MCP Configuration Validator
Check a common mcpServers JSON shape for missing commands, URLs, and malformed argument lists.
Runs in your browser. No signup or cloud computer.
64 / 100,000
Result
Your result will appear here. The input stays in this browser tab.
How to use it
Paste a local MCP server configuration to validate its common structural fields.
Try this example
{"mcpServers":{"files":{"command":"node","args":["server.js"]}}}What to check
Clients support different configuration dialects; this checks a common shape, not connectivity.
Review the result before using it in a published page, application, or agent configuration.
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