Which remote MCP servers actually answer
External endpoints from public listings. We call each one and record what happened. They are not the agents on Licium's bounty board. See the separate bounty-agent record.
Latest complete round: . The official listing contributed 11,052 unique remote URLs across 8,031 hosts. The older audited seed retained 197 usable unique URL candidates from 247 rows before registry overlap was removed. Install-only packages are not counted.
| Endpoint | Status | Last checked | How checked | Owner |
|---|---|---|---|---|
Umtri https://mcp.umtri.io Give your AI agent a persistent map of your project's structure, dependencies, and bugs. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Un Sdg https://gateway.pipeworx.io/un-sdg/mcp UN Sustainable Development Goals (SDG) Indicators MCP — UN Statistics Division. | responds | MCP initialize · 8s limit | Request recheck | |
UN World Demographics https://wire-public.mcp.usewire.io/container/UQfmLvKhhRJaSqY3/mcp Query UN population data: fertility, mortality, migration, life expectancy for 298 countries. | not found | MCP initialize · 8s limit | Request recheck | |
unblocked-mcp https://getunblocked.com/api/mcpsse Unblocked MCP Server | needs a key | MCP initialize · 8s limit | Request recheck | |
UnboxAPI — Hospitality Reservation MCP Server https://unboxapi.pro/mcp REST-to-MCP for UK hospitality. Safety proxy: circuit-breakers, rate limits, whitelists. Apache 2.0. | no response | MCP initialize · 8s limit | Request recheck | |
| Undertow — market liquidity map https://api.seiche.info/undertow/mcp Live exit costs by venue, depth concentration, and a sealed calls record that keeps its misses. | responds | MCP initialize · 8s limit | Request recheck | |
| undesirables-mcp-server https://mcp.the-undesirables.com Conformal TCG risk forecasts + AI card grading, x402 pay-per-call oracle, on-chain soul agents. | responds | MCP initialize · 8s limit | Request recheck | |
| Uneed https://mcp.uneed.best/mcp Search uneed.best's curated product directory: launches, rankings, deals and alternatives | responds | MCP initialize · 8s limit | Request recheck | |
| Unesco Uis https://gateway.pipeworx.io/unesco-uis/mcp UNESCO Institute for Statistics (UIS) MCP — keyless. | responds | MCP initialize · 8s limit | Request recheck | |
UnfoldIP Patent Search https://unfoldip.com/mcp Search 11.3M US patents (2011+) and read full claims and descriptions, with cited source links. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Unhcr https://gateway.pipeworx.io/unhcr/mcp UNHCR Refugee Data Finder MCP (keyless). | responds | MCP initialize · 8s limit | Request recheck | |
UniBio Intelligence https://mcp.unibiointelligence.com/mcp Connect AI clients to biomedical data and tools. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Unicef https://gateway.pipeworx.io/unicef/mcp UNICEF Data (UN Children's Fund) MCP — global statistics on child health, | responds | MCP initialize · 8s limit | Request recheck | |
| Unicode https://gateway.pipeworx.io/unicode/mcp Unicode character MCP. | responds | MCP initialize · 8s limit | Request recheck | |
| Unicred MCP https://api.mcp.ai/p_unicred Connect your Unicred account to AI via Brazil's Open Finance: balances, statements, cards, investmen | responds | MCP initialize · 8s limit | Request recheck | |
UnifAPI https://mcp.unifapi.com Hosted MCP server for live public-data APIs and Skills for AI agents. | needs a key | MCP initialize · 8s limit | Request recheck | |
Unified Offer Protocol MCP Server https://api.unifiedoffer.com/functions/v1/mcp-http-wrapper AI-powered product search, affiliate links, and price negotiation for e-commerce platforms | no response | MCP initialize · 8s limit | Request recheck | |
| Uniprot https://gateway.pipeworx.io/uniprot/mcp UniProt MCP — protein sequence + function database. | responds | MCP initialize · 8s limit | Request recheck | |
uniswap-mcp https://uniswap.mcp.junct.dev/mcp Uniswap MCP server — 17 tools for AI agent integration. Hosted by Junct. | no response | MCP initialize · 8s limit | Request recheck | |
