> ## 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.

# ChatGPT

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

[ChatGPT MCP docs](https://platform.openai.com/docs/mcp)

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

## Install Steps

1. Open `Settings`

2. Click `Apps & Connectors`

3. If you are not already in developer mode, scroll to the bottom and click `Advanced settings` and toggle on Developer mode.

4. Click the `Create` button in the top right of the settings modal.

5. Fill in Name as `Ref`

6. Fill in MCP Server URL `https://api.ref.tools/mcp?apiKey=<YOUR_API_KEY>`

7. Under Authentication select `No authentication`. Your API key is set in the server url already.

8. Check the `I understand` box and click Create.

## Verify

1. To use Ref, click the `+` button in the left of the prompt input, go to `More` and select `Ref`.

<img src="https://mintcdn.com/ref/JCiPXQpBBR5CnJ1u/context/install/images/chatgpt-use.png?fit=max&auto=format&n=JCiPXQpBBR5CnJ1u&q=85&s=3e913e27acd8f4d81cb197288bd37e06" width="1706" height="1364" data-path="context/install/images/chatgpt-use.png" />

2. Issue the following prompt.

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

This should results in a `ref_search_documentation` tool call.

## Get help

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