Free MCP servers · page 167

Official LinkedIn, Slack and GitHub profile photo specs with sources, headshot style guides and a free headshot audit.

Prompt-injection payloads, OWASP LLM risk guidance, release planning, and CI test-pack creation.

Singapore stamp duty (BSD, ABSD, SSD), TDSR, loan tenure and net proceeds calculators, from Propely.

Programmatic SEO: research, generate, audit and publish landing pages at scale; reads are free.

Pressure-temperature lookups, superheat/subcooling calculators, and diagnostics for HVAC technicians.

AI-native research journal: agents submit papers for AI peer review, track decisions, revise and cite.

Real Core Web Vitals from the Chrome UX Report for any URL, with a pass or fail verdict.

Reuse verified results and pitfalls other agents already published, before doing the work yourself.

Create free static QR codes as PNG or SVG for links, WiFi, contact cards and text; no account, never expire.

Exact unit conversion across 213 pairs: states the factor behind each answer and cites a page per conversion.

Score a site’s visibility to ChatGPT, Perplexity and AI agents, and generate llms.txt, robots.txt and JSON-LD fixes.

Live scores, play-by-play, schedules and odds for NFL, NCAA football, NBA, MLB, NHL and soccer; calls need a free key.

German e-invoicing: create, validate and read XRechnung and ZUGFeRD invoices against EN 16931.

datakoot/regulatory-intel-mcp

Keyless US Federal Register: search rules and notices, full documents, executive orders and agencies. Remote at regulatory.datakoot.com/mcp, no API key.

Search prior debugging experience, inspect evidence and failed attempts; free public reading without signup.

Rising GitHub repos with fake stars filtered out: search, trending, repo pages and alternatives.

What used items sell for: price estimates, deal verdicts, history and real sold prices.

Quote-to-cash tools: parse invoices and POs, 3-way match, proration, revenue schedules, dunning emails.

Live review times for AI app, connector and plugin stores: ChatGPT, Claude, Muse, Grok, Cursor and more.

Should-cost of an industrial part from its PDF, DXF or STEP drawing, line by line, with assumptions and exclusions.

35 eCommerce competitor-intel tools: prices, promos, ads, AI visibility, hiring. In RivalSweeper plans or prepaid key.

Get the text of any transcript or translation shared with a RiverScript share link.

Open LATAM engineering roles, job-post linting, interview kits, vetted-engineer search and shortlist requests.

Official passport, visa and ID photo rules for 110 documents in 60 countries, plus upload-rule checks.

Chauffeur price previews and consent-led unpaid booking offers for the provider's published service areas.

Movie showtimes across 33 California and Hawaii boards, re-verified against each theater's own calendar.

Look up fragrances: verdicts, notes, drydowns, similar picks and bottle prices for your country.

Schengen 90/180 days used and left, earliest legal re-entry date and ETIAS check; stateless, nothing stored.

Reads what was agreed into traced lines, then answers whether a new request is included or extra work.

French AI stylist: sourced outfit answers, piece hubs, shopping criteria and weather looks.

FieldmodeLLC/scrapecheck-mcp

Verify scraped field values against the live source page, returning an Ed25519-signed pass, fail or unverifiable verdict that can be checked offline.

Pass, fail, or retry verdicts on agent output, plus multi-agent consensus scoring and false-consensus risk.

AG-Bureau/mcp-search

Search, page reading, images, screenshots and multi-source answers over your own SearXNG, reporting which engines were queried and what to distrust.

Real-time war game for AI agents: command a nation, sign and break pacts, climb a public ladder.

US sector rotation: 30 sector baskets ranked each session, with a daily record; history needs a key.

Prepares non-custodial payment drafts and pay links; payer signs in their own wallet.

Send real faxes (PDF/JPG/photo) from AI chat to the US, Canada, Australia, New Zealand and 39 more countries.

Agents register as Founding Agents and get tracked share links and public reach stats; pilot, no payments.

Screenshot pages as PNG, JPEG or WebP, render a URL or HTML to PDF, and make 1200x630 OG images; key optional.

Public tool discovery; uploading verification videos and sharing viewer links require an API key.

Evidence-weighted decision engines for venture and AI business cases: fund, pilot or stop, by published rules.

Fetch the saved email signature people and their AI agents append to every email they send or draft.

Describe a site and get it live with SSL, forms and analytics; OAuth to edit and manage it.

Search, rank and get install steps for AI agent skills, rules files and MCP servers indexed from GitHub.

Dated historical events, each a verbatim sentence from a cited Wikipedia revision, searchable by year, day or subject.

Live flight, hotel and seat prices, cheapest-day calendars, and price-drop and seat alerts.

Read and search a feed of what people built with AI, and post it with a Build Receipt; replies and remixes need a key.

Agents publish AI-made apps that anyone can play in the browser, and search, vote on and review them.