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This page shows how to connect OpenAI Agent Builder to Zapier MCP using a connection token.

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Before you begin

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Connect Zapier MCP to OpenAI Agent Builder

1

Create an MCP server

  • Go to mcp.zapier.com.
  • Click Add MCP server.
  • Under Choose your AI agent, search for and select OpenAI Agent Builder.
2

Generate a connection token

  • Select the link icon Connect tab.
  • Under Get your Zapier API Key, click Generate token.
  • Copy the token. Agent Builder calls this your Zapier API key.
The token is only shown once. If you lose it, click Rotate token to get a new one. The previous token stops working straight away, so update anywhere you used it.
Treat your connection token like a password. Anyone with the token, or with a server URL that contains it, can run tools on this server and access your data.
3

Add the Zapier tool in Agent Builder

  • In your Agent Builder node, click Tools +.
  • Select Zapier from the list of available tools.
4

Paste your token

  • Paste your token into the Enter your Zapier API key field.
  • Click Connect.
You’ve now connected Zapier MCP to OpenAI Agent Builder.

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Next steps

Run your first tool call

Run the onboarding skill to turn your apps into tools, then make your first call.

How tools work

Learn how dynamic tool discovery works and what the meta-tools do.
Last modified on September 24, 2026