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MPP32 MCP Server

MPP32 MCP Server is an MCP server that adds finance tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Payment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call. It has 221 GitHub stars, is released under the MIT license and runs locally with npx -y mpp32-mcp-server.

github.com/MPP32/MPP32 (opens in a new tab)

  • Needs API key
  • Finance
  • MIT
  • Actively maintained
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Install MPP32 MCP Server

Generated from the server's MCP registry entry. Replace your-value with your own values.

Claude Desktop

claude_desktop_config.json
{
  "mcpServers": {
    "mpp32-mcp-server": {
      "command": "npx",
      "args": [
        "-y",
        "mpp32-mcp-server"
      ],
      "env": {
        "MPP32_AGENT_KEY": "your-value",
        "MPP32_SOLANA_PRIVATE_KEY": "your-value",
        "MPP32_PRIVATE_KEY": "your-value"
      }
    }
  }
}

Settings > Developer > Edit Config. macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\. Restart Claude Desktop afterwards.

Claude Code

claude mcp add --env MPP32_AGENT_KEY=your-value --env MPP32_SOLANA_PRIVATE_KEY=your-value --env MPP32_PRIVATE_KEY=your-value --transport stdio mpp32-mcp-server -- npx -y mpp32-mcp-server

Cursor

.cursor/mcp.json
{
  "mcpServers": {
    "mpp32-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mpp32-mcp-server"
      ],
      "env": {
        "MPP32_AGENT_KEY": "your-value",
        "MPP32_SOLANA_PRIVATE_KEY": "your-value",
        "MPP32_PRIVATE_KEY": "your-value"
      }
    }
  }
}

Project file; use ~/.cursor/mcp.json to enable it in every project.

VS Code

.vscode/mcp.json
{
  "inputs": [
    {
      "type": "promptString",
      "id": "mpp32_agent_key",
      "description": "MPP32_AGENT_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "mpp32_solana_private_key",
      "description": "MPP32_SOLANA_PRIVATE_KEY",
      "password": true
    },
    {
      "type": "promptString",
      "id": "mpp32_private_key",
      "description": "MPP32_PRIVATE_KEY",
      "password": true
    }
  ],
  "servers": {
    "mpp32-mcp-server": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mpp32-mcp-server"
      ],
      "env": {
        "MPP32_AGENT_KEY": "${input:mpp32_agent_key}",
        "MPP32_SOLANA_PRIVATE_KEY": "${input:mpp32_solana_private_key}",
        "MPP32_PRIVATE_KEY": "${input:mpp32_private_key}"
      }
    }
  }
}

Config formats checked against the official docs on Oct 7, 2026: modelcontextprotocol.io (opens in a new tab), code.claude.com (opens in a new tab), cursor.com (opens in a new tab), code.visualstudio.com (opens in a new tab).

Environment variables

Variables the server reads at startup.

NameRequiredDescription
MPP32_AGENT_KEYsecretNoSession key from https://mpp32.org/agent-console. Unlocks the full federated catalog and attributes every call to your dashboard. Optional in legacy mode…
MPP32_SOLANA_PRIVATE_KEYsecretNoSolana private key used to sign x402 USDC payments locally. Only needed when calling paid services that prefer x402. Stays on your machine, never sent to…
MPP32_PRIVATE_KEYsecretNoEthereum L2 private key used to sign Tempo pathUSD payments locally. Optional fallback for paid services when x402 is not available. Stays on your machine…
MPP32_API_URLNoOverride the API base URL for custom deployments. Defaults to https://mpp32.org.

About MPP32 MCP Server

One install. Pay any x402 endpoint on Solana from your agent. Browse a federated index of thousands of machine payable APIs without setting up a single provider account.

  • bun
  • defi
  • hono
  • machine-payments-protocol
  • oracle
  • react
  • solana
  • token-intelligence
  • typescript

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FAQ

MPP32 MCP Server FAQ

Still curious? Email info@appsgit.com.

What is MPP32 MCP Server?

MPP32 MCP Server is an MCP server that adds finance tools to AI assistants such as Claude Desktop, Claude Code and Cursor. Payment layer for AI agents. One MCP, five protocols, thousands of paid APIs your agent can call. It has 221 GitHub stars, is released under the MIT license and runs locally with npx -y mpp32-mcp-server. The source code is at github.com/MPP32/MPP32.

How do I install the MPP32 MCP Server MCP server?

Add the command npx -y mpp32-mcp-server to your MCP client: put it in claude_desktop_config.json for Claude Desktop, run claude mcp add for Claude Code, or add it to .cursor/mcp.json (Cursor) or .vscode/mcp.json (VS Code). The snippets on this page are ready to paste.

Is MPP32 MCP Server free?

The server is open source under the MIT license, so running it is free. It needs credentials (MPP32_AGENT_KEY, MPP32_SOLANA_PRIVATE_KEY and MPP32_PRIVATE_KEY) for the service it connects to, which may require a paid account.

Is MPP32 MCP Server actively maintained?

The most recent commit was on Aug 4, 2026. The latest release is v1.0.0, published Apr 5, 2026. appsgit only lists MCP servers with a commit in the last six months and re-checks every server daily.