Stay free if you only need up to 20,000 tool calls per month at no cost and access to the full 1,000+ toolkit catalog. Upgrade if you need sso and role-based access control and audit logs and advanced observability. Most solo builders can start free.
Why it matters: Adds a third-party dependency to the critical path of every tool call — outages or latency at Composio directly affect agent reliability, and you're trusting them with delegated user credentials.
Available from: Developer Platform (Usage-based)
Why it matters: Action coverage within each toolkit varies — popular apps like Gmail and Slack are deep, but long-tail integrations may only expose a handful of actions, sometimes forcing fallback to raw API calls.
Available from: Developer Platform (Usage-based)
Why it matters: Pricing is consumption-based around tool calls and connected accounts, which can get expensive quickly for high-volume production agents compared to maintaining your own integration code.
Available from: Developer Platform (Usage-based)
Why it matters: The abstraction hides a lot of API-specific behavior, so when something breaks (rate limits, auth scope mismatches, schema changes upstream) debugging can be harder than calling the API directly.
Available from: Developer Platform (Usage-based)
Why it matters: Enterprise features like SSO, dedicated infrastructure, and audit logs sit behind a sales conversation, with limited public pricing transparency for organizations evaluating it against in-house alternatives.
Available from: Developer Platform (Usage-based)
Composio is framework-agnostic. It integrates with LangChain, CrewAI, AutoGen, LangGraph, LlamaIndex, and Semantic Kernel, and works with native tool/function calling on OpenAI, Anthropic Claude (including Sonnet 4.6 and Claude Code), Google Gemini, and Mistral. It also supports the Model Context Protocol (MCP) standard, so any MCP-compatible agent framework can connect to Composio's toolkit catalog. This means you can switch orchestration frameworks or LLM providers without rewriting your tool integration layer.
The Composio Entity model handles delegated auth on a per-end-user basis. It manages OAuth 2.0 flows, API keys, bearer tokens, and basic auth, including token storage, refresh, and revocation. Each user of your agent product gets their own Entity with isolated credentials, so one user's Gmail token is never accessible to another user's session. The platform handles the full OAuth redirect flow, consent screens, and callback URLs, meaning your agent code just calls composio_manage_connections and the user is guided through authentication. This is particularly valuable for multi-tenant SaaS products where hundreds or thousands of end users each need to connect their own accounts.
Composio offers more than 1,000 pre-built toolkits covering SaaS applications, developer tools, CRMs, productivity suites, communication platforms, and e-commerce systems. Examples include Gmail, Slack, GitHub, Notion, Linear, Jira, Salesforce, HubSpot, Stripe, Shopify, Google Calendar, Google Drive, Trello, Asana, Confluence, Zendesk, Intercom, and Twilio. Each toolkit includes multiple typed actions with parameter schemas — for instance, the Gmail toolkit includes actions for sending, reading, searching, labeling, and drafting emails. New toolkits are added regularly, and the open-source nature of the project means the community can contribute integrations as well.
Tool calls run inside Composio's managed sandbox environment (composio_sandbox), which provides isolation, parallel execution across apps, rate-limit handling, and permission verification. For code execution use cases, sandboxes support Docker containers, E2B cloud sandboxes, and Fly.io instances, giving agents a secure runtime to execute generated code, manipulate files, run shell commands, and interact with browsers via Playwright. The sandboxed architecture ensures that even if an agent generates a malicious or buggy action, it cannot escape its execution boundary or affect other users' sessions.
Composio offers a free developer tier with up to 20,000 tool calls per month so you can get started without payment. The free tier includes full access to all 1,000+ toolkits, managed OAuth, and sandboxed execution. As usage scales beyond 20,000 calls, the Developer Platform tier provides pay-as-you-go pricing based on tool call volume and connected accounts. The Enterprise tier adds SSO and role-based access control, audit logs for compliance, dedicated infrastructure with SLAs, advanced security and compliance reviews, dedicated support and solutions engineering, and custom toolkit development. Enterprise pricing is determined through a sales engagement based on your organization's specific requirements and scale.
Building integrations in-house gives you full control but requires significant engineering investment. Each OAuth integration typically takes 2–4 weeks to build, test, and harden for production, including token refresh logic, error handling, rate-limit management, and security review. With 10–20 integrations, that can represent months of engineering time before your agent even starts delivering value. Composio collapses this to hours by providing pre-built, tested toolkits with managed auth. The tradeoff is a runtime dependency on Composio's platform and less control over API-level behavior. For teams building agent products where integration breadth and time-to-market matter more than fine-grained API control, Composio typically offers a strong return on investment.
The MCP Gateway is an enterprise feature that lets organizations expose their Composio toolkit catalog to any Model Context Protocol-compatible client under unified governance. It acts as a centralized access layer where administrators can control which toolkits are available to which agents or users, enforce authentication policies, and monitor tool usage through audit logs. Any MCP-compatible agent framework — including Claude Code, Cursor, and other MCP clients — can connect to the gateway and discover available tools dynamically. This is particularly useful for enterprises that want to provide a curated set of approved integrations to internal agent deployments while maintaining security and compliance controls.
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Last verified March 2026