Corsair

Corsair is an open‑source integration layer that lets AI products add secure, multi‑tenant connections using OAuth, permissions, MCP, webhooks, and either hosted or self‑hosted execution. It enables you to connect to the apps your users rely on within minutes, without maintaining the underlying infrastructure.

Building and maintaining those connections is difficult because APIs constantly change, auth flows rotate, schemas evolve, and error handling varies across providers; closed‑source tools lock you into their supported integrations. Corsair removes this integration burden, offering a production‑grade solution that can be self‑hosted for free, cutting integration costs.