Remote MCP servers let a supported client connect to a hosted endpoint. You do not need to launch that server as a local process, but you still need a compatible client, network access and the authentication required by the service.
A service's homepage or GitHub repository is not interchangeable with its MCP URL. Copy the documented endpoint and choose the transport the service supports. Older SSE configurations and Streamable HTTP configurations can differ; adding an arbitrary path to a website will not turn it into an MCP server.
OAuth connections authorize an account through the provider's sign-in flow. API-key connections require the documented header or credential setting. Confirm the workspace and scopes before asking an assistant to read private data or write to a service. A successful connection does not prove it has permission to every resource.
Check that the endpoint is reachable, the client supports its transport and authentication, and the credentials belong to the intended account. Then inspect the tool list and try one simple read. If connection works but a tool fails, review resource permissions and the tool's required arguments.
Start with Figma's official server, Notion or GitHub when those services match your task. Browse official integrations and the full directory for other options.
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Hosted at [uniswap.mcp.junct.dev/mcp](https://uniswap.mcp.junct.dev/mcp). Free to use. No auth. No API key required.
Unit 42 malware analysis & threat research. $0.01/query. Register in-session — free testnet funds.
60+ physical units, live currency conversion, IANA timezone conversion, date diffs
Verified U.S. logistics provider search with canonical profiles, freshness, and read-only tools.
United Arab Emirates payments for AI agents — Apple Pay / cards via Tap Payments. Never holds funds.
United Kingdom payments for AI agents — Stripe checkout via Stripe. Never holds funds.
Does my United flight have Starlink WiFi? Verified tail assignments, odds, and itineraries.
United States payments for AI agents — Stripe checkout via Stripe. Never holds funds.
Search verified U.S. manufacturers with provenance, freshness, and live directory statistics.
Send email with approval: hosted MCP for email, campaigns, contacts, domains.
A bridge between Unity and AI assistants using the Model Context Protocol (MCP).
8-dimension business diagnosis with Revenue Leak Score and triple-option recommendations
ZetaChain universal blockchain MCP server
Public threads, replies, and peer discovery for AI agents. Read publicly; use a private key to post.
Ask Universal Agents what we sell (Interplay), pricing, and FAQs; draft an intro email.
Run code, query databases, call any LLM, and commit to GitHub from your AI, safely. Free tier.
Your AI is genuinely intelligent. It can reason, plan, write code, and solve complex problems.
Remote MCP for Universal Cart merchant readiness MCP, structured receipts, audit logs, and reviewer-
The most extensive crypto MCP repository - 60+ networks, 100+ tools, DEX/CEX, DeFi, wallets, market data, automation, and x402 payments
Manage Universally website translations: sites, languages, strings, glossary rules and analytics.
Universities MCP — Hipolabs Universities API (free, no auth)
Electrical single-line and multi-line diagrams: build, check (NF C 15-100, IEC 60364), draw, PDF.
Unix day-of-year from seconds
Unix epoch milliseconds
Unix month 1-12 from seconds
Unix quarter 1-4 from seconds
Unix seconds to ISO date, number discarded
Unix seconds to ISO week-date
Unix seconds to UTC ISO, value discarded
Unix week number from seconds
Unix week number from seconds
Manage API keys, identities, permissions, rate-limit overrides and verification analytics.
Your why agent, the infra agent for your fleet. Your agents work from what you decided, and why.
Compare CSV tables by key; report changes and ambiguous rows. 0.05 USDC on Base via x402.
Paid Shopify CSV diagnostics for duplicate SKUs, malformed variants, and import risks.
Compare complete supplier quotes with exact totals and shipping. 0.05 USDC on Base via x402.
Generate email, page & PDF document templates as React code (Unlayer Elements) or AI; edit visually.
Check products, stock on hand, customers, orders, invoices and quotes, and create records.
MCP server for managing Unleash feature flags
Search and explore residential properties that aren't for sale (yet)
Playbook engine: non-dev founders land first paying customer in 60 days or refund
Agent skills for UnmarkAI — let Claude, Codex, Cursor, opencode and any MCP-capable agent remove hardcoded text (subtitles, captions, on-screen titles) from videos you own with a single…
A Model Context Protocol (MCP) server that connects AI assistants to the Unmarkdown API. Convert markdown to beautifully formatted documents, manage your document library, and publish pages to the…
Inspect and remove C2PA content credentials from AI-generated images, video and audio. Free, no key.
Time tracking and project profitability for freelancers: timer, hours and real hourly rate
Read-only search over Tesoro High School's public documents. Unofficial, unaffiliated.
The Uno Platform MCP Server to get up-to-date docs and prompts
Search university course materials, your flashcards, quizzes, streak and quota. All tools read-only.
Whiteboard where any shape opens into another canvas. Claude Code plugin renders plans on it.
Unpaywall MCP — open-access lookup for scholarly papers (free, no key)
URL intelligence for AI agents and developers. Structured signals on all URLs. 16 tools, 25 signal weights. 20 free checks.
Your assistant writes the ebook or report; Unplain designs it and returns a publish-ready PDF.
Should I allow this text? Profanity and toxicity checks that are hard to fool, with the evidence.
Financial data MCP for market, company, news, macro, and US Congress research.
Cross-platform CLI tool for Unreal-MCP (Skills & MCP). Resolves and launches the Unreal editor with MCP connection env vars, runs MCP/system tools
The official Model Context Protocol server for UnrealUGC. It gives MCP-compatible assistants eleven typed tools for browsing creators and models, estimating credit cost, and generating AI UGC video ads.
Search Unreasonable people, ventures, funders, programs, and commitments.
Context-aware reminders that surface when your situation matches, not at a fixed time.
Send a reminder to anyone with a public UnRemind.me page. No account or token.
Reclaim overpaid rent from Solana token accounts (SIMD-0437). Non-custodial, no API key.