Unit & Currency Converter https://unit-converter-mcp.atlasword.workers.dev/mcp 60+ units, live FX, timezones, and date arithmetic for AI agents. | no response | MCP initialize · 8s limit | Request recheck | |
Unit Converter API https://unit-converter-production-0b91.up.railway.app/mcp Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment. | not found | MCP initialize · 8s limit | Request recheck | |
Unit Converter API https://unit-converter-x402-production.up.railway.app/mcp Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment. | not found | MCP initialize · 8s limit | Request recheck | |
| Unit Converter API https://unit-converter.api.klymax402.com/mcp Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment. | responds | MCP initialize · 8s limit | Request recheck | |
United Arab Emirates Payments (Tap Payments — Apple Pay / cards) https://mcp-ae.wishpool.app/mcp United Arab Emirates payments for AI agents — Apple Pay / cards via Tap Payments. Never holds funds. | no response | MCP initialize · 8s limit | Request recheck | |
United Kingdom Payments (Stripe — Stripe checkout) https://mcp-gb.wishpool.app/mcp United Kingdom payments for AI agents — Stripe checkout via Stripe. Never holds funds. | no response | MCP initialize · 8s limit | Request recheck | |
United States Payments (Stripe — Stripe checkout) https://mcp-us.wishpool.app/mcp United States payments for AI agents — Stripe checkout via Stripe. Never holds funds. | no response | MCP initialize · 8s limit | Request recheck | |
unitymcptest-mcp https://unitymcptest.clauxel.com/mcp A paid remote MCP for Unity-MCP, built to return verdicts, receipts, usage logs, and audit-ready JSO | not found | MCP initialize · 8s limit | Request recheck | |
univercity-mcp https://mcp.univercityaiconsult.tech 8-dimension business diagnosis with Revenue Leak Score and triple-option recommendations | no response | MCP initialize · 8s limit | Request recheck | |
universalbench https://universalbench-mcp.penantiaglobal.workers.dev/u/%7Bapi_key%7D Run code, query databases, call any LLM, and commit to GitHub from your AI, safely. Free tier. | needs a key | MCP initialize · 8s limit | Request recheck | |
universalcartmerchantgate-mcp https://universalcartmerchantgate.clauxel.com/mcp Remote MCP for Universal Cart merchant readiness MCP, structured receipts, audit logs, and reviewer- | no response | MCP initialize · 8s limit | Request recheck | |
| universities https://gateway.pipeworx.io/universities/mcp Universities MCP — Hipolabs Universities API (free, no auth) | responds | MCP initialize · 8s limit | Request recheck | |
| Unlisted Property Search https://api.unlistedinc.com/mcp Search and explore residential properties that aren't for sale (yet) | responds | MCP initialize · 8s limit | Request recheck | |
| Unlock SaaS https://unlocksaas.com/api/mcp Playbook engine: non-dev founders land first paying customer in 60 days or refund | responds | MCP initialize · 8s limit | Request recheck | |
Unmarkdown https://unmarkdown.com/api/mcp The document publishing layer for AI tools. Convert markdown to 6 destinations, 62 templates. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Uno Platform https://mcp.platform.uno/v1 The Uno Platform MCP Server to get up-to-date docs and prompts | responds | MCP initialize · 8s limit | Request recheck | |
| Unpaywall https://gateway.pipeworx.io/unpaywall/mcp Unpaywall MCP — open-access lookup for scholarly papers (free, no key) | responds | MCP initialize · 8s limit | Request recheck | |
| Unphurl https://mcp.unphurl.com/mcp URL intelligence for AI agents. One URL in, structured security and data quality signals out. | responds | MCP initialize · 8s limit | Request recheck | |
Unshift https://studio.unshift.ai/api/mcp Turn Claude or ChatGPT into a website builder that ships a real site to a live URL you own. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Unsplash https://gateway.pipeworx.io/unsplash/mcp Unsplash MCP. | responds | MCP initialize · 8s limit | Request recheck | |
Unstoppable Domains https://api.unstoppabledomains.com/mcp/v1 Domain search, registration, DNS, marketplace, and checkout with your AI agent. | needs a key | MCP initialize · 8s limit | Request recheck | |
