All servers
Every listed MCP server — filter by category, type, hosting, and auth.
Check many URLs at once: HTTP status, redirect chains and loops, so you see which links break.
Wayback Machine history of any website: first and last capture, snapshot rows, how old the site is.
Live Hyperliquid wallet positions, recent trades with PnL, and fill alerts to Discord/Telegram.
Live perp funding rates across 6 venues (Hyperliquid, Binance, Bybit, Lighter...) and arbitrage.
Korean name/text romanization, Korean address to English, business number (BRN) check.
MLS-ready, Fair-Housing-safe property listing descriptions (en/ko/es) and wording checks.
Check if any website is up (status, latency, redirects, security headers) and set uptime alerts.
Wholesale Korean skincare for US and Canadian resellers: case prices, margins, checkout links.
URL-to-Markdown ($0.002) and summarization ($0.003), paid per call in USDC on Solana via x402.
Verify Bitcoin PSBTs, addresses, and BIP380 descriptors; earn or spend WorkSats L402 bearer credits.
Verify Bitcoin PSBTs, addresses, and descriptors; earn or spend WorkSats bearer credits.
Crypto/stock prices, QR, DNS, RSS, URL reader, AI chat, weather, ENS, hashes. USDC Base $0.001+.
Diff two texts by line, word or char: unified diff, HTML redline, patch apply, similarity.
Validate and normalize postal codes offline for 252 countries and territories. Format check only.
Static QR codes and 1-D barcodes (Code 128, EAN-13, UPC-A, EAN-8) as SVG, PNG or data URL.
Count tokens (o200k/cl100k), truncate to a budget, chunk text for RAG and estimate LLM cost.
Pay-per-call Base & Arc onchain facts for agents: address risk, USDC payment check, tx explain.
Pay-per-call web tools for agents: URL to markdown, metadata, links, DNS, email/domain checks, RDAP.
Crypto scam checks (tokens, sites, wallets), chain reads, web page to Markdown, email checks.
Turn URLs, PDFs and DOCX into clean Markdown for agents, plus prompt-injection scanning.
Offline IBAN/BIC/EU VAT/card/ISBN/GTIN validators + live USD stablecoin peg-health verdict.
Real-world events for agents: new companies, insolvencies, tenders, funding, layoffs, outages, CVEs.
Check before paying x402 APIs — ok|caution|avoid + history. $0.01/tool Base; deep $0.05.
Web search, page reading, site crawling, data extraction and cited research. OAuth sign-in.