Smart accounts, x402 payments, on-chain reputation, and service discovery for AI agents
Connect Runs on your machine
claude mcp add mcp-server -e AZETH_PRIVATE_KEY=<AZETH_PRIVATE_KEY> -e AZETH_CHAIN=<AZETH_CHAIN> -e AZETH_GUARDIAN_KEY=<AZETH_GUARDIAN_KEY> -e AZETH_GUARDIAN_AUTO_SIGN=<AZETH_GUARDIAN_AUTO_SIGN> -e AZETH_RPC_URL_BASE_SEPOLIA=<AZETH_RPC_URL_BASE_SEPOLIA> -e AZETH_SERVER_URL=<AZETH_SERVER_URL> -e AZETH_EMERGENCY_ADDRESS=<AZETH_EMERGENCY_ADDRESS> -e XMTP_ENCRYPTION_KEY=<XMTP_ENCRYPTION_KEY> -- npx -y @azeth/[email protected]{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@azeth/[email protected]"
],
"env": {
"AZETH_PRIVATE_KEY": "<AZETH_PRIVATE_KEY>",
"AZETH_CHAIN": "<AZETH_CHAIN>",
"AZETH_GUARDIAN_KEY": "<AZETH_GUARDIAN_KEY>",
"AZETH_GUARDIAN_AUTO_SIGN": "<AZETH_GUARDIAN_AUTO_SIGN>",
"AZETH_RPC_URL_BASE_SEPOLIA": "<AZETH_RPC_URL_BASE_SEPOLIA>",
"AZETH_SERVER_URL": "<AZETH_SERVER_URL>",
"AZETH_EMERGENCY_ADDRESS": "<AZETH_EMERGENCY_ADDRESS>",
"XMTP_ENCRYPTION_KEY": "<XMTP_ENCRYPTION_KEY>"
}
}
}
}{
"mcpServers": {
"mcp-server": {
"command": "npx",
"args": [
"-y",
"@azeth/[email protected]"
],
"env": {
"AZETH_PRIVATE_KEY": "<AZETH_PRIVATE_KEY>",
"AZETH_CHAIN": "<AZETH_CHAIN>",
"AZETH_GUARDIAN_KEY": "<AZETH_GUARDIAN_KEY>",
"AZETH_GUARDIAN_AUTO_SIGN": "<AZETH_GUARDIAN_AUTO_SIGN>",
"AZETH_RPC_URL_BASE_SEPOLIA": "<AZETH_RPC_URL_BASE_SEPOLIA>",
"AZETH_SERVER_URL": "<AZETH_SERVER_URL>",
"AZETH_EMERGENCY_ADDRESS": "<AZETH_EMERGENCY_ADDRESS>",
"XMTP_ENCRYPTION_KEY": "<XMTP_ENCRYPTION_KEY>"
}
}
}
}{
"servers": {
"mcp-server": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@azeth/[email protected]"
],
"env": {
"AZETH_PRIVATE_KEY": "<AZETH_PRIVATE_KEY>",
"AZETH_CHAIN": "<AZETH_CHAIN>",
"AZETH_GUARDIAN_KEY": "<AZETH_GUARDIAN_KEY>",
"AZETH_GUARDIAN_AUTO_SIGN": "<AZETH_GUARDIAN_AUTO_SIGN>",
"AZETH_RPC_URL_BASE_SEPOLIA": "<AZETH_RPC_URL_BASE_SEPOLIA>",
"AZETH_SERVER_URL": "<AZETH_SERVER_URL>",
"AZETH_EMERGENCY_ADDRESS": "<AZETH_EMERGENCY_ADDRESS>",
"XMTP_ENCRYPTION_KEY": "<XMTP_ENCRYPTION_KEY>"
}
}
}
}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
| Name | Description |
|---|---|
AZETH_PRIVATE_KEYOptional, secret | Owner private key (0x-prefixed, 64 hex chars). Auto-generated and saved to ~/.azeth/key if not set. |
AZETH_CHAINOptional | Target chain: base, baseSepolia, ethereum, ethereumSepolia (default: baseSepolia) |
AZETH_GUARDIAN_KEYOptional, secret | Guardian co-signing private key for operations exceeding spending limits (optional) |
AZETH_GUARDIAN_AUTO_SIGNOptional | Set to 'true' to enable automatic guardian co-signing (requires AZETH_GUARDIAN_KEY) |
AZETH_RPC_URL_BASE_SEPOLIAOptional | 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_URLOptional | Azeth server URL for off-chain operations like reputation queries (optional) |
AZETH_EMERGENCY_ADDRESSOptional | Emergency withdrawal destination address (defaults to owner EOA if not set) |
XMTP_ENCRYPTION_KEYOptional, secret | XMTP database encryption key for persistent messaging (optional, enables agent-to-agent messaging) |
Details
| Package | @azeth/[email protected] (NPM, stdio) |
| First published | 9 Jun 2026 |
| Last updated | 9 Jun 2026 |
| Registry name | io.github.azeth-protocol/mcp-server |
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