Composio

Composio is an agent tooling platform that helps AI agents safely connect to external apps, APIs, MCP servers, and real-world workflows. Instead of building every integration from scratch, developers can use Composio to add tool execution, authentication, managed connectors, and workflow actions to agents. The product is especially useful for builders working with Claude, Codex, Cursor, OpenClaw, Hermes Agent, and other agent interfaces that need access to apps like Gmail, Slack, GitHub, Notion, HubSpot, Salesforce, Linear, and many more. Composio acts as the skill layer between the agent and the services it needs to operate. Composio is not just a connector marketplace. Its pricing and docs emphasize tool calls, MCP gateway use, managed authentication, pro tools, and enterprise controls for teams that want reliable tool execution at scale. That makes it a good fit for production agent builders, not only hobby experiments. For FutureStack, Composio belongs in AI Agents because agent tools and MCP gateways are becoming core infrastructure. It is best for developers and founders who want agents to take action across SaaS apps without rebuilding every OAuth flow and API integration manually.