presign-guard wallet MCP Server

What the code does

We read the source, 23 h ago · rules ccca72095570

Found in continuous integration, deployment or infrastructure files, or in a neighbouring package of the same monorepo. None of this is installed when you add the server: it describes how the project is built and released. We list it because a leaked key in a build pipeline is still a real problem, but it is not something this server does on your machine.

    with open(os.path.join(HERE, args.script)) as f:

    p = subprocess.run([ffmpeg, "-i", path], capture_output=True, text=True)

const API = "https://api.telegram.org";

  "bytecode": "0x610100604052348015610010575f80fd5b506040516107c83803806107c883398101604081905261002f916100ba565b6001600160a01b038416158061004c57506001600160a01b038316155b80610055575081155b8061006257506201518081105b15610080576040516301f30c8760e21b815260040160405180910390fd5b60016…

    finally { b.disabled = false; b.innerHTML = label; }

Is this your server and something here is wrong? Tell us — corrections are free and do not require a plan.

Connect this server

This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.

claude mcp add presign-guard-wallet -- npx -y presign-guard-wallet-mcp

{
  "mcpServers": {
    "presign-guard-wallet": {
      "args": [
        "-y",
        "presign-guard-wallet-mcp"
      ],
      "command": "npx"
    }
  }
}

[mcp_servers.presign-guard-wallet]
command = "npx"
args = ["-y", "presign-guard-wallet-mcp"]

{
  "mcpServers": {
    "presign-guard-wallet": {
      "args": [
        "-y",
        "presign-guard-wallet-mcp"
      ],
      "command": "npx"
    }
  }
}

{
  "mcpServers": {
    "presign-guard-wallet": {
      "args": [
        "-y",
        "presign-guard-wallet-mcp"
      ],
      "command": "npx"
    }
  }
}

This one needs environment variables set before it will start: AGENT_KEY (Private key of the agent's own wallet (a separate wallet holding only what the agent may spend)), LIMIT_USDC_PER_TX (Most USDC per payment or transfer without asking you, e.g. 5), LIMIT_USDC_PER_DAY (Daily USDC budget, e.g. 20), TELEGRAM_BOT_TOKEN (Telegram bot that asks you to approve anything over a limit), TELEGRAM_CHAT_ID (Your Telegram chat id (approvals go only there)), WALLET_SERVER_URL (Instead of LIMIT_* and TELEGRAM_*: a wallet server keeping one budget for all your agents), WALLET_SERVER_KEY (The agent key (awk_…) from the wallet server's dashboard), CHAIN (base (default), ethereum, optimism, arbitrum, polygon or bsc), MAX_PAYMENT_USD (Most a single x402 API call may cost, in dollars (default 1)), ALLOW_LIST (Optional: only pay or sign for these addresses (0x, XRPL r… or Algorand, comma-separated); anything else needs approval. Not with a wallet server), PRESIGN_CREDIT_KEY (Optional presign-guard credit key (pgc_…) to pay the $0.01 checks from prepaid credits), RPC_URL (Optional RPC URL for the chain), TEMPO (off to never pay MPP charges on Tempo (default on: paid in USDC.e on Tempo from the same address)), TEMPO_CHAIN (4217 (Tempo, default) or 42431 (Moderato testnet)), TEMPO_RPC_URL (Optional Tempo RPC URL), MPP_SESSION_DEPOSIT (Optional: pay MPP sessions on Tempo; the USDC.e each channel deposit or top-up puts in (counted toward the USDC limits); then each call is a signed voucher), SOLANA_PRIVATE_KEY (Optional: the agent's own Solana secret key (base58 or solana-keygen byte array); pays x402 offers in USDC on Solana (checked by presign-guard, counted toward the USDC limits)), SOLANA_NETWORK (mainnet (default) or devnet), SOLANA_RPC_URL (Optional Solana RPC URL), ALGORAND_MNEMONIC (Optional: the agent's own Algorand account (25 words); pays x402 offers in USDC on Algorand (counted toward the USDC limits)), ALGORAND_NETWORK (mainnet (default) or testnet), XRPL_SEED (Optional: the agent's own XRPL account seed; pays x402 offers in RLUSD on the XRP Ledger (counted toward the USDC limits)), XRPL_NETWORK (mainnet (default) or testnet), XRPL_WS_URL (Optional XRPL node websocket URL). The author declared them in the registry entry; get the values from the project itself.