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Tyms MCP uses OAuth. You sign in with your Tyms account and approve access for a specific business. You do not paste API secret keys into Claude or ChatGPT.

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Client ID by platform

When an MCP client asks for a Client ID after you enter the MCP URL, use the ID that matches your platform:

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How authentication works

1

Connect to the MCP URL

Your MCP client connects to the Tyms MCP URL (read-only or full).
2

Provide the Client ID if asked

Enter the Client ID for your platform from the table above.
3

Complete Tyms OAuth

The client opens Tyms’ OAuth flow. You sign in and approve access for a business.
4

Use the connected business

Tyms issues a short-lived connection for that client. Tool calls run as that connected business.

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What is shared (and what is not)

  • Your Tyms credentials are not shared with Claude, ChatGPT, or Perplexity as raw API keys.
  • The client receives a bridge token; Tyms keeps the upstream business tokens server-side.
  • The assistant only sees data for the business you approved during OAuth.

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Tips

  • Prefer the read-only endpoint unless you need write tools.
  • Review tool calls before approving writes in your MCP client.
  • If a client should no longer be connected, revoke access from your Tyms / integration settings.
For client-specific setup, see Claude.ai, Claude Desktop, Claude Code, ChatGPT, and Perplexity.