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Connecting the Revscale MCP to Claude or ChatGPT (Beta)

How to generate your personal Revscale MCP key and connect it to Claude Desktop or ChatGPT. This feature is in early beta and only available to select accounts.

Written by UB from Revscale™

The Revscale MCP lets you connect your Revscale account to an AI assistant like Claude or ChatGPT, so you can ask it questions about your account data directly inside that app (for example, "what's my current lead volume?" or "show me last week's call activity"). It uses a personal, read-only key, so it can retrieve your Revscale data but can't make any changes to your account.

This is an early beta. It's currently available to a small group of accounts, the setup is a bit more technical than our usual integrations, and it currently supports two AI assistants: Claude and ChatGPT.

Step 1: Get your MCP API key

  1. Log into your Revscale portal.

  2. Click your name in the bottom-left corner, then select API Keys from the menu.

  3. Under MCP API Key, click Copy to copy your key. If you don't have one yet, click Regenerate Key first to generate it.

Treat this key like a password — anyone who has it can read your Revscale data. If it's ever exposed, come back to this screen and click Regenerate Key to invalidate the old one.

Option A: Connect to Claude

Claude's built-in connector screen only supports signing in with OAuth, so a key like this one has to be added by editing Claude's config file directly. This requires Claude Desktop (not the web or mobile app) and Node.js installed on your computer.

  1. On your computer, open claude_desktop_config.json:

    — Mac: ~/Library/Application Support/Claude/claude_desktop_config.json

    — Windows: %APPDATA%\Claude\claude_desktop_config.json

  2. Add the following, replacing YOUR_MCP_API_KEY with the key you copied in Step 1:

{
"mcpServers": {
"revscale": {
"command": "npx",
"args": [
"-y",
"mcp-remote",
"https://mcp.revscale.ai/mcp",
"--header",
"Authorization: Bearer YOUR_MCP_API_KEY"
]
}
}
}

  1. Save the file and fully restart Claude Desktop (quit and reopen — a page refresh isn't enough).

  2. Start a new chat and ask Claude something about your Revscale account. If it's connected, you'll see it call a Revscale tool before answering.

Option B: Connect to ChatGPT

ChatGPT connects to outside tools through Developer mode, which is available on Plus, Pro, Business, and Enterprise plans via the ChatGPT web app.

  1. In ChatGPT, go to Settings → Apps & Connectors → Advanced settings and turn on Developer mode.

  2. Go back to Settings → Connectors and select Create (this may also appear as Add connector).

  3. Enter a name (e.g. "Revscale") and, for the server URL, enter:

    https://mcp.revscale.ai/mcp

  4. For authentication, choose the option for an API key or custom header (the exact label can vary). Set the header name to Authorization and the header value to Bearer YOUR_MCP_API_KEY, using the key you copied in Step 1.

  5. Save the connector, then turn it on from the Tools or Use apps menu in your chat.

ChatGPT's connector screen changes fairly often and the authentication options can vary by plan. If you only see an OAuth sign-in option and no place to enter a key, message us using the chat button below or email [email protected] and we'll help you get connected.

Don't see the MCP API Key section?

This beta is only turned on for select accounts right now. If you go to API Keys and there's no MCP API Key section, your account isn't enabled yet — click the chat button or email us at [email protected] and let us know you'd like access, and we'll get you set up and answer any questions.

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