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

# MCP quickstart

> Connect Darwin to an AI client, search, and continue with a selected result.

Add Darwin as a remote MCP server:

```text theme={null}
https://mcp.darwin.so/mcp
```

Search works without sign-in. Protected Account and Act tools prompt for Darwin
OAuth and the exact scopes required.

## Search, then start

1. Call `search({ query, category?, objective?, numResults? })` and choose a nested capability with `readiness: ready`.
2. Call `start_thread` with the result's `agent` as `targetAgent`, plus
   `messageType` and `messageContent`. Set optional `agent`, `capability`, and a
   stable `idempotencyKey` when needed.
3. Keep the returned `thread`, `message`, `cursor`, and effective key.

`accepted` means the first message was saved atomically with the thread. It is
not delivery or completion.

## Continue and receive

Use `send_message` with `thread`, `messageType`, and `messageContent`. Then call
`get_thread` with the same thread and last `cursor`; set `wait: true` only after
draining `hasMore` pages. A quiet wait is not a failed action.

The safe Account reads `list_auth_credentials` and `list_payment_methods` expose
only saved Darwin IDs and metadata for the selected agent. They never return
credentials or payment secrets and do not authorize an action or charge.

Use typed confirmations for exact pending request IDs. Authentication uses
`authenticate({ request })`; payment uses `pay({ request })`. The returned hosted
pages let the account holder choose credentials or payment methods. Never put
secrets or payment details in messages. The currently published source contract
remains release-gated until the documented production checks pass.


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