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Launched 2023 · Verified Oct 15, 2026

Composio

Verified Oct 15, 2026 Active
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Gives AI agents authenticated, rate-limited access to over 1,000 external tools and apps through one API.

ai agent toolstool callingmcpintegrationsFreemium · from $29/mo

Listed on EffectHub ·

Web · API
Screenshot of the Composio website
#891
composio.dev as we captured it — our own screenshot, not the vendor’s press image.

Pricing

Pricing model
Freemium
Paid options from
$29/mo
Billing
Monthly

Hobby is free with 100,000 tool calls and 50,000 trigger events a month, hard-capped until the next month or an upgrade. Pro is $29/month including a $29 usage credit, then $0.0003 per tool call, $0.003 per trigger event and per-call add-ons; Enterprise is custom with annual invoicing.

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Overview

About Composio

Composio is developer infrastructure that lets AI agents call real external tools and apps — Gmail, GitHub, Slack, and over a thousand others — without each project having to build its own auth and API wrappers. It handles delegated authentication, executes tool calls in sandboxed environments, supports parallel execution, and plugs into MCP clients like Claude Code and Cursor as well as direct SDK use. The free tier includes 100,000 tool calls and unlimited connections a month; the Pro plan is $29 a month with pay-as-you-go overage after that, priced per tool call. The company is based in San Francisco, was founded in 2023, and has raised a Series A led by Lightspeed Venture Partners.

Platforms
Web · API
API
Yes
Last verified
Oct 15, 2026

Verified sources

  • Pricing page lists Hobby at $0 with 100,000 tool calls a month, Pro at $29 per month with a $29 usage credit and $0.0003 per extra tool call, and custom Enterprise (15 October 2026)composio.dev ↗
  • Pricing page says the new pricing applies to signups from 15 August 2026, with existing customers kept on their plan until 31 December 2026 (15 October 2026)composio.dev ↗
  • Terms of Service are governed by Delaware law (15 October 2026)composio.dev ↗
  • Company profile confirming San Francisco headquarters, 2023 founding, and Series A fundingtracxn.com ↗
Fact check

Is Composio legit?

We don’t label tools safe or unsafe. Below are the records we checked ourselves, each with the date we read it.

Domain registered
Apr 2, 2023 (3 years ago)Registry record (RDAP), registrar GoDaddy.com, LLC, looked up Sep 6, 2026
TLS certificate
Issued by Google Trust Services, valid until Jan 10, 2027Seen in our own connection to the site on Oct 15, 2026
Last checked
Oct 15, 2026The site answered
On the market since
2023The vendor's own material, read by us
Operated by
Composio, United StatesOur research, card verified Oct 15, 2026

How we collect these records

Editorial verdict

Pros & cons of Composio

high confidence

Composio solves a specific, real developer problem — letting an AI agent actually call Gmail, GitHub, Slack, and a thousand-plus other tools with proper auth handling — rather than building that plumbing per project. It's usage-priced per tool call past the free tier, and it's a funded, San Francisco-based company (Series A led by Lightspeed) rather than a thin indie site.

Pros

  • Over 1,000 pre-built integrations with handled authentication, rather than building each one manually
  • Free tier includes 100,000 tool calls and unlimited connections a month before any charge
  • Works with MCP clients (Claude Code, Cursor) as well as direct SDK integration
  • Backed by a real Series A ($25M, led by Lightspeed) rather than an unfunded side project

Cons

  • Pay-as-you-go overage pricing per tool call can get harder to predict at high volume
  • Premium tools like browser automation cost meaningfully more than standard tool calls (roughly $0.70/task)

Best for

  • Developers building AI agents that need to take real actions in external apps, not just chat
  • Teams already using MCP-compatible tools like Claude Code or Cursor who want a shared integration layer

Not for

  • Simple chatbots that only need to read and generate text, with no external tool-calling requirement
  • Projects wanting a flat monthly price rather than usage-based per-call billing

Watch out: Some premium integrations are priced well above the standard $0.0003-per-call rate — check per-tool pricing before assuming the whole platform costs the base rate.

#3inMCP Servers & Tool Protocols· of 10 tools, ranked by rating and popularity

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