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mcp/harbor
Windsurf

Shinjuku Shielded for Windsurf

io.github.shinjukustaition/shinjuku-mcp

Private x402 payments on Solana: shield, pay, and unshield USDC under caps you set.

client:Windsurf transport:stdio runtime:npm

Install Shinjuku Shielded in Windsurf

~/.codeium/windsurf/mcp_config.json · windows: %USERPROFILE%\.codeium\windsurf\mcp_config.json

Held in this page only — never stored, logged, or sent anywhere but back to your screen. 

{
  "mcpServers": {
    "shinjuku-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "shinjuku-shielded"
      ],
      "env": {
        "SHIELDED_WALLET_HOME": "<SHIELDED_WALLET_HOME>",
        "SHIELDED_WALLET_PASSPHRASE": "<SHIELDED_WALLET_PASSPHRASE>"
      }
    }
  }
}

Global only — Windsurf has no per-project MCP config. Refresh Cascade after saving. Windsurf docs

Shinjuku Shielded in other clients

Shinjuku Shielded MCP server