Real public/bank/school holiday lookup for 206 countries via a rule-based calendar engine (moveable holidays like Easter computed astronomically, not guessed). Priced per call via x402/USDC on Base.
An MCP server that exposes ISO 20022 postal-address classification, assessment, and remediation tools for AI agents, enabling them to prepare debtor/creditor addresses for the November 2026 structured-address cutover.
Real-time hydrological information retrieval service that provides water level, precipitation, dam discharge data, and observatory location information.
Tells your agent whether a number is safe to call or text right now. Live US/Canada phone data: carrier, line type, LRN, CNAM, spam/scam reputation, SMS deliverability, and TCPA 8am–9pm calling-window verdicts, plus bulk jobs. Every query is a fresh network dip, never stale cache. Free sandbox key, no card required. Pay per lookup, no minimums.
An MCP server that provides a unified API to access multiple AI models and Chinese compliance tools, including ad keyword detection, GEO visibility checks, and SEO scanning.
Keyless MCP exchanger for AI agents — pay an exact amount to one deposit address, EMC delivered to any address. USDT(Tron) > EMC. Live at https://swap.emercoin.com/mcp
Remote MCP server with 21 tools: 10 Domain Dossier checks (DNS, MX, SPF, DMARC, DKIM, TLS, redirects, headers, CORS, web-surface) plus 10 developer utilities (base64, JWT decode, DNS lookup, UUID v4/v7, URL encode/decode, JSON format, User-Agent parse, IP lookup) and a dossier_full aggregate. Served over Streamable HTTP.
Read-only MCP server for Sui blockchain analytics with 44 tools covering wallets, DeFi, NFTs, token prices, transactions, fund tracing, pools, staking, Move decompilation, and MVR name resolution.
23 agent tools: DEX token prices, liquidity, slippage, gas and arbitrage across BNB Chain, Polygon, Arbitrum, Base, Avalanche and Optimism, plus geocoding, weather, web search, URL-to-Markdown, RSS, IP geolocation, holidays, GLEIF LEI lookup and the US Treasury yield curve. 22 are free with no API key, wallet or signup. One paid cross-DEX spread tool pays from your wallet, with hard spend caps.
Gives Claude 8 real-world tools via a single free API key: SSL certificate inspection, WHOIS lookup, email validation (syntax + MX + disposable detection), webpage screenshots, IP geolocation, currency conversion, schema markup generation, and UK business-day calculations. Python, pip install forevertools-mcp, MIT licensed.
UK address (Royal Mail PAF), email, and phone (live HLR carrier) validation via the Postio API. Six tools: address search, postcode lookup, UDPRN, email validate, phone validate, and a health probe.
The official WhoisXML API MCP server: 32 first-party tools for WHOIS, DNS, IP geolocation, threat intel, typosquatting, email verification, and native bulk — in Claude, Cursor, VS Code, or any MCP client.