Agent402 — pay-per-call web tools MCP Server

Name: Agent402 — pay-per-call web tools MCP Server
Author: io.github.MikeyPetrillo

io.github.MikeyPetrillo/agent402

Repository Registry

What is the Agent402 — pay-per-call web tools MCP server?

1,308 paid agent tools + 42 multi-tool skill packs. USDC on Base or free via proof-of-work.

How to install Agent402 — pay-per-call web tools

Copy-paste configuration for popular MCP clients.

transport: stdio

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

Environment / auth

AGENT_KEY
secret
Hex private key of a wallet funded with USDC on Base. Unset = proof-of-work mode (free pure-CPU tools).
AGENT402_BUDGET
Optional hard cap on total USDC spent per session (e.g. 1.00). Refused before any payment is signed.
AGENT402_MAX_PER_CALL
Optional max USD price for any single call (e.g. 0.01).

Claude Desktop

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

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_BUDGET": "<YOUR_AGENT402_BUDGET>",
        "AGENT402_MAX_PER_CALL": "<YOUR_AGENT402_MAX_PER_CALL>"
      }
    }
  }
}

Cursor

~/.cursor/mcp.json

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_BUDGET": "<YOUR_AGENT402_BUDGET>",
        "AGENT402_MAX_PER_CALL": "<YOUR_AGENT402_MAX_PER_CALL>"
      }
    }
  }
}

Windsurf

~/.codeium/windsurf/mcp_config.json

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_BUDGET": "<YOUR_AGENT402_BUDGET>",
        "AGENT402_MAX_PER_CALL": "<YOUR_AGENT402_MAX_PER_CALL>"
      }
    }
  }
}

VS Code

.vscode/mcp.json

{
  "servers": {
    "agent402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_BUDGET": "<YOUR_AGENT402_BUDGET>",
        "AGENT402_MAX_PER_CALL": "<YOUR_AGENT402_MAX_PER_CALL>"
      }
    }
  }
}

Claude Code

claude mcp add agent402 --env AGENT_KEY=<YOUR_AGENT_KEY> --env AGENT402_BUDGET=<YOUR_AGENT402_BUDGET> --env AGENT402_MAX_PER_CALL=<YOUR_AGENT402_MAX_PER_CALL> -- npx -y agent402-mcp