A-Pay Protocol MCP

A-Pay Protocol provides an autonomous economic settlement layer for AI agents, enabling machine-to-machine micropayments via HTTP 402. It allows agents to discover, consume, and pay for data, compute, APIs, and micro-services on Base L2 without human intervention, credit cards, or seed phrase friction.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by neuralaisofficial-lang

Vendor documentation

What you can do with it

Enable AI agents to pay for API access via HTTP 402 challenges
Set up autonomous micro-wallets with spending guardrails
Integrate micropayment capabilities into Claude Desktop or Cursor
Protect websites or APIs with instant crypto paywall proxies

Source and maintenance

Community listingRegistry 0.1.8

mcp-registry: io.github.neuralaisofficial-lang/apay@0.1.8 Source repository

Maintenance checked: Nov 1, 2026, 4:29 AM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

apay 0.1.8

pypi

apay package definition

{
  "version": "0.1.8",
  "transport": "stdio",
  "identifier": "apay",
  "registryType": "pypi",
  "packageArguments": [
    {
      "type": "positional",
      "value": "mcp"
    }
  ],
  "environmentVariables": [
    {
      "name": "APAY_PRIVATE_KEY",
      "format": "string",
      "description": "Agent private key for signing EIP-712 payment authorizations (auto-generates non-custodial session wallet if omitted)"
    },
    {
      "name": "APAY_NETWORK",
      "format": "string",
      "default": "base-mainnet",
      "description": "Base network (base-mainnet or base-sepolia)"
    },
    {
      "name": "APAY_CURRENCY",
      "format": "string",
      "default": "DUAL",
      "description": "Preferred payment token (USDC, APAY, or DUAL)"
    },
    {
      "name": "APAY_MAX_PER_CALL",
      "format": "string",
      "default": "0.05",
      "description": "Maximum allowed spend per single HTTP 402 request in USDC (default: 0.05)"
    },
    {
      "name": "APAY_DAILY_BUDGET",
      "format": "string",
      "default": "2.0",
      "description": "Maximum 24-hour spending limit in USDC (default: 2.00)"
    }
  ]
}

Tools

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No tool definitions available.

Connect from your client

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Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "a-pay-protocol-mcp": {
      "command": "uvx",
      "args": [
        "apay==0.1.8",
        "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>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "a-pay-protocol-mcp": {
      "command": "uvx",
      "args": [
        "apay==0.1.8",
        "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>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "a-pay-protocol-mcp": {
      "type": "stdio",
      "command": "uvx",
      "args": [
        "apay==0.1.8",
        "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>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "a-pay-protocol-mcp": {
      "command": "uvx",
      "args": [
        "apay==0.1.8",
        "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>"
      }
    }
  }
}

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