MCP servers for ChatGPT

Freelance hourly-rate calculator with break-even and what-if scenarios.

Connect AI assistants to Brazil's endurance ecosystem: races, training knowledge, and content.

Checks whether a property in England is in a council's selective or HMO licensing scheme

US rental listings for AI assistants: free live search and rent statistics, plus licensed feeds.

Pay-per-call DNS, WHOIS, domain age, TLS, email auth, blocklists, IP intel. Free samples.

How ChatGPT, Gemini, Perplexity and Google AI name your brand, cite sources and rank rivals.

Free proxy list, live proxy checker and IP lookup for AI agents. No key, nothing to install.

Lint hreflang: codes, x-default, self-reference, canonical, return links. Never fetches URLs.

Hreflangly: the site's own MCP server — dataset; every answer cites the site.

Control visible, persistent Hronaut browser workspaces through a local MCP connection.

Health professional shortage areas and community health centers

Generate images and PDFs from HTML/CSS, live websites, and reusable templates.

HTML h1 count, markup discarded

Meaning of HTTP 100.

Meaning of HTTP 101.

Meaning of HTTP 103.

Meaning of HTTP 307.

Meaning of HTTP 400.

Meaning of HTTP 401.

Meaning of HTTP 412.

Meaning of HTTP 414.