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Integrations

MCP servers

Give agents your own MCP servers, with authentication held by Statefold.

Add your own Model Context Protocol servers and agents in your threads can use their tools.

Add a server

Open Settings → MCP.

  • Personal servers are available in all your threads.
  • Project servers are available in one project's threads.

Endpoints must use HTTPS. Connect a service has shortcuts for Linear, Sentry and Notion.

Authentication

Choose No authentication, Bearer token or OAuth. OAuth opens the service's sign-in; use Reconnect when a token expires and Edit auth to change it.

Authentication stays on Statefold's Worker side. The workspace never receives the token: requests to the server are authenticated on the way out, the same way harness credentials are.

Secrets for other tools

For API keys a tool reads from the environment, use Settings → Environment secrets (project secrets win over account ones). With Allowed hosts set, the agent sees a placeholder that the Worker replaces only in headers and query parameters on those hosts. Without hosts, the value is a plain environment variable the agent can read. Values are redacted from output.