kcp-harness MCP Server: Install & Setup

Install kcp-harness in Claude Code

Claude Code

claude mcp add kcp-harness-kcp-compliance-proxy -- npx -y kcp-harness

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "kcp-harness-kcp-compliance-proxy": {
      "command": "npx",
      "args": [
        "-y",
        "kcp-harness"
      ]
    }
  }
}

Frequently asked questions

What does the kcp-harness MCP server do?

MCP compliance proxy between agent and tools: deterministic governance, fail-closed, audit trail.

Is the kcp-harness MCP server free?

Yes, most likely. Open source and no paid account or API key is mentioned in the listing. Check the provider for current pricing.

Does kcp-harness run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add kcp-harness to Claude Code?

Run: claude mcp add kcp-harness-kcp-compliance-proxy -- npx -y kcp-harness

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