-step setup for Cursor, Claude, Codex, Windsurf, and more.
  </Card>
</CardGroup>

## MCP tools

| Tool                                                        | Purpose                                              |
| ----------------------------------------------------------- | ---------------------------------------------------- |
| [`search_tools`](/mcp/tools-reference/search-tools)         | Find tools by task, framework, or capability         |
| [`get_tool_context`](/mcp/tools-reference/get-tool-context) | Fetch install and usage guidance for a specific tool |

See the [MCP Tools Reference](/mcp/tools-reference/introduction) for response format, workflow, and authentication details.

## Supported clients

<CardGroup cols={3}>
  <Card title="Cursor" icon="code" href="/mcp/clients/cursor" />

  <Card title="Claude" icon="message-bot" href="/mcp/clients/claude" />

  <Card title="Antigravity" icon="wand-magic-sparkles" href="/mcp/clients/antigravity" />

  <Card title="Codex" icon="terminal" href="/mcp/clients/codex" />

  <Card title="Windsurf" icon="wind" href="/mcp/clients/windsurf" />

  <Card title="v0" icon="paintbrush" href="/mcp/clients/v0" />
</CardGroup>

## Browse without connecting

Visit [useagents.site/discover](https://useagents.site/discover) to explore the live registry before wiring up an agent.

## Next steps

* [Connecting the MCP Server](/mcp/connecting) — Add UseAgents to your agent
* [MCP Tools Reference](/mcp/tools-reference/introduction) — Learn what the server exposes
* [Developers tab](/developers/philosophy) — Publishing a tool to the registry