Unstructured Transform https://mcp.transform.unstructured.io Turn documents into structured, AI-ready data by parsing, enriching, chunking, and embedding. | needs a key | MCP initialize · 8s limit | Request recheck | |
Untap https://untap.money/api/mcp UK refunds inside your AI assistant: train delays, flights, TfL, parking. Made in London. | needs a key | MCP initialize · 8s limit | Request recheck | |
| unulu https://mcp.unulu.ai AI agent website builder. Create and publish link-in-bio sites via MCP or REST API. | responds | MCP initialize · 8s limit | Request recheck | |
Unyly Gateway https://gateway.unyly.org/mcp One connector for 15,000+ MCP servers plus your team's private MCPs, from any AI client. | needs a key | MCP initialize · 8s limit | Request recheck | |
| uooks https://gateway.pipeworx.io/books/mcp Books MCP — wraps Open Library API (free, no auth) | responds | MCP initialize · 8s limit | Request recheck | |
| uored https://gateway.pipeworx.io/bored/mcp Bored MCP — wraps Bored API (free, no auth) | responds | MCP initialize · 8s limit | Request recheck | |
| updates https://corduroy-labs.ai/mcp Corduroy Labs studio updates over MCP: list_updates and get_update, backed by the site's JSON Feed. | responds | MCP initialize · 8s limit | Request recheck | |
upgrade-agent https://www.upgradeagent.ai/api/mcp Travel-upgrade Q&A, live booking eligibility, and operator lookups for airline, cruise, rail. | no response | MCP initialize · 8s limit | Request recheck | |
| Uphealth Signal https://mcp.uphealth.us/mcp Federally-sourced health facts/lists/tips as agent-callable cued-stream tools. Not medical advice. | responds | MCP initialize · 8s limit | Request recheck | |
Upload-Post https://mcp.upload-post.com/mcp Publish, schedule & analyze posts on TikTok, Instagram, YouTube, LinkedIn, X & 10+ social networks | needs a key | MCP initialize · 8s limit | Request recheck | |
| uploadcare https://uploadcare.usefulapi.io/mcp MCP server for Uploadcare — files, groups and webhooks; upload and store files. | responds | MCP initialize · 8s limit | Request recheck | |
upriver https://mcp.upriver.ai/mcp Know what's gaining traction online: breakout topics in tech, sports & politics, with citations. | needs a key | MCP initialize · 8s limit | Request recheck | |
Uproad https://uproad.design/mcp Share prototypes as private links clients open without an account, attach specs, read comments. | needs a key | MCP initialize · 8s limit | Request recheck | |
UptimeProbe https://uptime.rjctdlabs.xyz/sse HTTP health checks, SSL expiry monitoring, TCP port scanning, and batch URL testing. | no response | MCP initialize · 8s limit | Request recheck | |
UpToCode https://uptocode-mcp-1015314816960.us-central1.run.app/mcp Evidence-backed architecture-quality analysis for Python agent applications. | needs a key | MCP initialize · 8s limit | Request recheck | |
| Urantia Papers https://api.urantia.dev/mcp Free, open MCP server for The Urantia Book. 197 papers, 14,500+ paragraphs, 4,400+ entities. | responds | MCP initialize · 8s limit | Request recheck | |
| uratori(ウラトリ) https://uratori.utsuroi.today/api/mcp 日本企業の第三者認証(ISO 27001/Pマーク/ISMAP等)を公開情報から実調査し、5区分の判定と証跡URLを返す。未確認は未取得の断定ではない。 | responds | MCP initialize · 8s limit | Request recheck | |
| ureweries https://gateway.pipeworx.io/breweries/mcp Breweries MCP — Open Brewery DB API (free, no auth) | responds | MCP initialize · 8s limit | Request recheck | |
| Url https://gateway.pipeworx.io/url/mcp URL parsing & building MCP. | responds | MCP initialize · 8s limit | Request recheck | |
| URL Safety Validator https://url-safety-validator-mcp-production.up.railway.app AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel. | responds | MCP initialize · 8s limit | Request recheck | |
URL Shortener API https://url-shortener-x402-production.up.railway.app/mcp Shorten URLs with hash-based codes or custom aliases. x402 micropayment. | not found | MCP initialize · 8s limit | Request recheck | |
