448 servers in Utilities
Pay-per-call MCP tools and signed on-chain attestations: 20 free/day, then $0.01+ via x402 or a key.
178 tools for text, PDF, documents, calculators, images, audio and video. Nothing is stored.
Web standards and time reference for agents: HTTP codes, retries, deadlines. Paid via x402.
x402 FX, time, weather, US NWS alerts, HN, holidays, geocoding for agents.
Cloud GPU prices per hour, plus developer helpers: hash, HMAC, JWT, IDs, JSON, cron, time zones.
CO₂ estimates for general-aviation flying: by aircraft and hours, by fleet, or by fuel.
Text to WIA Braille (pronunciation-based, not a national code), BRF output and checks, Nemeth math.
Make shape-free 2D codes (WIA Code) and convert coordinates to and from WIA Pin Codes.
Free styled QR codes, no key: URL, WiFi, contact, text, email. API key adds saved codes + analytics.
Free deterministic PDF, Markdown, citation, invisible-character, and formatting cleanup for agents.
160+ calculators: take-home pay for 166 countries, mortgage, loan, VAT, BMI, dates, units, currency.
Free equipment tools: cost per hour, repair vs replace, compliance, VIN, recalls, manuals.
Recalls, known issues, and honest maintenance costs for any US-market vehicle since 1990.
Styled, print-ready QR codes for links, text, email or phone, with frames and custom colors.
Render HTML, URLs, and templates to PDF. AI drafts templates and fixes them from logs.
Cloud PDF generation from HTML, CSS and XSL-FO, with PDF/A and PDF/UA support.
Fabric shrinkage from a swatch wash test, and how much fabric to buy before washing.
Developer utilities MCP server: base64, hash, slug, uuid v4, timestamp, urlencode. Free, no key.
PDF tools + QR over MCP: merge, split, rotate, text, metadata, malicious-content scan.
Swimming pool math: volume in gallons, chemical doses, pump flow and heater BTU for any pool.
China MCP gateway hosting HTTP APIs for Doubao/Tongyi/Wenxin/Claude; weather, currency, holiday.
x402 agent tools: invoice/PDF extract, OCR, email risk, web to markdown, domain, FX, time
Quantum optimization (QAOA) for factory decisions, post-quantum signed and anchored on chain.
Documents and web for AI agents: PDF parse, OCR, web extract, invoice checks. x402, no API key.
Free read-only tools: Market402 x402 index search, operator track records, PDF price quotes.