Agent402.Tools: pay-per-call web tools

AI Agents npmStreamable HTTP v0.13.19

Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work

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Install

Pin version registry version 0.13.19

npm
npx -y agent402-mcp

npm
npx -y agent402-mcp@0.13.19

Streamable HTTP
https://agent402.tools/mcp

Setup by client

Pick your client — the config below is generated for this server (both local and hosted-endpoint forms). Copy respects the “Pin version” switch above.

claude_desktop_config.json

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp@0.13.19"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

Remote (hosted) endpoint

https://agent402.tools/mcp

Claude Desktop: Settings → Connectors → Add custom connector, paste this URL.

Format verified against the official Claude Desktop docs ↗.

terminal

claude mcp add --env AGENT_KEY=<YOUR_AGENT_KEY> --env AGENT402_CREDITS_KEY=<YOUR_AGENT402_CREDITS_KEY> --env SOLANA_AGENT_KEY=<YOUR_SOLANA_AGENT_KEY> agent402 -- npx -y agent402-mcp

claude mcp add --env AGENT_KEY=<YOUR_AGENT_KEY> --env AGENT402_CREDITS_KEY=<YOUR_AGENT402_CREDITS_KEY> --env SOLANA_AGENT_KEY=<YOUR_SOLANA_AGENT_KEY> agent402 -- npx -y agent402-mcp@0.13.19

terminal

claude mcp add --transport http agent402 https://agent402.tools/mcp

Format verified against the official Claude Code docs ↗.

.cursor/mcp.json

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp@0.13.19"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

.cursor/mcp.json (hosted endpoint)

{
  "mcpServers": {
    "agent402": {
      "url": "https://agent402.tools/mcp"
    }
  }
}

Format verified against the official Cursor docs ↗.

.vscode/mcp.json

{
  "servers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

{
  "servers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp@0.13.19"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

.vscode/mcp.json (hosted endpoint)

{
  "servers": {
    "agent402": {
      "type": "http",
      "url": "https://agent402.tools/mcp"
    }
  }
}

Format verified against the official VS Code docs ↗.

mcp_config.json

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

{
  "mcpServers": {
    "agent402": {
      "command": "npx",
      "args": [
        "-y",
        "agent402-mcp@0.13.19"
      ],
      "env": {
        "AGENT_KEY": "<YOUR_AGENT_KEY>",
        "AGENT402_CREDITS_KEY": "<YOUR_AGENT402_CREDITS_KEY>",
        "SOLANA_AGENT_KEY": "<YOUR_SOLANA_AGENT_KEY>"
      }
    }
  }
}

mcp_config.json (hosted endpoint)

{
  "mcpServers": {
    "agent402": {
      "serverUrl": "https://agent402.tools/mcp"
    }
  }
}

Format verified against the official Windsurf docs ↗.

Environment variables

Defined in the server's official registry manifest. Required secrets are shown as <YOUR_…> placeholders in the configs above.

AGENT_KEY secret — Hex private key of an EVM wallet funded with USDC on any EVM rail the server offers (Base, Polygon, Arbitrum, Monad, Celo, Avalanche, Sei, Optimism, Arc) or USDG on Robinhood Chain; use SOLANA_AGENT_KEY for Solana. Stell
AGENT402_BUDGET — Optional hard cap on total USD spent per session (e.g. 1.00; unset or off = no session cap). Enforced on the payment that is signed.
AGENT402_MAX_PER_CALL — Max USD price for any single call (default 4; e.g. 0.05; off disables). Enforced on the payment that is signed.
AGENT402_CREDITS_KEY secret — Prepaid card-credits key (a402_...) already issued; new credits are not on sale. With it set and no wallet key, every tool except the wallet-scoped ones (memory, usage) is debited from the key; the list price is debited
SOLANA_AGENT_KEY secret — Optional base58 (or JSON byte-array) secret key of a Solana wallet funded with USDC on Solana.
AGENT402_NETWORKS — Optional: restrict and order the chains to pay on (e.g. "base,solana" or a CAIP-2 like eip155:4663).

GitHub

⭐ 41 stars · 最近更新于 15 天前 · AGPL-3.0 license

About this server

Agent402: 500+ tools, metered models and finished reports for AI agents Live at agent402.tools . The paid door for AI agents: 500+ tools, metered models and finished reports, paid per call in USDC over x402 and MPP, or by card. The applied layer of Agentic Finance. Open source, self hostable, MCP na…

Summary from the project README — github.com/MikeyPetrillo/Agent402

Distributed as npm, Streamable HTTP, listed under AI Agents. Review our MCP security guide before granting access to real data.

Frequently asked questions

What does the Agent402.Tools: pay-per-call web tools MCP server do?

How do I install Agent402.Tools: pay-per-call web tools?

Run the install command shown above, then paste the config for your client (Claude Desktop, Claude Code, Cursor, VS Code or Windsurf) into its MCP settings and restart the client.

Is Agent402.Tools: pay-per-call web tools free to use?

The MCP server itself is free to install. The source is public on https://github.com/MikeyPetrillo/Agent402. Any third-party service it calls may require its own API key and account.

Which clients support Agent402.Tools: pay-per-call web tools?

Any MCP-compatible client can use it, including Claude Desktop, Claude Code, Cursor, VS Code, Windsurf and custom agents.

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