Composio
Composio is a managed tool-integration and authentication layer that exposes 1,500+ apps as agent-callable tools via SDKs, a CLI, or hosted MCP endpoints, handling OAuth, tool search, and execution for AI agents.
What is Composio?
Composio is a tool-integration and authentication layer built for AI agents rather than human-driven automation. It exposes external applications—Gmail, Slack, GitHub, Salesforce, Notion, Google Sheets, and 1,500+ others—as callable tools, and handles the surrounding infrastructure: OAuth consent flows, token storage and refresh, scope management, tool search, and execution routing. The premise is that an agent should be able to act across apps without its developer rebuilding an auth stack and a tool abstraction per integration.
The platform is framework-native. It offers Python and TypeScript SDKs, a CLI, and a hosted MCP endpoint, so the same toolset can be consumed by Claude, Cursor, Codex, LangChain, LlamaIndex, or a custom agent loop. Composio describes its design as improving tool-call accuracy through optimized tool definitions, though the claim is vendor-published and should be validated against the specific toolkits a team depends on. Hobby and Scale plans run on Composio's managed cloud; Enterprise adds VPC, on-premise, and customer-managed-key options.
How does Composio work?
A typical setup starts with connecting an app: the developer initiates an OAuth flow through Composio, and Composio stores and refreshes the resulting credentials. From that point, the agent receives tool definitions either as native SDK tools or through Composio's hosted MCP endpoint. When the agent decides to act, it issues a tool call; Composio resolves the connected account, executes the API request, and returns the result in the format expected by the agent's framework.
Composio adds a tool-routing layer and a sandboxed workbench for testing tool calls without exposing production credentials. Triggers allow events from connected apps—such as a new email or a GitHub issue—to be delivered to the agent as inputs. For teams that need application-owned tools or deterministic backend code, Composio supports managed authentication with a proxy, extending the same credential layer to custom endpoints. The May 2026 security incident and subsequent credential-security rebuild are relevant context for teams evaluating the managed model; Composio has since published remediation details and continues to offer self-hosted deployment on Enterprise.
Use Cases
- Giving coding agents (Claude Code, Cursor, Codex) authenticated access to GitHub, Linear, or Slack through a single MCP endpoint rather than per-client integrations
- Building customer-facing agents that act on behalf of end users in Gmail, Google Calendar, or Salesforce, with Composio managing the multi-tenant OAuth flow
- Prototyping multi-app agent workflows at the 100,000-call free tier before committing to a paid plan or enterprise deployment
- Routing agent tool calls across a broad toolkit catalog without hand-authoring each API wrapper, particularly when the agent framework changes but the toolset should remain stable
- Testing tool-call behaviour and scope requirements in a sandbox before granting production credentials
Pricing
Pricing model: Freemium
| Plan | Price | Billing | Included usage | Notes |
|---|---|---|---|---|
| Hobby | $0 | per month | 100,000 tool calls and 50,000 triggers per month, unlimited connected accounts, and up to 3 team members. Includes access to 1,500+ toolkits, managed OAuth, and hosted MCP endpoints. | — |
| Scale | $29 | per month | Everything in Hobby plus unlimited team members, a $29 monthly usage credit (does not roll over), and spend controls. Usage beyond the included credit is billed at $0.0003 per tool call. Premium tools are billed at provider cost plus a 5% platform fee. | — |
| Enterprise | Custom | quoted | Everything in Scale plus committed volume discounts, SSO/SCIM, customer-managed keys, VPC or on-premise deployment, SOC 2 Type II, ISO/IEC 27001:2022, audit logs, RBAC, MSA/DPA/BAA, dedicated support, and SLA. | — |
Common Limitations
- May 2026 security incident · Composio disclosed a May 2026 security incident in which an attacker accessed internal systems and compromised customer credentials. The disclosure reported leaked connections representing approximately 0.3% of active connections, including 5,001 GitHub connections, and separately identified 5,241 Composio API keys as potentially exposed. Composio subsequently rebuilt credential-security controls, but teams with strict vendor-risk requirements should review the incident disclosure and current trust-center materials before adopting the managed platform.
- OAuth scope audit costs at production · Composio managed OAuth accelerates prototyping, but moving to a custom OAuth app (BYOC) for production can trigger third-party audit costs. Choosing a broader scope such as gmail.modify instead of gmail.send can require a CASA Tier 2 security assessment costing approximately $3,000–$15,000 annually. Composio's documentation does not surface these scope-dependent costs during initial setup; teams must account for them when planning production launches.
- Enterprise governance is paywalled · RBAC, audit logs, SSO/SCIM, customer-managed keys, VPC/on-premise deployment, and SOC 2 Type II attestation are available only on the Enterprise plan. Hobby and Scale users receive managed authentication and tool execution but must rely on their own application-level controls for organisational access management and audit trails.
- Managed-cloud dependency · On Hobby and Scale, tool calls and stored credentials pass through Composio's cloud infrastructure unless a custom deployment is configured. Teams with data-locality or vendor-isolation requirements that cannot use the managed cloud must move to Enterprise for VPC or on-premise options. This is a structural constraint of the hosted model, not a temporary limitation.
