{ "slug": "io-github-fizzl13-presign-guard-wallet", "name": "io.github.Fizzl13/presign-guard-wallet", "title": "presign-guard wallet", "description": "Agent wallet with limits: pays x402/MPP on Base, Solana, Tempo, XRPL and Algorand; phone approval.", "version": "0.29.0", "publishedAt": "2026-10-27T08:56:04.295406Z", "updatedAt": "2026-10-27T08:56:04.295406Z", "repoUrl": "https://github.com/Fizzl13/x402-examples", "websiteUrl": "https://wallet.fizzl.eu/demo", "namespace": { "type": "github", "owner": "Fizzl13" }, "kind": "both", "packages": [ { "registryType": "npm", "identifier": "presign-guard-wallet-mcp", "version": "0.29.0", "transport": "stdio", "runtimeHint": null } ], "remotes": [ { "type": "streamable-http", "url": "https://wallet.fizzl.eu/mcp" } ], "envVars": [ { "name": "AGENT_KEY", "isSecret": true, "isRequired": true, "description": "Private key of the agent's own wallet (a separate wallet holding only what the agent may spend)" }, { "name": "LIMIT_USDC_PER_TX", "isSecret": false, "isRequired": false, "description": "Most USDC per payment or transfer without asking you, e.g. 5" }, { "name": "LIMIT_USDC_PER_DAY", "isSecret": false, "isRequired": false, "description": "Daily USDC budget, e.g. 20" }, { "name": "TELEGRAM_BOT_TOKEN", "isSecret": true, "isRequired": false, "description": "Telegram bot that asks you to approve anything over a limit" }, { "name": "TELEGRAM_CHAT_ID", "isSecret": false, "isRequired": false, "description": "Your Telegram chat id (approvals go only there)" }, { "name": "AC2_OWNER", "isSecret": false, "isRequired": false, "description": "Instead of Telegram: your Algorand address; approvals are signed in your own wallet over AC2 (needs the AC2 service, ac2-cli, paired with your wallet)" }, { "name": "WALLET_SERVER_URL", "isSecret": false, "isRequired": false, "description": "Instead of LIMIT_* and TELEGRAM_*: a wallet server keeping one budget for all your agents" }, { "name": "WALLET_SERVER_KEY", "isSecret": true, "isRequired": false, "description": "The agent key (awk_…) from the wallet server's dashboard" }, { "name": "CHAIN", "isSecret": false, "isRequired": false, "description": "base (default), ethereum, optimism, arbitrum, polygon or bsc" }, { "name": "MAX_PAYMENT_USD", "isSecret": false, "isRequired": false, "description": "Most a single x402 API call may cost, in dollars (default 1)" }, { "name": "ALLOW_LIST", "isSecret": false, "isRequired": false, "description": "Optional: only pay or sign for these addresses (0x, XRPL r… or Algorand, comma-separated); anything else needs approval. Not with a wallet server" }, { "name": "PRESIGN_CREDIT_KEY", "isSecret": true, "isRequired": false, "description": "Optional presign-guard credit key (pgc_…) to pay the $0.01 checks from prepaid credits" }, { "name": "RPC_URL", "isSecret": false, "isRequired": false, "description": "Optional RPC URL for the chain" }, { "name": "TEMPO", "isSecret": false, "isRequired": false, "description": "off to never pay MPP charges on Tempo (default on: paid in USDC.e on Tempo from the same address)" }, { "name": "TEMPO_CHAIN", "isSecret": false, "isRequired": false, "description": "4217 (Tempo, default) or 42431 (Moderato testnet)" }, { "name": "TEMPO_RPC_URL", "isSecret": false, "isRequired": false, "description": "Optional Tempo RPC URL" }, { "name": "MPP_SESSION_DEPOSIT", "isSecret": false, "isRequired": false, "description": "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" }, { "name": "SOLANA_PRIVATE_KEY", "isSecret": true, "isRequired": false, "description": "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)" }, { "name": "SOLANA_NETWORK", "isSecret": false, "isRequired": false, "description": "mainnet (default) or devnet" }, { "name": "SOLANA_RPC_URL", "isSecret": false, "isRequired": false, "description": "Optional Solana RPC URL" }, { "name": "ALGORAND_MNEMONIC", "isSecret": true, "isRequired": false, "description": "Optional: the agent's own Algorand account (25 words); pays x402 offers in USDC on Algorand (counted toward the USDC limits)" }, { "name": "ALGORAND_NETWORK", "isSecret": false, "isRequired": false, "description": "mainnet (default) or testnet" }, { "name": "XRPL_SEED", "isSecret": true, "isRequired": false, "description": "Optional: the agent's own XRPL account seed; pays x402 offers in RLUSD on the XRP Ledger (counted toward the USDC limits)" }, { "name": "XRPL_NETWORK", "isSecret": false, "isRequired": false, "description": "mainnet (default) or testnet" }, { "name": "XRPL_WS_URL", "isSecret": false, "isRequired": false, "description": "Optional XRPL node websocket URL" } ], "category": "finance", "subcategory": "crypto", "company": "", "categoryAuto": true, "checks": [ { "id": "source-linked", "label": "Source repository linked", "result": "pass", "detail": "https://github.com/Fizzl13/x402-examples" }, { "id": "version-pinned", "label": "Version pinned", "result": "pass", "detail": "Every package has an explicit version" }, { "id": "https-remote", "label": "Remote uses HTTPS", "result": "pass", "detail": "All remote endpoints use https://" }, { "id": "secrets-requested", "label": "Secrets requested", "result": "warn", "detail": "Asks for 7 secrets: AGENT_KEY, TELEGRAM_BOT_TOKEN, WALLET_SERVER_KEY, PRESIGN_CREDIT_KEY, SOLANA_PRIVATE_KEY, ALGORAND_MNEMONIC, XRPL_SEED" }, { "id": "known-registry", "label": "Known package registry", "result": "pass", "detail": "All packages come from npm, PyPI, OCI, NuGet or MCPB" }, { "id": "namespace", "label": "Namespace ownership", "result": "info", "detail": "Name verified via GitHub account Fizzl13" }, { "id": "meta-text", "label": "Registry text aimed at the AI", "result": "pass", "detail": "Description and settings contain no hidden characters or instructions to the AI" }, { "id": "install-scripts", "label": "Install scripts", "result": "pass", "detail": "presign-guard-wallet-mcp@0.29.0 runs nothing at install" }, { "id": "code-flags", "label": "Code red flags", "result": "warn", "detail": "Reads browser or wallet data (lib.js:224: \"MetaMask\")" }, { "id": "ai-text", "label": "Text aimed at the AI", "result": "pass", "detail": "No hidden characters or instructions to the AI in 4 files, including comments and the README" } ], "scannedAt": "2026-10-29", "level": "Scanned", "install": [ { "label": "Claude Desktop (npm)", "kind": "claude_desktop_json", "text": "{\n \"mcpServers\": {\n \"presign-guard-wallet\": {\n \"command\": \"npx\",\n \"args\": [\n \"-y\",\n \"presign-guard-wallet-mcp@0.29.0\"\n ],\n \"env\": {\n \"AGENT_KEY\": \"\"\n }\n }\n }\n}" }, { "label": "Claude Code (streamable-http)", "kind": "claude_code_cli", "text": "claude mcp add --transport http presign-guard-wallet https://wallet.fizzl.eu/mcp" } ], "curated": true, "stars": 0, "archived": false, "pushedAt": "2026-10-28T22:21:18Z", "health": { "score": 57, "parts": { "popularity": 0.30697305491643606, "activity": 1, "issues": null, "security": 0.6 }, "fail": 0, "warn": 2, "raw": { "stars": 0, "forks": 0, "downloads": 1796, "hn": null, "issuesOpen": 2, "issuesClosed": 1, "prsMerged": 365, "commits90": 366, "release": "2026-10-15T07:15:32Z", "pushed": "2026-10-28T22:21:18Z", "growth": null, "growthDays": null, "archived": false }, "at": "2026-10-31T07:42:38.200Z" } }