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Composio

★ 26k

Tool and integration layer for agents — 300+ apps (Gmail, GitHub, Slack…) with auth handled, for any framework.

Composio does the job of Zapier MCP and Paragon, self-hosted. It is Apache-2.0-licensed, so you can do essentially what you like with it, and setting it up is an afternoon, not a weekend. Zapier MCP bills $30 for it. 26k stars on GitHub.

Open-source replacement for Zapier MCP, Paragon.

Licence
Apache-2.0
Self-hosting
Medium
The paid one costs
$30
GitHub stars
26k
view the code →official site →

Is it actually a replacement?

We have not written a verdict on Zapier MCP or Paragon yet, so this page says what Composio is rather than judging what you would give up. When that product gets a page, this one will link to it.

Composio questions

Is Composio open source?

Yes — it is released under Apache-2.0.

Can I self-host Composio?

Yes — we rate it medium to self-host.

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