Databases

20 free dev tools: JSON/YAML, XML/SQL, Cron, SEO, QR code, URL shortener, cron tasks, files

Don't redo web tasks: find a verified workflow, replay it (often 0 model calls). Failures shown.

49 developer tools via MCP: DNS, WHOIS, IP lookup, JWT, hashing, QR, and more.

Baking unit conversion (cups/grams/temp/recipe scaling). convert_amount, convert_temperature

Scan any website for AI agent readiness, payment protocols, and discovery endpoints

Lookups over an unofficial Family Guy database: episodes, seasons, characters, cast, crew and facts.

Free perfume and fragrance API and MCP server for AI assistants, built on Scento's verified perfume database: notes, scent families, similar perfumes, raw materials and houses, each answer linked to a page on scento.com. Covers 1,600+ designer and niche perfumes, 400+ raw materials and 160+ perfume…

RabbitMQ + Elasticsearch + MySQL Stack Generator

Search MCP servers in the public mcp-catalog.ru directory.

Elasticsearch + MongoDB + Redis Stack Generator (Elasticsearch/Elasticsearch)

Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.

Ask an agent why a PHP site is slow: every request with its SQL, HTTP calls, errors and N+1.

Massa de teste brasileira válida: CPF, CNPJ, cartão, conta e mais, em CSV, JSON, SQL ou Excel.

Verified cloud storage provider facts: prices, storage, encryption. Dated and source-cited.

Government tenders, contract awards, buyers and suppliers from official sources in 60+ countries.

Search and vet SEC-registered financial advisors: profiles, disclosures, firm fees, credentials.

Official MCP bridge to Exogram—the Personal AI Agent for your work, people, and life.

100 tools: JSON repair, CSV, hashes, cron, dates, units, validators. 25 free calls.

Find B2B leads with verified work emails, find and verify emails, and run cold email outreach.

US ultramarathons: dates, places, distances, elevation, prices. Every value cited.