mcpsnoop turns MCP debugging into something you can actually see
If you build with Claude Desktop, Cursor, or Claude Code, MCP debugging has a familiar smell: you think the server is fine, but the real problem is somewhere in the handshake, the arguments, or a request that never quite happened. mcpsnoop is interesting because it doesn’t sit off to the side like the official Inspector; it drops into the actual path between client and server, which is the part developers usually need to inspect first. mcpsnoop is a transparent proxy for MCP, described as “Wires
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