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Security

Proof CLI (unofficial)

io.github.tsarlewey/proof-cli ยท v0.4.1

Notarize, e-sign, and verify identity with the Proof API. Unofficial; not affiliated with Proof.

Source code Set it up

Connect Runs on your machine

Terminal
claude mcp add proof-cli -e PROOF_API_KEY=<PROOF_API_KEY> -e PROOF_API_ENDPOINT=<PROOF_API_ENDPOINT> -- docker run -i --rm ghcr.io/tsarlewey/proof-cli:0.4.1
claude_desktop_config.json
{
  "mcpServers": {
    "proof-cli": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/tsarlewey/proof-cli:0.4.1"
      ],
      "env": {
        "PROOF_API_KEY": "<PROOF_API_KEY>",
        "PROOF_API_ENDPOINT": "<PROOF_API_ENDPOINT>"
      }
    }
  }
}
~/.cursor/mcp.json
{
  "mcpServers": {
    "proof-cli": {
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/tsarlewey/proof-cli:0.4.1"
      ],
      "env": {
        "PROOF_API_KEY": "<PROOF_API_KEY>",
        "PROOF_API_ENDPOINT": "<PROOF_API_ENDPOINT>"
      }
    }
  }
}
.vscode/mcp.json
{
  "servers": {
    "proof-cli": {
      "type": "stdio",
      "command": "docker",
      "args": [
        "run",
        "-i",
        "--rm",
        "ghcr.io/tsarlewey/proof-cli:0.4.1"
      ],
      "env": {
        "PROOF_API_KEY": "<PROOF_API_KEY>",
        "PROOF_API_ENDPOINT": "<PROOF_API_ENDPOINT>"
      }
    }
  }
}

Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.

Tools

This server runs locally, so its tools are listed by your MCP client once it starts.

Environment variables

NameDescription
PROOF_API_KEY
Required, secret		Proof API key (https://dev.proof.com/docs/api-keys)
PROOF_API_ENDPOINT
Optional		API base URL. Defaults to production; use https://api.fairfax.proof.com for the sandbox.

Details

Packageghcr.io/tsarlewey/proof-cli:0.4.1 (OCI, stdio)
First published7 Nov 2026
Last updated7 Nov 2026
Registry nameio.github.tsarlewey/proof-cli

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