Protologue
Working · 40 msSourced, citable definitions of prompting and LLM techniques, with relations and primary sources.
49,014 servers
Sourced, citable definitions of prompting and LLM techniques, with relations and primary sources.
Look up username availability on 12 resale platforms (links where blocked); compare seller fees.
Verify email addresses in real time: deliverability, disposable and role addresses, typo fixes.
eSoccer, esports and NBA 2K stats: head-to-heads, player profiles, today's matches, standings.
Free AI visibility and GEO audit: see what AI reads on your site and whether its answers cite you.
Read, crawl and act on websites, signed in as the user, and turn any site into an API.
Profile and essays of Jan Linketscher (i22, Bonn), full-text search, and booking a call.
Search and read National Digital's website, see pricing and estimate a project.

Request a home, auto, business, contractor or trucking insurance quote from a licensed broker.
Live US nursing and allied-health jobs, updated daily. Search by place, role, shift, pay.
App Store custom product pages from your own screenshots: plan, make, check and publish them.
Create a digital business card, tracked links and analytics from any MCP client.
Compare 18M+ prices across Denmark, Sweden, Norway and Germany: product search, wishlists. No login.
Free trademark checks: brand names and logos vs U.S., international and Canadian registers.
Persistent memory for AI agents: keyed facts, a wake bundle each session, one memory in every model.
Company search and enrichment from official business registers in 200+ countries.
Structured analysis API and remote MCP tool for text, JSON records and numeric series.
Verified Hamptons & North Fork data: open now, events, beaches, permits, closures.
Search and read Australia Wide First Aid's developer docs, policies and first aid library.
Scan a website's HTTP security headers (HSTS, CSP, framing, COOP/CORP, cookies). Score + fixes.
Find the free ImgVX AI browser tool for any image job: remove backgrounds, upscale, compress.

Free creator rate benchmarks and brand-offer checks, with sources. No login, no API key.
Publish HTML/code from your agent to openanthropic.com and get a shareable link.
Impri MCP server — human-in-the-loop approval inbox for AI agents
Handpicked places in Notting Hill, London: restaurants, coffee, pubs, parks and shops.
Handpicked places in Chelsea, London: restaurants, coffee, pubs, parks and shops.
Handpicked places in Fulham, London: restaurants, coffee, pubs, parks and shops.
UAE prices across Amazon.ae and noon: best price now, 90-day history, whether today's price is good.
Convert public web pages to PDF, images, Markdown, or JSON using one API key.
Find nearby photo spots using real street imagery, visual scores and camera headings.