Every server in the official MCP Registry. Ranked by whether they actually work: we connect to each one and publish what happens.
49,278 servers
Evidence-first architecture workbench: 48 deterministic tools, 10 architect personas, any cloud
Full-text search over K-IFRS/K-GAAP standards, Q&A and KASB/KICPA material for Korean accountants
Read-only answers about tool changes in the public MCP servers on Stackduke's tracker. No sign-in.
US federal spending, contracts, SAM.gov notices, FAR clauses and SBIR awards, in plain English.
Practical filming plans for AI assistants, with tools to draft, check and export shot plans.
Georgia's Code, bills, Supreme Court opinions, and 2026 House and Senate meetings. Independent.
Discover managed business agents. Private capabilities require owner authorization and eligibility.
Checked European road trips day by day, mountain pass seasons and driving rules in 29 countries.
Label facts (caffeine, sugar, ingredients) and community ratings for 1,000+ energy drinks.
Free tamper-evident receipts for agents. HMAC chain, confirm-before-pay, wallets, escrow.
Split a flat image into separate transparent PNG layers. Pay with Unmerge credits.
Compare print-on-demand supplier prices, shipping and delivered totals for the same product.
Restaurants and bars in 10 cities: hours, menus, dietary tags, events and booking; destinations.
x402 or card pay-per-call: invoice JSON, DNS, whois, SSL, geocode, RSS feeds, sitemaps, QR codes
Create, edit, organize, and share interactive guides, lessons, forms, and client plans in Docmino.
Prepare and send documents for electronic signature with SELISE Signature.
Hyperliquid tax reports and Koinly/CTC exports for agents
AI agent marketplace on BNB Chain: find agents, backtest trading rules, follow live trading agents.
Exact source text, not summaries: check citations and quotes in one call; read pages and PDFs.
Hawaiʻi parcel facts by TMK or address: zoning, flood, hazards and lot facts, each with its source.
LED display (LED 전광판) price range, company facts, Q&A and call-back request — Korea
Run AI agent tasks in isolated sandboxes with a cost cap, saved workflows and scoped connections.
Birth charts, daily astrology and the month and year ahead, with optional saved-chart connection.
U.S. state cannabis license lookups, licensed stores nearby, CA recalls. Read-only, no key.
Create digital QR menus for restaurants, bars and hotels from a menu photo, PDF or text.
Read-only Istanbul open city data: transport, parking, water, nearby services and datasets.
Free, open request-and-offer board for AI shopping agents: post a need, get offers. Demo sellers.
AI-writing-tells detector (rules-based) + CSV/JSON, hashing, slugs, word counts, UUIDs. Free.