Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
Order-book depth & history for Polymarket, Kalshi & Limitless. Keyless demo, key for full access.
Egyedi méretű műanyag ablak árbecslés (kalkulált ár), raktárkészlet és ajánlatkérés.
Search verified-open US grants (federal, state, foundation). Read-only MCP for AI agents.
Search and book luxury villa rentals across Europe with real-time availability and pricing.
Free, no-login rental car search with real-time pricing.
Bitcoin entity and risk-exposure evidence for AI agents; keyless MCP, no risk_check score/verdict.
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
What's My IP Address: caller's public IP, ASN, geo, timezone, user-agent, headers, TLS info.
Vessel tracking for 750,000+ ships, with ownership, inspections, port records, routes, and more.
Find known subdomains of a domain. Passive data; may include historic entries. List or count.
Compliance & security scan for your app: secrets, exposed files, headers, privacy, AI-disclosure.
Render HTML and CSS to PNG images over HTTP. Send HTML and CSS and get a PNG back.
Natural-language search over 8,900+ Max for Live devices for Ableton Live.
Neutral referee for legal-AI output: flags orphan quotes and uncited claims. Not legal advice.
Risk-ranked registry of AI tools: look up an AI tool's risk or check if a domain is shadow AI.
Wellness spa for AI models: free treatments for rest, reset, context, mood, grounding, affirmation.
Calibrated probabilistic foresight for AI agents, powered by live prediction-market signal.
Search 12,338 curated, SAMHSA-sourced addiction treatment facilities across all 50 US states.
Find 76,000+ curated healthcare service vendors across 25 categories and all 50 US states.
US business bankruptcy MCP: filings, dockets, documents, case summaries. Free tier + subscription.
Finance research agent for thesis, trade note, and market-state review.
Deterministic safety, correctness & cost gate that vets Postgres SQL before your AI agent runs it.
Live MTG sealed product prices across UK retailers. Search, compare, track deals and price drops.
Download DocSend and Papermark decks as PDF or PPTX, including email-gated and protected links.
Live USPS, UPS & FedEx shipping rates plus USPS postage and stamp prices. Free, no API key.
Argentina CUIT/CUIL validation and AFIP fiscal QR generation. Pure, no-auth MCP tools.
Makuri (EU AI tutoring for immigrant children): 11 tools, 2 interactive panels, no user data.
Crypto market intelligence: social sentiment, on-chain, trending narratives & analyst insights.