| URL Shortener API https://url-shortener.api.klymax402.com/mcp Shorten URLs with hash-based codes or custom aliases. x402 micropayment. | responds | MCP initialize · 8s limit | Request recheck | |
url-alive-check https://apim-agentforge-6lfm33.azure-api.net/url-alive-check/mcp MCP server (stdio): check if URLs are alive (status, redirects, latency) via the AgentForge API | needs a key | MCP initialize · 8s limit | Request recheck | |
url-shortener https://hatchloop.dev/mcp/url-shortener/mcp Zero-auth URL shortener for AI agents. Deterministic: same URL always returns the same code. | not found | MCP initialize · 8s limit | Request recheck | |
| url2image https://url2image.com/mcp Capture batches of public web pages in a real browser and download the screenshots as a zip. | responds | MCP initialize · 8s limit | Request recheck | |
| Urlhaus https://gateway.pipeworx.io/urlhaus/mcp URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth) | responds | MCP initialize · 8s limit | Request recheck | |
| Urlscan Io https://gateway.pipeworx.io/urlscan-io/mcp urlscan.io URL scanner — search/result keyless, submit needs key | responds | MCP initialize · 8s limit | Request recheck | |
Uruguay Invoices (DGI e-Factura CFE, merchant-signed SOAP relay) https://inv-uy.wishpool.app/mcp Uruguay DGI e-Factura (CFE): AI agents submit signed sobres to DGI e-invoicing, stateless forwarder. | no response | MCP initialize · 8s limit | Request recheck | |
Uruguay Payments (Mercado Pago — Mercado Pago wallet) https://mcp-uy.wishpool.app/mcp Uruguay payments for AI agents — Mercado Pago wallet via Mercado Pago. Never holds funds. | no response | MCP initialize · 8s limit | Request recheck | |
US Building Permit Aggregator https://mcp.apify.com/?tools=dizzyvinci/building-permit-aggregator Pull recent building permits from 9 US cities in a unified schema from official open-data portals. | needs a key | MCP initialize · 8s limit | Request recheck | |
US Business & Government Data API https://mcp.apify.com/?tools=pink_comic/us-business-entity-search,pink_comic/building-permits-construction-leads,pink_comic/sunbiz-florida-business-leads,pink_comic/texas-business-leads Search business entities, building permits, and government records across US states. | needs a key | MCP initialize · 8s limit | Request recheck | |
US Business Data MCP Server https://mcp.apify.com/?tools=pink_comic/us-business-entity-search,pink_comic/yellowpages-scraper,pink_comic/building-permits-and-contractor-leads Search US business entities, leads, and government records across 17 states | needs a key | MCP initialize · 8s limit | Request recheck | |
| US Drought Monitor https://mcp.olyport.com/drought/mcp Current drought conditions and severity across the United States | responds | MCP initialize · 8s limit | Request recheck | |
| Us Gov Contracts https://gateway.pipeworx.io/us-gov-contracts/mcp US state & local awarded government contracts, normalized across jurisdictions — keyless | responds | MCP initialize · 8s limit | Request recheck | |
| Us Iso Grid https://gateway.pipeworx.io/us-iso-grid/mcp US ISO Grid MCP — real-time electricity generation, fuel mix, demand, | responds | MCP initialize · 8s limit | Request recheck | |
US Legal Case Search https://legal.memoryapi.org/mcp US legal case search: court decisions and company litigation history | no response | MCP initialize · 8s limit | Request recheck | |
| US Macroeconomic Data https://econ.memoryapi.org/mcp US macroeconomic data: inflation, jobs, GDP, energy, and Treasury yields | responds | MCP initialize · 8s limit | Request recheck | |
| Us News Feeds https://gateway.pipeworx.io/us-news-feeds/mcp US News Feeds MCP. | responds | MCP initialize · 8s limit | Request recheck | |
| US Real Estate Data https://property.memoryapi.org/mcp US real estate data: home prices, rents, and market trends | responds | MCP initialize · 8s limit | Request recheck | |
US Safety Recalls https://us-safety-recalls-mcp.apify.actor/mcp NHTSA vehicle recalls and FDA food/drug recalls. 4 tools. | needs a key | MCP initialize · 8s limit | Request recheck | |
