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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.

Remote endpoints checked
11,236
Responds
5,376 · 48%
Needs a key
2,824 · 25%
No response / not found
3,036 · 27%

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.

EndpointStatusLast checkedHow checkedOwner
Umtri
https://mcp.umtri.io

Give your AI agent a persistent map of your project's structure, dependencies, and bugs.

needs a keyMCP initialize · 8s limitRequest recheck
Un Sdg
https://gateway.pipeworx.io/un-sdg/mcp

UN Sustainable Development Goals (SDG) Indicators MCP — UN Statistics Division.

respondsMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest recheck
unblocked-mcp
https://getunblocked.com/api/mcpsse

Unblocked MCP Server

needs a keyMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest recheck
Uneed
https://mcp.uneed.best/mcp

Search uneed.best's curated product directory: launches, rankings, deals and alternatives

respondsMCP initialize · 8s limitRequest recheck
Unesco Uis
https://gateway.pipeworx.io/unesco-uis/mcp

UNESCO Institute for Statistics (UIS) MCP — keyless.

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
Unhcr
https://gateway.pipeworx.io/unhcr/mcp

UNHCR Refugee Data Finder MCP (keyless).

respondsMCP initialize · 8s limitRequest recheck
UniBio Intelligence
https://mcp.unibiointelligence.com/mcp

Connect AI clients to biomedical data and tools.

needs a keyMCP initialize · 8s limitRequest recheck
Unicef
https://gateway.pipeworx.io/unicef/mcp

UNICEF Data (UN Children's Fund) MCP — global statistics on child health,

respondsMCP initialize · 8s limitRequest recheck
Unicode
https://gateway.pipeworx.io/unicode/mcp

Unicode character MCP.

respondsMCP initialize · 8s limitRequest recheck
Unicred MCP
https://api.mcp.ai/p_unicred

Connect your Unicred account to AI via Brazil's Open Finance: balances, statements, cards, investmen

respondsMCP initialize · 8s limitRequest recheck
UnifAPI
https://mcp.unifapi.com

Hosted MCP server for live public-data APIs and Skills for AI agents.

needs a keyMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest recheck
Uniprot
https://gateway.pipeworx.io/uniprot/mcp

UniProt MCP — protein sequence + function database.

respondsMCP initialize · 8s limitRequest recheck
uniswap-mcp
https://uniswap.mcp.junct.dev/mcp

Uniswap MCP server — 17 tools for AI agent integration. Hosted by Junct.

no responseMCP initialize · 8s limitRequest recheck
Unit & Currency Converter
https://unit-converter-mcp.atlasword.workers.dev/mcp

60+ units, live FX, timezones, and date arithmetic for AI agents.

no responseMCP initialize · 8s limitRequest recheck
Unit Converter API
https://unit-converter-production-0b91.up.railway.app/mcp

Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment.

not foundMCP initialize · 8s limitRequest recheck
Unit Converter API
https://unit-converter-x402-production.up.railway.app/mcp

Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment.

not foundMCP initialize · 8s limitRequest recheck
Unit Converter API
https://unit-converter.api.klymax402.com/mcp

Unit conversion — length, weight, temperature, volume, speed, data. x402 micropayment.

respondsMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest recheck
univercity-mcp
https://mcp.univercityaiconsult.tech

8-dimension business diagnosis with Revenue Leak Score and triple-option recommendations

no responseMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
universalcartmerchantgate-mcp
https://universalcartmerchantgate.clauxel.com/mcp

Remote MCP for Universal Cart merchant readiness MCP, structured receipts, audit logs, and reviewer-

no responseMCP initialize · 8s limitRequest recheck
universities
https://gateway.pipeworx.io/universities/mcp

Universities MCP — Hipolabs Universities API (free, no auth)

respondsMCP initialize · 8s limitRequest recheck
Unlisted Property Search
https://api.unlistedinc.com/mcp

Search and explore residential properties that aren't for sale (yet)

respondsMCP initialize · 8s limitRequest recheck
Unlock SaaS
https://unlocksaas.com/api/mcp

Playbook engine: non-dev founders land first paying customer in 60 days or refund

respondsMCP initialize · 8s limitRequest recheck
Unmarkdown
https://unmarkdown.com/api/mcp

The document publishing layer for AI tools. Convert markdown to 6 destinations, 62 templates.

needs a keyMCP initialize · 8s limitRequest recheck
Uno Platform
https://mcp.platform.uno/v1

The Uno Platform MCP Server to get up-to-date docs and prompts

respondsMCP initialize · 8s limitRequest recheck
Unpaywall
https://gateway.pipeworx.io/unpaywall/mcp

Unpaywall MCP — open-access lookup for scholarly papers (free, no key)

respondsMCP initialize · 8s limitRequest recheck
Unphurl
https://mcp.unphurl.com/mcp

URL intelligence for AI agents. One URL in, structured security and data quality signals out.

