PluginBench
MCP Server

Witness MCP Server

io.github.tfitzgerwitness/witness

What is the Witness MCP server?

Production proofs for breaking JSON Schema/MCP changes; UNKNOWN/NO_WITNESS_FOUND not compatible.

How to install Witness

Copy-paste configuration for popular MCP clients.

transport: http
Config generated by PluginBench — verify against the source before use.
~/.cursor/mcp.json
{
  "mcpServers": {
    "witness": {
      "url": "https://witness-contractwitness-production.witness-test.workers.dev/mcp"
    }
  }
}

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