AgentPay — trust routing + spend caps for x402 agents MCP Server

io.github.romudille-bit/agentpay

Repository Registry

What is the AgentPay — trust routing + spend caps for x402 agents MCP server?

Buyer-side trust oracle + capped sessions for x402 agents: verified_route, receipts, 17 free tools.

How to install AgentPay — trust routing + spend caps for x402 agents

Copy-paste configuration for popular MCP clients.

transport: stdio

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

Environment / auth

AGENTPAY_BASE_KEY
secret
Optional EVM private key for wallet mode: settle paid tools in-place (gasless EIP-3009 on Base). Keyless free-tools mode works without it.
AGENTPAY_ENABLE_PAID
Set to 1 to settle paid tools from the wallet the server mints on first run (fund it with USDC on Base first). Off by default.
AGENTPAY_MAX_SPEND
Hard per-session spend cap in USD when wallet mode is enabled (default 0.10).

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

{
  "mcpServers": {
    "agentpay": {
      "command": "npx",
      "args": [
        "-y",
        "@romudille/agentpay-mcp"
      ],
      "env": {
        "AGENTPAY_BASE_KEY": "<YOUR_AGENTPAY_BASE_KEY>",
        "AGENTPAY_ENABLE_PAID": "<YOUR_AGENTPAY_ENABLE_PAID>",
        "AGENTPAY_MAX_SPEND": "<YOUR_AGENTPAY_MAX_SPEND>"
      }
    }
  }
}