Utilities MCP servers

Clean Markdown extraction, 1200 DPI vector SVGs, and multi-modal capsules for agents.

日本の住所⇄郵便番号を変換。表記ゆれも吸収。Japan address ⇄ postal code, handles messy input. Free tier, no API key.

Screenshot/PDF/HTML rendering API. API key or x402 required — keyless access disabled.

10 pay-per-call tools for AI agents: QR, screenshots, DNS, OCR, PDF, email & more. USDC on Base.

Clockchain®: neutral verified network time for AI agents (get_time). Testnet.

31 deterministic tools: JSON→Zod, regex, JWT, curl→fetch, hashing, encoding, UUIDs, encrypted links

Chinese almanac: lunar calendar, BaZi 八字, daily 宜忌, lucky-day picker, public holidays.

Business-day, SLA, cron and recurrence calculations — offline, holiday-aware, no network.

Sourced, dated US home-energy program truth by ZIP.

Verifiable random decisions, audit sampling, fair selection, and proof verification using QnEvt.

39 Japanese locale APIs — wareki, NTA invoice, 法人番号, postal, romanization, kanji-kana (Workers AI).

12 free tools: PDF, OCR, QR codes, audio transcription, URL scraping, Excel, Word. No key needed.

MCP server for aerospace calculations: orbital mechanics, ephemeris, DSN operations, ...

Parse user agents — browser, OS, device, bot detection. x402 micropayment.

Developer toolkit: UUID, timestamp, unit conversion, JSON tools, and QR code (SVG). Free.

OCR local Windows : PDF scannes, photos et captures vers texte, plus allegement d'images

Free local micro-APIs: markdown cleaner, JSON validator, CSV-to-JSON, agent-config secret auditor.

A time server that keeps your AI honest about time. Real clock + drift guard, zero dependencies.

Markdown to PDF: headings, bold, code, lists, rules. A4/Letter/Legal. Free 30/hr. MCP + REST.

Negotiation math engine. Pareto frontier, counteroffer generation, zero LLM tokens.

Reference data API for classification systems, real-time world data, and unit conversions

China holidays and lunar calendar lookup, solar-to-lunar conversion and yearly schedule.

QR & barcode toolkit: generate, decode, vector SVG, logo QR, WiFi and vCard QR codes.

Public holiday data for 30+ countries. Check holidays, working days and calendars via AI assistants.

Generate QR codes with custom colors, logos, vCards, and WiFi configs.

Generate friendly greetings for any audience. Toggle Pirate Mode for a playful, swashbuckling styl…

Open-source Windows MCP server for AI assistants. File, clipboard, screenshot, process & power mgmt.

Extract text and tables from PDFs, merge documents, and get metadata.