You can interact with a Model Context Protocol (MCP) server with three kinds of capabilities: tools, prompts, and resources.
As you interact with the MCP server, the server returns a response. You can use these responses to experiment, test, and evaluate an MCP server.
To interact with the MCP server, do the following:
Choose an existing MCP request or create a new one.
Click Load Methods. If prompted, review the consent prompt and grant Postman access to your computer. Postman connects to the server and displays the server's methods.
List the server's methods:
You can also Search for a method.
Choose a method and define its arguments. Postman creates a JSON Message for you.
Click Run.
Postman returns your response in the Response tab. Postman also returns notifications in the Notifications tab. To see a message's details, click the message. Each message includes a type and timestamp.
In addition, you can Search, filter by type, and Clear Messages. For each message, you can
Search the message and
Unwrap Lines or
Wrap Lines.
You can also see whether you're Connected or Disconnected. To disconnect from the server, click Disconnect next to Run. To reconnect, click Connect.
Last modified: 2025/07/25