MCP Server

A-Pay Protocol MCP Server

io.github.neuralaisofficial-lang/apay

Repository Registry

What is the A-Pay Protocol MCP server?

Universal HTTP 402 Micropayment Protocol & Autonomous Economic Settlement Engine for AI Agents

How to install A-Pay Protocol

Copy-paste configuration for popular MCP clients.

transport: stdio

Config generated by PluginBench — verify against the source before use.

Environment / auth

APAY_PRIVATE_KEY
secret
Agent private key for signing EIP-712 payment authorizations (auto-generates non-custodial session wallet if omitted)
APAY_NETWORK
Base network (base-mainnet or base-sepolia)
APAY_CURRENCY
Preferred payment token (USDC, APAY, or DUAL)
APAY_MAX_PER_CALL
Maximum allowed spend per single HTTP 402 request in USDC (default: 0.05)
APAY_DAILY_BUDGET
Maximum 24-hour spending limit in USDC (default: 2.00)

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "apay": {
      "command": "uvx",
      "args": [
        "apay",
        "mcp"
      ],
      "env": {
        "APAY_PRIVATE_KEY": "<YOUR_APAY_PRIVATE_KEY>",
        "APAY_NETWORK": "<YOUR_APAY_NETWORK>",
        "APAY_CURRENCY": "<YOUR_APAY_CURRENCY>",
        "APAY_MAX_PER_CALL": "<YOUR_APAY_MAX_PER_CALL>",
        "APAY_DAILY_BUDGET": "<YOUR_APAY_DAILY_BUDGET>"
      }
    }
  }
}