Navi X402 MCP Server

by mobileappbyharisio.github.mobileappbyharis/navi-x402-mcpv1.0.1

Paid agent tools, zero API keys: crypto, weather, translation, web intel, x402 discovery (USDC/Base)

0Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Slowing4mo ago

Install Navi X402 MCP server

claude mcp add navi-x402 -e X402_PRIVATE_KEY='<x402-private-key>' -- npx -y navi-x402-mcp

{
  "mcpServers": {
    "navi-x402": {
      "command": "npx",
      "args": [
        "-y",
        "navi-x402-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "navi-x402": {
      "command": "npx",
      "args": [
        "-y",
        "navi-x402-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "servers": {
    "navi-x402": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "navi-x402-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "navi-x402": {
      "command": "npx",
      "args": [
        "-y",
        "navi-x402-mcp"
      ],
      "env": {
        "X402_PRIVATE_KEY": "<x402-private-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
X402_PRIVATE_KEY	yes	yes	Private key of the paying wallet (USDC on Base mainnet). Signs x402 payment authorizations locally.
MAX_PRICE_USDC	—	—	Per-call price ceiling in USDC (default 0.05).

Freshness

Slowing — last maintenance signal 4mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-06-11 · 4mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-06-10 · 4mo ago · official registry · v1.0.1

FAQ

›How do I install the Navi X402 MCP server in Claude Code?

Run: claude mcp add navi-x402 -e X402_PRIVATE_KEY='<x402-private-key>' -- npx -y navi-x402-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Navi X402 require an API key?

Yes. It expects X402_PRIVATE_KEY, of which 1 is a secret.

›Can I use Navi X402 as a remote (hosted) MCP server?

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

›Is Navi X402 in the official MCP registry?

Yes, as io.github.mobileappbyharis/navi-x402-mcp.