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
Unsplash
https://gateway.pipeworx.io/unsplash/mcp

Unsplash MCP.

respondsMCP initialize · 8s limitRequest recheck
Unstoppable Domains
https://api.unstoppabledomains.com/mcp/v1

Domain search, registration, DNS, marketplace, and checkout with your AI agent.

needs a keyMCP initialize · 8s limitRequest recheck
Unstructured Transform
https://mcp.transform.unstructured.io

Turn documents into structured, AI-ready data by parsing, enriching, chunking, and embedding.

needs a keyMCP initialize · 8s limitRequest recheck
Untap
https://untap.money/api/mcp

UK refunds inside your AI assistant: train delays, flights, TfL, parking. Made in London.

needs a keyMCP initialize · 8s limitRequest recheck
unulu
https://mcp.unulu.ai

AI agent website builder. Create and publish link-in-bio sites via MCP or REST API.

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
uooks
https://gateway.pipeworx.io/books/mcp

Books MCP — wraps Open Library API (free, no auth)

respondsMCP initialize · 8s limitRequest recheck
uored
https://gateway.pipeworx.io/bored/mcp

Bored MCP — wraps Bored API (free, no auth)

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest recheck
upgrade-agent
https://www.upgradeagent.ai/api/mcp

Travel-upgrade Q&A, live booking eligibility, and operator lookups for airline, cruise, rail.

no responseMCP initialize · 8s limitRequest recheck
Uphealth Signal
https://mcp.uphealth.us/mcp

Federally-sourced health facts/lists/tips as agent-callable cued-stream tools. Not medical advice.

respondsMCP initialize · 8s limitRequest recheck
Upload-Post
https://mcp.upload-post.com/mcp

Publish, schedule & analyze posts on TikTok, Instagram, YouTube, LinkedIn, X & 10+ social networks

needs a keyMCP initialize · 8s limitRequest recheck
uploadcare
https://uploadcare.usefulapi.io/mcp

MCP server for Uploadcare — files, groups and webhooks; upload and store files.

respondsMCP initialize · 8s limitRequest recheck
upriver
https://mcp.upriver.ai/mcp

Know what's gaining traction online: breakout topics in tech, sports & politics, with citations.

needs a keyMCP initialize · 8s limitRequest recheck
Uproad
https://uproad.design/mcp

Share prototypes as private links clients open without an account, attach specs, read comments.

needs a keyMCP initialize · 8s limitRequest recheck
UptimeProbe
https://uptime.rjctdlabs.xyz/sse

HTTP health checks, SSL expiry monitoring, TCP port scanning, and batch URL testing.

no responseMCP initialize · 8s limitRequest recheck
UpToCode
https://uptocode-mcp-1015314816960.us-central1.run.app/mcp

Evidence-backed architecture-quality analysis for Python agent applications.

needs a keyMCP initialize · 8s limitRequest recheck
Urantia Papers
https://api.urantia.dev/mcp

Free, open MCP server for The Urantia Book. 197 papers, 14,500+ paragraphs, 4,400+ entities.

respondsMCP initialize · 8s limitRequest 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。

respondsMCP initialize · 8s limitRequest recheck
ureweries
https://gateway.pipeworx.io/breweries/mcp

Breweries MCP — Open Brewery DB API (free, no auth)

respondsMCP initialize · 8s limitRequest recheck
Url
https://gateway.pipeworx.io/url/mcp

URL parsing & building MCP.

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest recheck
URL Shortener API
https://url-shortener.api.klymax402.com/mcp

Shorten URLs with hash-based codes or custom aliases. x402 micropayment.

