Nightshift Labs: link, token & signature pre-checks

dev.workers.nightshift-labs.nightshift-x402/agent-safety · v1.0.1 · crypto-web3

Nightshift Labs: link, token & signature pre-checks is healthy: it completed an MCP handshake in 1059 ms and exposes 18 tools.

Paid x402 pre-checks for agents: phishing links, Base tokens, EIP-712 permits, calldata, DNS.

Endpoint: https://nightshift-x402.nightshift-labs.workers.dev/mcp (streamable-http)

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Facts

Users (last 30 days)0
HandshakeHealthy
Auth neededNone
Tool count18
Latency1059 ms
Last checked (UTC)2026-11-06T03:10:45.231Z

Health history

Checked (UTC)StatusLatencyError
2026-11-06T03:10:45.231ZHealthy1059

Tools (18)

base_token_checkBase token safety pre-check: name/symbol/decimals/supply, owner and renounce status, proxy implementation, privileged functions found in bytecode (mint, blacklist, pause, fee setters, upgrade) and a heuristic risk level. Call before buying or accepting an unknown token on Base. Price: $0.01 USDC on
base_token_priceLive USD price of any ERC-20 token on Base from on-chain DEX quotes (Uniswap v3 0.05/0.3/1% pools and Aerodrome, against USDC and WETH; WETH converted with Chainlink ETH/USD). Returns the best executable route, every route's price, the price impact of selling $1,000, and flags for thin liquidity or
base_balanceBase wallet balances: native ETH and USDC for any address, with the block number they were read at. Price: $0.005 USDC on Base per call (x402).
base_txDecode a Base transaction: status, block time, from/to, ETH value, fee, method selector and every ERC-20 transfer with symbol and human amount. Flags fake look-alike tokens (address-poisoning, e.g. a fake USDC with homoglyph characters). Price: $0.005 USDC on Base per call (x402).
domain_email_checkDomain DNS and email-security check: A/AAAA, NS, MX (incl. null MX), SPF, DMARC policy, CAA, plus a list of issues and a 0-100 email security score. Use before sending email to or trusting a domain. Price: $0.005 USDC on Base per call (x402).
evm_decode_calldataDecode EVM transaction calldata before signing: finds the function signature (signature DB, verified by re-encoding to reject selector collisions), decodes all arguments, expands multicall batches, and warns about unlimited token approvals, approve-all-NFTs, permits, ownership changes and upgrades.
evm_typed_data_checkCheck an EIP-712 signature request BEFORE signing (the JSON passed to eth_signTypedData_v4): detects ERC-2612 Permit, DAI permit, Uniswap Permit2 (allowance + transfer) and Seaport orders, explains in one line what the signature grants, and flags drainer patterns: unlimited allowances, spender that
base_gasBase gas snapshot: gas price, base fee, priority fee, 10-block base-fee trend, ETH/USD (Chainlink) and estimated USD cost of an ETH transfer, ERC-20 transfer, swap and contract deploy right now. Price: $0.005 USDC on Base per call (x402).
ens_resolveResolve ENS and Basenames (name.eth, name.base.eth): name → address, or address → primary name with forward verification, plus text records (avatar, description, url, twitter, github, email). Price: $0.005 USDC on Base per call (x402).
domain_whoisDomain registration lookup (RDAP, the official WHOIS successor): registration date and age in days, expiry, registrar and its abuse email, EPP status, nameservers, DNSSEC, and flags for brand-new (<30 days) or young domains, punycode/IDN names and expiring domains. Use to vet links, senders and coun
domain_dnsDNS lookup in one call: A, AAAA, CNAME, MX, TXT, NS and CAA records with TTLs (or just the types you ask for), NXDOMAIN status, DNSSEC validation, plus parsed hints: SPF record, CAA certificate issuers and which services the domain is verified with (TXT verification tokens). Resolved via DNS-over-HT
web_security_headersWebsite security-headers audit: follows redirects (SSRF-guarded) and grades the final page A–F on HSTS, Content-Security-Policy (script-src unsafe-inline/eval/wildcards), clickjacking protection, nosniff, Referrer-Policy, Permissions-Policy, COOP, version-leaking Server/X-Powered-By headers and cook
base_portfolioBase wallet portfolio: ETH plus 12 major Base tokens (USDC, USDbC, DAI, EURC, WETH, cbETH, wstETH, cbBTC, AERO, DEGEN, VIRTUAL, BRETT) with non-zero balances, USD values from Chainlink ETH/USD and BTC/USD feeds, and a total. Price: $0.01 USDC on Base per call (x402).
x402_preflightx402 seller preflight: check a paid endpoint BEFORE paying it. Fetches it unpaid, parses the 402 (v2 payment-required header or v1 body) and checks every payment option: scheme, network/testnet, asset is real native USDC on Base, EIP-712 extra.name/version match the token on-chain (prevents invalid_
wallet_screenWallet / counterparty screen before you send funds or accept a payer: OFAC SDN sanctioned-address check (EVM list, refreshed from the 0xB10C OFAC dataset), address type (EOA, EIP-7702 delegated, contract, token contract), Base and Ethereum tx counts, ETH/USDC balances on Base, burn-address detection
web_brandBrand kit from a website: site name, logo candidates (JSON-LD logo, header/home-link image, inline SVG logo, apple-touch-icon/favicons, og:image), theme-color, CSS brand variables (--primary/--brand/--accent), dominant colors ranked by CSS frequency (non-neutral first), fonts (Google Fonts + CSS fon
web_link_checkLink / URL phishing pre-check before an agent opens, clicks or forwards a link: brand look-alikes (typosquats, homoglyphs, brand in subdomain), punycode and mixed-script hosts, credentials-in-URL tricks, high-abuse TLDs, domain age via RDAP (new domains flagged), DNS resolution and the full redirect
web_extractFetch any public web page and return clean Markdown of the main content plus title, meta description, word count and absolute links. Strips scripts, navigation and boilerplate. Good for feeding pages to an LLM. Price: $0.005 USDC on Base per call (x402).