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Proof Holdings MCP server

by ProofHoldings · holdings.proof/mcp-server

One API, all things verified — control, delegation, human approval, anti-impersonation.

📦 OtherRemotenpmv1.8.0
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How to install Proof Holdings

Remote (http)

claude mcp add --transport http mcp-server https://api.proof.holdings/mcp

Or add it to your MCP config (Claude Desktop, Cursor, VS Code):

{
  "mcpServers": {
    "mcp-server": {
      "type": "http",
      "url": "https://api.proof.holdings/mcp"
    }
  }
}

npm

claude mcp add mcp-server -- npx -y @proof-holdings/[email protected]

Or add it to your MCP config (Claude Desktop, Cursor, VS Code):

{
  "mcpServers": {
    "mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "@proof-holdings/[email protected]"
      ]
    }
  }
}

Environment variables:
PROOF_API_KEY – Proof Holdings API key (Bearer). Optional: without it the server runs in public mode, where account creation, login and public verification tools work and every other tool asks for a key. Create one in the dashboard at https://proof.holdings. Or run `npx @proof-holdings/mcp-server login` in a terminal: it signs in, confirms on a second channel and saves a key in ~/.proof-holdings/credentials, which the server uses when this variable is unset (this variable wins when set). Either is read at startup and has no runtime setter, so restart the server after logging in.
PROOF_BASE_URL – API base URL. Defaults to https://api.proof.holdings.

Replace placeholders in <angle brackets> with your own values. Review what a server can access before you enable it.

Details

Version
1.8.0
Published
2026-11-05
Updated
2026-11-05
Namespace
holdings.proof
Source
ProofHoldings/mcp-server

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