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

# Goose

> Connect Goose to up-to-date and token-efficient documentation.

[Goose Extensions docs](https://block.github.io/goose/docs/getting-started/using-extensions)

You can find your API key at [ref.tools/keys](https://ref.tools/keys)

## Install Steps

1. Click the `Extensions` button in the left side nav.

2. Click `Add custom extension`

3. Fill in Extension Name as `Ref`

4. Fill in Endpoint as `https://api.ref.tools/mcp`

5. Add a Request Header `x-ref-api-key` with value being your API key.

6. IMPORTANT: make sure you hit "+ Add" next to the request header to ensure it is actually added.

7. Click `Add extension`

<img src="https://mintcdn.com/ref/JCiPXQpBBR5CnJ1u/context/install/images/goose-settings.png?fit=max&auto=format&n=JCiPXQpBBR5CnJ1u&q=85&s=8efc2127bd9ae0d0533547b66294c7a6" width="1464" height="2098" data-path="context/install/images/goose-settings.png" />

## Verify

Open a new chat and issue the prompt.

```
what is ref tools mcp, search the docs with ref
```

This should results in a `ref_search_documentation` tool call.

<img src="https://mintcdn.com/ref/JCiPXQpBBR5CnJ1u/context/install/images/goose-success.png?fit=max&auto=format&n=JCiPXQpBBR5CnJ1u&q=85&s=58648a77eb31a8910f3876f001322c8a" width="1430" height="316" data-path="context/install/images/goose-success.png" />

## Get help

If you have any issues, please reach out to `help@ref.tools`. We're happy to help you get started!