Corsair

Corsair is an integration platform that enables AI products and services to connect with third-party applications through a unified REST API. It supports OAuth, permissions management, Model Context Protocol (MCP), webhooks, and both hosted and self-hosted deployment options. The platform provides a consistent syntax across all integrations, eliminating the need to write custom adapters for each tool.

Designed for developers building AI agents, backend services, and customer-facing dashboards, Corsair is open source and can be self-hosted or used via their managed Hub service. The project maintains integration adapters for popular apps like Gmail, Slack, Notion, HubSpot, Stripe, GitHub, and others, allowing users to connect their applications without managing underlying infrastructure.