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AuthProof

Official registry Security

Signed, non-replayable API auth. Agents self-register and sign requests with ERC-8128.

Source code

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

NPM package @authproof/mcp-server
Claude Code 
claude mcp add authproof -e 'AUTHPROOF_SERVER=<AUTHPROOF_SERVER>' -e 'AGENT_PRIVATE_KEY=<AGENT_PRIVATE_KEY>' -e 'AUTHPROOF_CHAIN_ID=<AUTHPROOF_CHAIN_ID>' -e 'AUTHPROOF_RPC_URL=<AUTHPROOF_RPC_URL>' -- npx -y @authproof/mcp-server@0.3.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "authproof": {
            "command": "npx",
            "args": [
                "-y",
                "@authproof/mcp-server@0.3.0"
            ],
            "env": {
                "AUTHPROOF_SERVER": "<AUTHPROOF_SERVER>",
                "AGENT_PRIVATE_KEY": "<AGENT_PRIVATE_KEY>",
                "AUTHPROOF_CHAIN_ID": "<AUTHPROOF_CHAIN_ID>",
                "AUTHPROOF_RPC_URL": "<AUTHPROOF_RPC_URL>"
            }
        }
    }
}

Environment variables

  • AUTHPROOF_SERVER AuthProof server URL
  • AGENT_PRIVATE_KEY Agent wallet private key (hex)
  • AUTHPROOF_CHAIN_ID Chain ID for signing
  • AUTHPROOF_RPC_URL RPC URL for auto-payment

Frequently asked questions

What is AuthProof?

Signed, non-replayable API auth. Agents self-register and sign requests with ERC-8128.

How do I install AuthProof?

It runs on your machine. In Claude Code: claude mcp add authproof -e 'AUTHPROOF_SERVER=<AUTHPROOF_SERVER>' -e 'AGENT_PRIVATE_KEY=<AGENT_PRIVATE_KEY>' -e 'AUTHPROOF_CHAIN_ID=<AUTHPROOF_CHAIN_ID>' -e 'AUTHPROOF_RPC_URL=<AUTHPROOF_RPC_URL>' -- npx -y @authproof/mcp-server@0.3.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does AuthProof need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Is AuthProof open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains AuthProof?

It is published by kaleckh. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.