- Not a general workflow automation builder · Composio is an agent-native tool and authentication layer. It is not designed for building multi-step deterministic workflows with branching logic, retries, and data transformation between arbitrary apps. Teams that need those capabilities, or that want to author custom integration code per step, will find Pipedream or traditional workflow engines a better fit. Composio's strength is exposing app actions to agents, not replacing an integration platform's orchestration surface.
- Toolkit depth varies · Composio advertises 1,500+ toolkits, but depth and action coverage differ by integration. Mature toolkits may expose dozens of granular actions, while newer or less common integrations may offer only a narrow set. Teams depending on a specific app should verify that the required actions are available and that OAuth scope requirements match their compliance posture before committing.
Key Features
- 1,500+ app toolkits exposed as agent tools
- Managed OAuth consent, token storage, and refresh
- Hosted MCP endpoint for MCP-compatible clients
- Tool Router for stable agent interfaces across framework changes
- Sandboxed workbench for testing tool calls without production credentials
Composio vs. Zapier MCP and Pipedream Connect
This comparison uses current official pricing and documentation. It focuses on documented scope, integration model, and pricing structure for agent tool access, not subjective judgments of platform quality.
| Tool | Positioning | Key differences | Best fit | Pricing note |
|---|---|---|---|---|
| Composio Pricing Documentation | A managed tool-integration and authentication layer that exposes 1,500+ apps as agent-callable tools via SDKs, CLI, or hosted MCP, with a 100,000-call free tier. | Agent-native and tool-centric: app actions are exposed as tools, OAuth is managed per connected account, and pricing meters tool calls. Offers a hosted MCP endpoint and framework SDKs. Enterprise adds self-hosting, RBAC, audit logs, and SOC 2. Not a general workflow automation builder. | Developers building agents that need authenticated access to many third-party apps with a generous free call allowance and a single tool catalog across frameworks. | Hobby: $0 with 100,000 calls/month. Scale: $29/month with $29 credit and $0.0003/call overage. Enterprise: custom. |
| Zapier MCP Pricing MCP usage and billing | An MCP server that exposes Zapier's app ecosystem to AI clients, running on Zapier's existing task-based automation plans. | Built on Zapier's low-code automation platform and task allowance rather than per-tool-call pricing. Covers a broader set of apps and is familiar to business users. MCP calls consume tasks (two tasks per call in the documented model), so cost depends on the underlying Zapier plan. Less developer-oriented than Composio or Pipedream. | Teams already on Zapier that want to extend their existing automation task allowance to MCP clients without adopting a separate agent-tool billing model. | Free plan with 100 tasks/month. Professional from $19.99/month annually or $29.99/month monthly for 750 tasks; MCP calls are billed as tasks against the plan allowance. |
| Pipedream Connect Pipedream pricing Connect documentation | A developer infrastructure platform for embedding 3,000+ app integrations and event-driven workflows into applications and AI agents, with code-level control. | Prioritises programmable integrations: developers can write custom code steps, handle events, and control execution logic between apps. Offers managed authentication and MCP support but is not limited to exposing pre-built tools; it provides a full integration runtime. Production pricing starts at a higher tier than Composio or Zapier. | Engineering teams that need custom integration logic, event-driven execution, and code-level control over how agents and applications interact with external APIs. | Free plan for development. Production Connect plans start at $99/month billed annually (or $150 monthly) with 10,000 credits and 100 external users; additional users $2 each. |
Comparison checked against official product information on 2026-11-05. Features and pricing may change.
Frequently Asked Questions
Is Composio free to use?
Yes, with limits. The Hobby plan is $0 and includes 100,000 tool calls and 50,000 triggers per month, unlimited connected accounts, and up to 3 team members, with no credit card required. The Scale plan is $29 per month with a $29 usage credit and additional calls at $0.0003 each. Enterprise pricing is custom.
What happened in the May 2026 Composio security incident?
Composio disclosed that an attacker accessed internal systems and compromised customer credentials. The disclosure reported leaked connections representing about 0.3% of active connections, including 5,001 GitHub connections, and 5,241 Composio API keys as potentially exposed. Composio rebuilt credential-security controls afterward and maintains a trust center; teams with strict vendor-risk requirements should review the disclosure and current remediation materials directly.
Does Composio work with Claude Code, Cursor, and other MCP clients?
Yes. Composio exposes a hosted MCP endpoint that MCP-compatible clients can connect to directly, and its SDKs provide native tool definitions for frameworks that do not use MCP. The same toolkit catalog is available through both paths, though the integration surface differs between native SDK tools and MCP.
What is the difference between Composio and Zapier MCP?
Composio is agent-native and tool-centric: it exposes app actions as tools and manages OAuth for each connected account, with pricing based on tool calls. Zapier MCP runs on Zapier's existing task-based plans and is built on Zapier's broader low-code automation platform. Zapier covers more apps overall and is familiar to business teams; Composio is narrower but designed around the agent tool-calling model and offers a higher free call allowance. Neither is a strict substitute for the other.
Can I self-host Composio?
Self-hosting and VPC deployment are available on the Enterprise plan. Hobby and Scale are managed-cloud offerings. Teams that require on-premise deployment or customer-managed keys need to engage Composio's enterprise sales process.
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