{"service":"MainStem MCP servers","authentication":"Send a MainStem bearer token on every request: Authorization: Bearer <token>","servers":[{"app":"Admin","endpoint":"https://dev-mcp.mainstem.io/admin/mcp","tools":["search_customers"]},{"app":"Purchase Pro","endpoint":"https://dev-mcp.mainstem.io/purchasing/mcp","tools":["search_products"]},{"app":"Supplier Core","endpoint":"https://dev-mcp.mainstem.io/supplier/mcp","tools":["search_products"]}]}