open-connector

Open-source auth gateway and Composio alternative that connects 1,000+ SaaS providers to AI agents via MCP, HTTP/OpenAPI, or SDK. Handles OAuth2, API keys, action allow/block policies, and run logs — credentials never touch the agent process.

Connects to: GitHub, Gmail, Notion, Slack, BigQuery, Supabase, Airtable, Claude, Cursor · · Apache-2.0 2,233★

Use it with an AI agent

Loadbay is an MCP server, so an agent can search the catalog and find this harness:

claude mcp add --transport http loadbay https://loadbay.xyz/api/mcp

• Source: https://github.com/oomol-lab/open-connector
• This harness as JSON: /api/harnesses/open-connector
• Agent setup: /setup.md
• Browse all 700+ harnesses on Loadbay