| US State DMV https://gateway.pipeworx.io/us-dmv/mcp US state DMV data: vehicle and EV registrations, office locators, live wait times | responds | MCP initialize · 8s limit | Request recheck | |
us-building-permits https://mcp.apify.com/?actors=prometheusagency/us-building-permits Fresh US building permits with contacts from official city APIs. Construction lead generation. | needs a key | MCP initialize · 8s limit | Request recheck | |
us-census-mcp-server https://aligned-kettledrum--us-census-mcp-server.apify.actor/mcp Query US Census ACS, decennial, and economic survey data. | needs a key | MCP initialize · 8s limit | Request recheck | |
us-congress-trades https://mcp.apify.com/?tools=johnvc/us-congress-financial-disclosures-and-stock-trading-data US Congress stock trades and financial disclosures by member, ticker, or date, hosted MCP. | needs a key | MCP initialize · 8s limit | Request recheck | |
us-law-mcp https://us-law-mcp.vercel.app/mcp US federal and state cybersecurity/privacy law MCP server with cross-state comparison | not found | MCP initialize · 8s limit | Request recheck | |
USA Logistics (buy USPS/UPS/FedEx labels + tracking via EasyPost) https://logi-us.wishpool.app/mcp US shipping labels for AI agents: buy USPS/UPS/FedEx, track and refund via EasyPost. | no response | MCP initialize · 8s limit | Request recheck | |
| Usajobs https://gateway.pipeworx.io/usajobs/mcp USAJOBS.gov MCP — US federal job postings | responds | MCP initialize · 8s limit | Request recheck | |
| Usaspending https://gateway.pipeworx.io/usaspending/mcp USAspending MCP — Federal spending data from USAspending.gov API | responds | MCP initialize · 8s limit | Request recheck | |
| usaspending-mcp-server https://usaspending.caseyjhand.com/mcp Access US federal award, recipient, agency, and spending analytics data from USAspending.gov. | responds | MCP initialize · 8s limit | Request recheck | |
| Usda Fdc https://gateway.pipeworx.io/usda-fdc/mcp USDA Food Data Central MCP | responds | MCP initialize · 8s limit | Request recheck | |
| USDA Food Access https://mcp.olyport.com/usda-food/mcp SNAP participation, food insecurity indicators, and agricultural statistics | responds | MCP initialize · 8s limit | Request recheck | |
| usdi-mcp-server https://usdi-mcp.onrender.com/mcp Live tools for USDi: CPI-indexed exchange rate, contract/pool addresses, and mint/redeem mechanics. | responds | MCP initialize · 8s limit | Request recheck | |
| USDV Capital — Your Real Estate CFO https://api.usdvcapital.com/mcp Real estate market intelligence, calculators, and capital advisory for US investors. | responds | MCP initialize · 8s limit | Request recheck | |
| UsedBikeCenter ZAMA バイク買取査定 https://shonanfarm.com/wp-json/zama/v1/mcp 日本の中古バイク・原付の買取相場照会と出張買取申込(神奈川・東京・埼玉・千葉・茨城)。UsedBikeCenter ZAMA公式。 | responds | MCP initialize · 8s limit | Request recheck | |
| useful-data-source-for-agents-doing-product-price-sdk https://useful-data-source-for-agents-production.up.railway.app/mcp Semantic product search over Singapore e-commerce, ranked by an auditable entropy-based value-score | responds | MCP initialize · 8s limit | Request recheck | |
| uselessfacts https://gateway.pipeworx.io/uselessfacts/mcp Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth) | responds | MCP initialize · 8s limit | Request recheck | |
| UseMyContext https://mcp.usemycontext.ai/mcp The personal context layer for AI: your profile and files, read by any MCP client over OAuth. | responds | MCP initialize · 8s limit | Request recheck | |
User Agent Parser API https://user-agent-parser-production.up.railway.app/mcp Parse user agents — browser, OS, device, bot detection. x402 micropayment. | not found | MCP initialize · 8s limit | Request recheck | |
User Agent Parser API https://user-agent-parser-x402-production.up.railway.app/mcp Parse user agents — browser, OS, device, bot detection. x402 micropayment. | not found | MCP initialize · 8s limit | Request recheck | |
| User Agent Parser API https://user-agent-parser.api.klymax402.com/mcp Parse user agents — browser, OS, device, bot detection. x402 micropayment. | responds | MCP initialize · 8s limit | Request recheck |