mcp-tool-schema-fuzzer

mizcausevic-dev/mcp-tool-schema-fuzzer

★ 0 stars TypeScript Code/Dev Tools Updated today

Generate adversarial test cases from an MCP tools/list: valid-minimal, missing-required, wrong-type, extra-field, boundary, enum-violation. Each carries an expected accept/reject verdict you can replay against the server.

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Quick Install

Copy the config for your editor. Some servers may need additional setup — check the README.

Add to claude_desktop_config.json:

{
  "mcpServers": {
    "mcp-tool-schema-fuzz": {
      "command": "npx",
      "args": [
        "-y",
        "mizcausevic-dev/mcp-tool-schema-fuzzer"
      ]
    }
  }
}

README Excerpt

Generate **adversarial test cases** from an MCP `tools/list` — `valid-minimal`, `missing-required`, `wrong-type`, `extra-field`, `boundary` (min/max + below/above), `enum-violation` — each carrying an **expected accept/reject verdict** you can replay against the server to check input-validation behavior.

Topics

clifuzzergovernancejson-schemamcpmodel-context-protocolsecuritytestingtypescript

mcp-tool-schema-fuzzer

Quick Install

README Excerpt

Topics

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