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This article describes several ways that you can test and validate the registration and functionality of your MCP server.
Note
Some information relates to pre-released product, which may be substantially modified before it's commercially released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Test that the MCP functions work correctly
After building your MCP server into a binary executable, you can test out its functionality using the MCP inspector, a browser-based interface for interacting with an MCP server. This tool requires that NodeJS is installed on your device. To install NodeJS using WinGet, use the following command:
- winget install OpenJS.NodeJS
To run the tool, open PowerShell and run this command:
npx @modelcontextprotocol/inspector <path to your .exe>
This will open a page in your web browser that allows you to manually test the functionality of your server.
Test that the MCP server has been registered on Windows correctly
Once your MCP server is part of a Windows app and is registered on Windows, you can test that it was registered successfully using this command in PowerShell:
odr.exe list
If your server shows up correctly in that list, then it has been registered successfully.