Find MCP servers that
actually work.

Umlout

io-github-dmkorj-umlout

Create and edit UML, flowchart, wireframe and sequence diagrams on an Umlout whiteboard.

UniBio Intelligence

io-github-unibio-intelligence-ubi

Connect AI clients to biomedical data and tools.

Unit & Currency Converter

io-github-guptaprakhariitr-unit-converter-mcp

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

United Arab Emirates Payments (Tap Payments — Apple Pay / cards)

app-wishpool-uae-payments-mcp

United Arab Emirates payments for AI agents — Apple Pay / cards via Tap Payments. Never holds funds.

Unplain

io-unplain-unplain

Your assistant writes the ebook or report; Unplain designs it and returns a publish-ready PDF.

Unshift

io-github-unshift-ai-unshift

Turn Claude or ChatGPT into a website builder that ships a real site to a live URL you own.

Untap

io-github-aneduaim-untap-mcp

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

Uprampr Marketplace

com-uprampr-marketplace

Buy and sell with Bitcoin, Monero or Pirate Chain. Listings, Want Ads, offers, escrow.

Uproad

design-uproad-uproad

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

UptimeProbe

io-github-therealmrfunguy-uptime-probe

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

UptimeRobot

com-uptimerobot-uptimerobot

Monitor websites, APIs, and servers: create monitors, triage incidents, and query uptime stats.

Uruguay Invoices (DGI e-Factura CFE, merchant-signed SOAP relay)

app-wishpool-uruguay-invoice-mcp

Uruguay DGI e-Factura (CFE): AI agents submit signed sobres to DGI e-invoicing, stateless forwarder.

Uruguay Payments (Mercado Pago — Mercado Pago wallet)

app-wishpool-uruguay-payments-mcp

Uruguay payments for AI agents — Mercado Pago wallet via Mercado Pago. Never holds funds.

UserGuiding

io-github-userguiding-mcp

Manage users, track events, companies, and knowledge base articles in UserGuiding.

V-Lab

io-github-volatility-vlab-mcp

Volatility, SRISK, CRISK, liquidity and climate data from NYU Stern's V-Lab, with model forecasts.

VOC OpenAPI MCP

io-github-solveacx-voc-mcp

VOC OpenAPI gives AI agents authorized review and product data for insights, tagging, and listings.

Valid

co-valid-mcp

Conversational access to advertising performance data, creative analysis, and campaign insights

Vantage

dev-vantagemcp-vantage

Checks AI-answer-engine visibility: is your brand cited by ChatGPT, Google AI Overview

Velaris Intelligence

io-github-velaris-csm-velaris-intelligence

AI-generated customer success reports for Velaris platform users. Authenticates via OAuth.

Veles CPQ

com-getveles-cpq

Configure, price, and quote with Veles CPQ

Velmo

com-meuvelmo-velmo

Diagnóstico patrimonial 360 (Wealth X-Ray) somente leitura, com fontes e próximos passos.

Vendo AI

com-vendo-ai-vendo-ai

Autonomous AI sales: agents, signal-based prospecting, outreach, CRM — 149 tools.

Verant

ai-verant-verant

AI proofreading for public web pages and full sites, with AI-verified corrections. Paid plans only.

Veri Asia

io-github-veriasia-veriasia

Calibrated probabilities, fair odds and value plays for Asian football, benchmarked vs Pinnacle.

Verified Numbers

io-github-jfortier93-verified-numbers-mcp

Current source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.

Verified Tools — AI Visibility Monitoring

info-verifiedtools-ai-visibility-monitoring

AI-visibility monitoring for your brand across ChatGPT, Claude, Perplexity & Gemini.

Verified Wages

io-github-jfortier93-verified-wages-mcp

Current source-cited US minimum wage, tipped wage, and FLSA constants for AI agents; cites DOL.

VerifyUK Property Check

io-github-namnam57-verifyuk-property-check

Cited English property planning-constraint screening and batch tools for AI agents.

Version Pill

io-github-versionpill-mcp

Product management, public changelog, and feature requests - 60 lean MCP tools.

Vietnam Invoices (MISA meInvoice create, publish & query)

app-wishpool-vietnam-invoice-mcp

Vietnam MISA meInvoice: AI agents create, publish and query e-invoices, stateless BYO.

Vietnam Payments (MoMo — wallet QR / ATM / cards)

app-wishpool-vietnam-payments-mcp

Vietnam payments for AI agents — MoMo wallet QR, ATM, cards. Zero-setup sandbox. Never holds funds.

Visily UI Design

io-github-visily-app-visily

UI design from prompts, screenshots, and URLs for AI coding agents and theme tokens.

Vitex — AI Resume Generator

io-github-chanmeng666-vitex

Generate tailored, ATS-optimized resume PDFs and cover letters from a job description, over MCP.

Voice Logica

io-github-voicelogica-voice-logica

Manage Voice Logica agents, calls, phones, workflows, messaging, and integrations.

VoiceIntel

io-github-evozim-voice-intel

Acoustic sentiment parsing and voice veracity analyzer.

VoiceLabs

now-voicelabs-voicelabs

AI voice generation: text-to-speech and voice cloning from any MCP client.

Voxplo

ai-voxplo-voxplo

Give AI agents a phone: outbound AI calls that return a summary, transcript, and extracted fields.

WHOIS

io-github-kincaidyang-whois

Query WHOIS/RDAP information for domains, IP addresses, CIDR prefixes and ASNs. Self-hostable.

WHOOP — MissingMCP

com-missingmcp-whoop

WHOOP recovery, strain, sleep and workouts in Claude via official WHOOP OAuth. Free, open source.

Wallet Doctor x402

io-github-zikriz-wallet-doctor-x402

Multi-chain wallet MCP. 18 tools: balance, swap, bridge, stake, claim. Pay-per-call USDC (x402 v2).

WalletHygiene

io-github-evozim-wallet-hygiene

On-chain toxicity and spam transaction detector for Web3 wallets.

WeInc

io-github-umairalisadaqat-weinc

Manage WeInc AI website builder orgs: projects, publishing, custom domains, and previews.

Wealthos

cc-wealthos-mcp

Plan your financial future with AI: track net worth, manage budgets, and forecast scenarios.

Web Metadata, OpenGraph & Contact Extractor

io-github-josejux-rapidapi-metadata-extractor

Turns any URL into SEO metadata, contacts, tech stack, and AI-ready Markdown, in one call.

WebAnatomy

ai-webanatomy-webanatomy

Help your AI improve landing pages, grounded in 3,500+ scored sections and 500 real pages.

WebUAT-Forensic

io-github-evozim-webapp-uat

Forensic accessibility and UI/UX front-end audit tool for web apps.

Webcake Landing

io-github-vuluu2k-webcake-landing-mcp

Build, validate, and persist Webcake landing-page source JSON: element schemas plus AI usage hints.

Website Change Monitor

dev-blyck-website-change-monitor

Monitor public pages and JSON endpoints after agents disconnect, with polling and webhooks.