How is Corsair different from existing integration products?

Corsair is open source, allowing developers to add integrations themselves instead of waiting for a closed-source provider's roadmap. It also provides OAuth, permissions, webhooks, and multi-tenant execution for AI workflows.

Can Corsair be self-hosted?

Yes. The full SDK can be self-hosted on your own infrastructure at no software cost, with no per-seat pricing or vendor markup on third-party API calls.

Does an AI agent see users' API keys?

No. Corsair resolves credentials internally at call time. The agent receives method names and results rather than API keys.

How does Corsair protect sensitive actions?

Developers can configure permission modes per integration. Destructive actions require explicit user approval through a review link or consent screen before execution.

Can Corsair be used without an AI agent?

Yes. Developers can call Corsair like a typed library for application features such as syncing Airtable data, creating calendar invitations, or posting messages to Slack.

What happens if a required integration is not available?

Developers can open a pull request, fork the repository, or scaffold and build a new integration plugin using the open-source TypeScript SDK.

Does Corsair store credentials and application data in its hosted service?

According to the provided content, the hosted version acts as a relay and keeps credentials and data in the customer's own database.

Corsair: Open-source integration infrastructure for AI agents and third-party applications

Name: Corsair
Rating: 5 (54 reviews)
Author: toolify

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Introduction:

Open-source integration infrastructure for AI agents and third-party applications

Added on:

Aug 26 2026

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Corsair Product Information

What is Corsair?

Corsair is an open-source integration layer for AI agents and applications. It provides secure, multi-tenant OAuth authentication, permissions, MCP support, webhooks, credential management, caching, and provider-specific error handling for 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.

How to use Corsair?

Create a Corsair instance, configure your database and encryption key, enable multi-tenancy, and add the integrations you need through plugins. Connect users' third-party accounts through OAuth, define permissions for sensitive actions, and expose integrations to AI agents through typed tools or MCP. You can self-host the SDK or use the managed cloud offering, then build agent workflows, webhooks, triggers, and direct application actions.

Corsair's Core Features

Multi-tenant OAuth authentication and credential management

MCP support for AI agent integrations

Permission controls requiring explicit approval for destructive actions

Webhook-based triggers and workflow automation

Automatic token rotation, schema change handling, and provider-specific error handling

Secure credential isolation so agents do not see API keys

Caching with webhook and polling synchronization

Self-hosted open-source SDK

Managed cloud execution

Support for integrations including Gmail, Slack, Notion, HubSpot, Airtable, Google Calendar, Stripe, Linear, GitHub, Discord, and more

Corsair's Use Cases

Enable an AI agent to send calendar invitations and emails through Google Calendar and Gmail

Retrieve unshipped orders from Airtable for operational workflows

Send Slack notifications when financial documents are uploaded to Drive

Allow an agent to reply to emails after receiving user approval

Create application actions such as syncing Airtable data or posting messages to Slack

Build multi-tenant SaaS products with customer-specific third-party integrations

Automate workflows across CRM, communication, productivity, and business applications

FAQ from Corsair

How is Corsair different from existing integration products?
Can Corsair be self-hosted?
Does an AI agent see users' API keys?
How does Corsair protect sensitive actions?
Can Corsair be used without an AI agent?
What happens if a required integration is not available?
Does Corsair store credentials and application data in its hosted service?

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Corsair Reviews (0)

5 point out of 5 point

Corsair Pricing

Hobby

$0 per month

For small projects; unlimited tool calls, up to 50 connections, 100,000 webhook events, unlimited managed permissions and auth pages, up to 3 team members, Corsair-branded consent screens, Discord community support, and community integrations.

Pro

$200 per month

For teams in production; unlimited tool calls, unlimited connections, unlimited webhooks, unlimited managed permissions and auth pages, unlimited team members, custom-branded consent screens, Slack support, and Corsair team integrations.

Enterprise

Custom

Custom tool calls, connections, webhooks, permissions and auth pages, team members, branding, support, and integrations.

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