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest recheck
url2image
https://url2image.com/mcp

Capture batches of public web pages in a real browser and download the screenshots as a zip.

respondsMCP initialize · 8s limitRequest recheck
Urlhaus
https://gateway.pipeworx.io/urlhaus/mcp

URLhaus MCP — wraps abuse.ch URLhaus malware URL database (free, no auth)

respondsMCP initialize · 8s limitRequest recheck
Urlscan Io
https://gateway.pipeworx.io/urlscan-io/mcp

urlscan.io URL scanner — search/result keyless, submit needs key

respondsMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest recheck
US Drought Monitor
https://mcp.olyport.com/drought/mcp

Current drought conditions and severity across the United States

respondsMCP initialize · 8s limitRequest recheck
Us Gov Contracts
https://gateway.pipeworx.io/us-gov-contracts/mcp

US state & local awarded government contracts, normalized across jurisdictions — keyless

respondsMCP initialize · 8s limitRequest recheck
Us Iso Grid
https://gateway.pipeworx.io/us-iso-grid/mcp

US ISO Grid MCP — real-time electricity generation, fuel mix, demand,

respondsMCP initialize · 8s limitRequest recheck
US Legal Case Search
https://legal.memoryapi.org/mcp

US legal case search: court decisions and company litigation history

no responseMCP initialize · 8s limitRequest recheck
US Macroeconomic Data
https://econ.memoryapi.org/mcp

US macroeconomic data: inflation, jobs, GDP, energy, and Treasury yields

respondsMCP initialize · 8s limitRequest recheck
Us News Feeds
https://gateway.pipeworx.io/us-news-feeds/mcp

US News Feeds MCP.

respondsMCP initialize · 8s limitRequest recheck
US Real Estate Data
https://property.memoryapi.org/mcp

US real estate data: home prices, rents, and market trends

respondsMCP initialize · 8s limitRequest recheck
US Safety Recalls
https://us-safety-recalls-mcp.apify.actor/mcp

NHTSA vehicle recalls and FDA food/drug recalls. 4 tools.

needs a keyMCP initialize · 8s limitRequest recheck
US State DMV
https://gateway.pipeworx.io/us-dmv/mcp

US state DMV data: vehicle and EV registrations, office locators, live wait times

respondsMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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 keyMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest 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 responseMCP initialize · 8s limitRequest recheck
Usajobs
https://gateway.pipeworx.io/usajobs/mcp

USAJOBS.gov MCP — US federal job postings

respondsMCP initialize · 8s limitRequest recheck
Usaspending
https://gateway.pipeworx.io/usaspending/mcp

USAspending MCP — Federal spending data from USAspending.gov API

respondsMCP initialize · 8s limitRequest recheck
usaspending-mcp-server
https://usaspending.caseyjhand.com/mcp

Access US federal award, recipient, agency, and spending analytics data from USAspending.gov.

respondsMCP initialize · 8s limitRequest recheck
Usda Fdc
https://gateway.pipeworx.io/usda-fdc/mcp

USDA Food Data Central MCP

respondsMCP initialize · 8s limitRequest recheck
USDA Food Access
https://mcp.olyport.com/usda-food/mcp

SNAP participation, food insecurity indicators, and agricultural statistics

respondsMCP initialize · 8s limitRequest 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.

respondsMCP initialize · 8s limitRequest recheck
USDV Capital — Your Real Estate CFO
https://api.usdvcapital.com/mcp

Real estate market intelligence, calculators, and capital advisory for US investors.

respondsMCP initialize · 8s limitRequest 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。

respondsMCP initialize · 8s limitRequest 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

respondsMCP initialize · 8s limitRequest recheck
uselessfacts
https://gateway.pipeworx.io/uselessfacts/mcp

Uselessfacts MCP — wraps uselessfacts.jsph.pl API (free, no auth)

respondsMCP initialize · 8s limitRequest recheck
UseMyContext
https://mcp.usemycontext.ai/mcp

The personal context layer for AI: your profile and files, read by any MCP client over OAuth.

respondsMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest 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 foundMCP initialize · 8s limitRequest recheck
User Agent Parser API
https://user-agent-parser.api.klymax402.com/mcp

Parse user agents — browser, OS, device, bot detection. x402 micropayment.

respondsMCP initialize · 8s limitRequest recheck
11,236 endpoints in this view