Corsair is an open-source integration layer built for AI agents and applications. Instead of wrestling with OAuth flows and provider quirks, you get a single, secure foundation for connecting to the services your product relies on.
It handles secure, multi-tenant OAuth authentication, permissions, MCP support, webhooks, credential management, caching, and provider-specific error handling. Integrations cover popular services such as Gmail, Slack, Notion, HubSpot, Airtable, Google Calendar, Stripe, Linear, GitHub, and Discord.
Developers can self-host the SDK for free, or use Corsair's managed cloud platform to connect third-party applications without maintaining authentication flows, token rotation, webhook verification, API changes, rate-limit handling, and tenant credential isolation on their own.

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