MCP Config Builder
Enter a server name, command, arguments and optional environment variables. Get valid JSON for a common mcpServers configuration shape.
Your result
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Ready when you are.
What this tool does
Enter a server name, command, arguments and optional environment variables. Get valid JSON for a common mcpServers configuration shape.
Example
Example: server name filesystem, command npx, arguments -y and @modelcontextprotocol/server-filesystem, then an allowed folder path.
How to use it
Use the command from the server’s official instructions. Put one argument and one KEY=value variable per line. Generate, inspect and adapt the JSON to your specific client.
Useful for
Drafting local server configs, checking JSON syntax and documenting an MCP setup for a team.
Limitations
MCP clients differ in config paths and supported fields. This tool does not install, run or verify a server. Avoid pasting credentials into shared devices.
FAQ
Will this install an MCP server?
No. It only builds a JSON configuration for you to inspect.
Does every MCP client accept mcpServers?
No. Check your client’s official configuration format and adapt the output when necessary.


