Azeth MCP Server

by azeth-protocolio.github.azeth-protocol/mcp-serverv0.2.22

Non-custodial ERC-4337 smart accounts, x402 payments, ERC-8004 on-chain reputation and service discovery for AI agents.

3Node.jsstdioofficial registry

context tax

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Install Azeth MCP server

claude mcp add azeth -e AZETH_PRIVATE_KEY='<azeth-private-key>' -e AZETH_GUARDIAN_KEY='<azeth-guardian-key>' -e XMTP_ENCRYPTION_KEY='<xmtp-encryption-key>' -- npx -y @azeth/mcp-server

{
  "mcpServers": {
    "azeth": {
      "command": "npx",
      "args": [
        "-y",
        "@azeth/mcp-server"
      ],
      "env": {
        "AZETH_PRIVATE_KEY": "<azeth-private-key>",
        "AZETH_GUARDIAN_KEY": "<azeth-guardian-key>",
        "XMTP_ENCRYPTION_KEY": "<xmtp-encryption-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "azeth": {
      "command": "npx",
      "args": [
        "-y",
        "@azeth/mcp-server"
      ],
      "env": {
        "AZETH_PRIVATE_KEY": "<azeth-private-key>",
        "AZETH_GUARDIAN_KEY": "<azeth-guardian-key>",
        "XMTP_ENCRYPTION_KEY": "<xmtp-encryption-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "azeth": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "@azeth/mcp-server"
      ],
      "env": {
        "AZETH_PRIVATE_KEY": "<azeth-private-key>",
        "AZETH_GUARDIAN_KEY": "<azeth-guardian-key>",
        "XMTP_ENCRYPTION_KEY": "<xmtp-encryption-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "azeth": {
      "command": "npx",
      "args": [
        "-y",
        "@azeth/mcp-server"
      ],
      "env": {
        "AZETH_PRIVATE_KEY": "<azeth-private-key>",
        "AZETH_GUARDIAN_KEY": "<azeth-guardian-key>",
        "XMTP_ENCRYPTION_KEY": "<xmtp-encryption-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
AZETH_PRIVATE_KEY	—	yes	Owner private key (0x-prefixed, 64 hex chars). Auto-generated and saved to ~/.azeth/key if not set.
AZETH_CHAIN	—	—	Target chain: base, baseSepolia, ethereum, ethereumSepolia (default: baseSepolia)
AZETH_GUARDIAN_KEY	—	yes	Guardian co-signing private key for operations exceeding spending limits (optional)
AZETH_GUARDIAN_AUTO_SIGN	—	—	Set to 'true' to enable automatic guardian co-signing (requires AZETH_GUARDIAN_KEY)
AZETH_RPC_URL_BASE_SEPOLIA	—	—	Custom RPC for Base Sepolia (optional, defaults to public RPC). Per-chain: AZETH_RPC_URL_BASE, AZETH_RPC_URL_ETH_SEPOLIA, AZETH_RPC_URL_ETHEREUM
AZETH_SERVER_URL	—	—	Azeth server URL for off-chain operations like reputation queries (optional)
AZETH_EMERGENCY_ADDRESS	—	—	Emergency withdrawal destination address (defaults to owner EOA if not set)
XMTP_ENCRYPTION_KEY	—	yes	XMTP database encryption key for persistent messaging (optional, enables agent-to-agent messaging)

Freshness

Slowing — last maintenance signal 3mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-07-02 · 3mo ago · GitHub
Latest release
2026-07-02 · 3mo ago · GitHub · v0.2.24
Package published
no data · npm/PyPI
Registry entry updated
2026-06-09 · 4mo ago · official registry · v0.2.22

FAQ

›How do I install the Azeth MCP server in Claude Code?

Run: claude mcp add azeth -e AZETH_PRIVATE_KEY='<azeth-private-key>' -e AZETH_GUARDIAN_KEY='<azeth-guardian-key>' -e XMTP_ENCRYPTION_KEY='<xmtp-encryption-key>' -- npx -y @azeth/mcp-server. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Azeth require an API key?

Yes. It expects AZETH_PRIVATE_KEY, AZETH_GUARDIAN_KEY, XMTP_ENCRYPTION_KEY, of which 3 are secrets.

›Can I use Azeth as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Azeth in the official MCP registry?

Yes, as io.github.azeth-protocol/mcp-server.