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mcp/harbor
Cursor

Attest proxy for Cursor

io.github.dev-prathap/attest-proxy

Zero-code proxy: policy, human gate, read-back and a hash-chained ledger for any MCP server.

client:Cursor transport:stdio runtime:pypi

Install Attest proxy in Cursor

~/.cursor/mcp.json · windows: %USERPROFILE%\.cursor\mcp.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "attest-proxy": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "attestlayer"
      ],
      "env": {
        "ATTEST_POLICY": "<ATTEST_POLICY>",
        "ATTEST_LEDGER": "<ATTEST_LEDGER>",
        "ATTEST_INBOX_URL": "<ATTEST_INBOX_URL>",
        "SLACK_BOT_TOKEN": "<SLACK_BOT_TOKEN>",
        "ATTEST_SLACK_CHANNEL": "<ATTEST_SLACK_CHANNEL>"
      }
    }
  }
}

Use .cursor/mcp.json in a project root instead to scope it to that project. Cursor merges both. Cursor docs

Attest proxy in other clients

Attest proxy MCP server