A Postman collection can be a surprisingly useful starting point for an MCP server. Many teams have Postman collections before they have polished OpenAPI documentation. The collection already contains working requests, paths, query parameters, headers, bodies, example responses, and authentication notes. That is enough to begin thinking about MCP tools. But there is a catch. A Postman request is still a developer artifact. An MCP tool is an AI-facing capability. Converting one into the ...