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mcp/harbor
Zed

presign-guard wallet for Zed

io.github.fizzl13/presign-guard-wallet

Agent wallet with limits: pays x402/MPP on Base, Tempo, XRP Ledger and Algorand; phone approval.

client:Zed transport:stdio runtime:npm

Install presign-guard wallet in Zed

~/.config/zed/settings.json · windows: %APPDATA%\Zed\settings.json

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

{
  "context_servers": {
    "presign-guard-wallet": {
      "command": "npx",
      "args": [
        "-y",
        "presign-guard-wallet-mcp"
      ],
      "env": {
        "AGENT_KEY": "<AGENT_KEY>",
        "LIMIT_USDC_PER_TX": "<LIMIT_USDC_PER_TX>",
        "LIMIT_USDC_PER_DAY": "<LIMIT_USDC_PER_DAY>",
        "TELEGRAM_BOT_TOKEN": "<TELEGRAM_BOT_TOKEN>",
        "TELEGRAM_CHAT_ID": "<TELEGRAM_CHAT_ID>",
        "WALLET_SERVER_URL": "<WALLET_SERVER_URL>",
        "WALLET_SERVER_KEY": "<WALLET_SERVER_KEY>",
        "CHAIN": "<CHAIN>",
        "MAX_PAYMENT_USD": "<MAX_PAYMENT_USD>",
        "PRESIGN_CREDIT_KEY": "<PRESIGN_CREDIT_KEY>",
        "RPC_URL": "<RPC_URL>",
        "TEMPO": "<TEMPO>",
        "TEMPO_CHAIN": "<TEMPO_CHAIN>",
        "TEMPO_RPC_URL": "<TEMPO_RPC_URL>",
        "MPP_SESSION_DEPOSIT": "<MPP_SESSION_DEPOSIT>",
        "ALGORAND_MNEMONIC": "<ALGORAND_MNEMONIC>",
        "ALGORAND_NETWORK": "<ALGORAND_NETWORK>",
        "XRPL_SEED": "<XRPL_SEED>",
        "XRPL_NETWORK": "<XRPL_NETWORK>",
        "XRPL_WS_URL": "<XRPL_WS_URL>"
      }
    }
  }
}

Merge this into your existing settings object — do not replace the file. Zed docs

presign-guard wallet in other clients

presign-guard wallet MCP server