Marrow MCP server

MCP discovered

Details

Endpoint: https://mcp.trymalcolm.com/sse
Transport: sse, streamable-http
Docs: https://www.onmarrow.com/docs/for-partners/mcp-server

Authentication

Marrow API key bearer discovered Get token ↗

Authorization: Bearer <credential>

To get Sandbox credentials, email Marrow via contact@onmarrow.com or use the contact page. The partner quickstart says Marrow will set you up with test credentials. Use the issued key as a bearer token in Authorization: Bearer <key>. The docs show production-style keys prefixed mk_live_ and sandbox/test keys prefixed mk_test_.