X402 MCP Server BY Milza MCP Server

by jannis-eio.github.Jannis-E/x402-mcp-serverv1.0.5

Pay-per-call x402 tools on Base: web extract/render, burn-once secret vault, chart, GeoTIFF

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Active17d ago

Install X402 MCP Server BY Milza MCP server

claude mcp add x402-mcp-server-by-milza -e BASE_PRIVATE_KEY='<base-private-key>' -- npx -y x402-mcp-server_by_milza

{
  "mcpServers": {
    "x402-mcp-server-by-milza": {
      "command": "npx",
      "args": [
        "-y",
        "x402-mcp-server_by_milza"
      ],
      "env": {
        "BASE_PRIVATE_KEY": "<base-private-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "x402-mcp-server-by-milza": {
      "command": "npx",
      "args": [
        "-y",
        "x402-mcp-server_by_milza"
      ],
      "env": {
        "BASE_PRIVATE_KEY": "<base-private-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "x402-mcp-server-by-milza": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "x402-mcp-server_by_milza"
      ],
      "env": {
        "BASE_PRIVATE_KEY": "<base-private-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "x402-mcp-server-by-milza": {
      "command": "npx",
      "args": [
        "-y",
        "x402-mcp-server_by_milza"
      ],
      "env": {
        "BASE_PRIVATE_KEY": "<base-private-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
BASE_PRIVATE_KEY	yes	yes	0x-prefixed EVM private key, wallet funded with Base USDC -- signs EIP-3009 payments locally.

Freshness

Active — last maintenance signal 17d ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-09-23 · 17d ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-09-23 · 17d ago · official registry · v1.0.5

FAQ

›How do I install the X402 MCP Server BY Milza MCP server in Claude Code?

Run: claude mcp add x402-mcp-server-by-milza -e BASE_PRIVATE_KEY='<base-private-key>' -- npx -y x402-mcp-server_by_milza. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does X402 MCP Server BY Milza require an API key?

Yes. It expects BASE_PRIVATE_KEY, of which 1 is a secret.

›Can I use X402 MCP Server BY Milza as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is X402 MCP Server BY Milza in the official MCP registry?

Yes, as io.github.Jannis-E/x402-mcp-server.