Tweet by mattzcarey

September 9, 2025

Introducing the first open source MCP Tool Testing Agent powered by Claude Code >be me >build the most useful MCP server known to humankind >description pristine, all the arguments you could want, >ship it, go outside, stare at cloud >“just ask your model to use the tools,” >claude: “what if… I don’t” >gpt: “I have called mcp__my_server_easy_tool with parameter blorpo as a stringified array” >blorpo not in schema >users sad >me sadder plot twist npx @ stackone/mcp-test --transport http --url https://amazing-server-url .com/mcp point it at your server, it handshakes, enumerates tools, pokes endpoints with fun data. So.... Can Claude really use your MCP Server? PRs welcome, stars cure my impostor syndrome :)

Author
mattzcarey
Date
September 9, 2025
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