> ## 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 Ref Plans.

[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 `RefPlan`
6. Fill in MCP Server URL `https://api.plan.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.

For plan-specific mode, use `https://api.plan.ref.tools/mcp?plan=<PLAN_ID>&apiKey=<YOUR_API_KEY>` as the URL.

## Verify

1. To use Ref Plans, click the `+` button in the left of the prompt input, go to `More` and select `RefPlan`.
2. Ask the agent to list your plans or read a specific plan.

## Get help

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