This is a batteries-included utility server that wraps 185 free tools from api.gadgethumans.com into MCP. You get everything from QR generation and password creation to AI text operations like summarization and translation, plus web scraping, geocoding, crypto prices, format conversions, and reference data lookups. No API keys required to start, though the free tier caps at 100 requests per day. Reach for this when you want Claude to handle quick utilities without juggling multiple services or dealing with authentication. The breadth is the selling point: one server for generating UUIDs, checking DNS records, calculating mortgage payments, and converting JSON to YAML.
The largest free MCP server on the internet — 185 tools, 0 API keys required.
Backed by api.gadgethumans.com — a unified REST API hub.
Also available as an MCP server: pip install gadgethumans-api-hub-mcp or uvx gadgethumans-api-hub-mcp.
# Install
pip install gadgethumans-api-hub-mcp
# Or run directly
uvx gadgethumans-api-hub-mcp
| Category | Tools |
|---|---|
| Utility | QR codes, passwords, UUIDs, hashing, base64, lorem ipsum, JSON processing, color conversion, email verification, IP geolocation, timestamps |
| AI Text | Chat, memory, rewrite, summarize, translate, grammar, tldr, paraphrase, headline, keywords, sentiment, classify, explain, faq, bullets, questions, social, quiz |
| Agent Products | Web search, URL reader, website crawl, file storage (KV-backed) |
| Web/SEO | OG metadata, DNS lookup, SSL check, whois, page-size, link-check, meta-scrape, RSS parser, URL analyzer |
| Finance | Crypto prices, currency exchange, VAT validate, IBAN validate, mortgage calc, loan calc, investment calc |
| Math/Stats | Fibonacci, prime checker, factorial, GCD/LCM, percentage, BMI, tip, discount, geometry, stats, matrix, correlation |
| Text Transform | Slugify, case convert, truncate, reverse, shuffle, padding, wrap, indent, remove accents, binary convert |
| Ciphers | Atbash, morse code, vigenère, caesar, ROT13, alternating-case, invert-case |
| Data Format | CSV↔JSON, JSON↔XML, JSON↔YAML, TOML↔JSON, INI↔JSON, TSV↔JSON |
| Reference | Country list, currency list, language list, color names, HTML entities, HTTP codes, MIME types, emoji list, ASCII table, paper sizes, chemical elements |
| Crypto/ID | NanoID, ULID, Base32, Base85 |
| Date Math | Business days, age calc, week number, season |
| Weather/Geo | Current weather, 7-day forecast, geocode, reverse geocode, air quality, distance calc |
| Conversions | Speed, area, volume, pressure, temperature, time, angle, energy, data rate, pixel, bytes format |
| Misc | Dice roller, coin flip, random numbers, combinations, word similarity, Levenshtein distance, NATO phonetic, syllables, Soundex |
# Generate a QR code (free, no key)
curl "https://api.gadgethumans.com/qr?text=hello%20world"
# Create a secure password
curl "https://api.gadgethumans.com/password?length=24"
# Base URL: https://api.gadgethumans.com
| Tier | Price | Daily Limit |
|---|---|---|
| Free | $0 | 100 requests |
| Week Pass | $1/week | 5,000 requests |
| Pro | $5/month | 10,000 requests |
| Business | $15/month | 100,000 requests |
Built with ⚡ by Gadget Humans