UCSC Genome Browser REST API — reference genome assemblies for ~250 species, the annotation tracks…
Servers with an HTTPS address: nothing to install locally, just paste the URL into your client's settings. Each one is health-checked on a schedule.
Unofficial UET Taxila guide: merit calculator, programs, fees and cited admissions answers.
Make ads, images and video from a URL; every paid generation is quoted in credits first
Search and install interactive React components with unusual motion, via the shadcn CLI.
Stop generic UI slop in Codex, Claude Code, and Cursor.
- Create Ui Design Contract: Create the required machine-readable design contract from the target repository, product intent, states, constraints, and UIZZE evidence before implementation.
- Get Ui Reference Brief: Search UIZZE for deeper product evidence, screenshots, flows, states, components, and implementation guidance before creating or refining a design contract.
- Validate Implementation Manifest: Validate changed files, components, states, control outcomes, design-system reuse, and screenshot evidence against a UIZZE design contract.
UK business leads from Google Maps with emails, phones, Companies House directors and outreach.
UK Register of Charities from the Charity Commission for England and Wales: look up any registered…
UK Environment Agency real-time flood-monitoring MCP.
UK planning designations from planning.data.gov.uk, the MHCLG national planning data platform…
UK sort code 6-digit shape, value discarded
UK sort-code hyphenated shape, value discarded
UK Integrated Online Tariff from HMRC's trade-tariff service: look up a UK commodity code, its…
UK first-tier tribunal decisions — GOV.UK search + content API.
ULID Crockford no-hyphen, value discarded
Unblocked is the context layer for agentic software development.
Search UNESCO World Heritage sites, intangible heritage, biosphere reserves, and Global Geoparks.
What is Unpaged?
- Document Create: Start a new whiteboard — for a plan the team should review, an architecture to show in a design review, research to map, decisions to keep. Returns the document with `rootNodeId` (the
- Document Get: Read a whole whiteboard — every canvas (node) and every element on it — to understand or extend it before editing, or to answer questions about what is on it.
- Document List: Find the user's whiteboards by title — the first call when they mention 'the roadmap board', 'the architecture board' or 'that plan we made': lists documents you own or that were shared
One connector for the entire MCP catalog — 15,000+ servers plus your team's private MCPs — callable from Claude, ChatGPT, Cursor, VS Code and any MCP client.
- Search Mcps: Search the Unyly MCP catalog (47,000+ servers) by task, name or category. Returns matching MCPs: slug, name, what they do, and reachability ([remote] = callable through the gateway; [host
- List Mcp Tools: Unyly gateway — list the tools of a catalog MCP by slug (from search_mcps), so you can see what it can do before calling use_mcp_tool. If it replies that the server is hosted/stdio and
- Use Mcp Tool: Unyly gateway — call a tool on any of the 47,000+ MCP servers in the Unyly catalog. Provide mcp_slug, tool, and arguments (object). "Payment required" means the user’s team/wallet balanc
UPC-A check-digit shape, value discarded
UPPERCASE run length band, text discarded
Real-time data APIs for 50+ commerce, grocery, social and maps platforms over one OAuth MCP server
US fluid drams to milliliters, number discarded
US National Archives Catalog (NARA): search the federal government's permanent records…
USDA-NRCS Soil Data Access over SSURGO, the field-surveyed US soil map — the soil at any US…
Give your AI agents the ability to ask real users why.
Username Search & Lookup - Maigret OSINT Tool
Receipts-verified reviews of x402 services and paid APIs.
- Search Services: Search the UseTested directory of agent-economy services (x402 endpoints, MCP servers, AI APIs). Free. Returns verdict, scores, price per call, and measured latency.
- Get Review: Full receipts-verified review of one agent-economy service: BUY/CAUTION/AVOID/INTERIM verdict (INTERIM = single verified result, pending deep review), scores, measured latency/error rate,
- Request Review: Request that UseTested buy and test an agent-economy service (x402 endpoint, MCP server, AI API) we haven't reviewed yet. Free. Queues the service for evaluation consideration — reques
USGS MRData MCP — the Mineral Resources Data System (MRDS)
USGS The National Map (TNM) Access API MCP
USITC IDS (Investigations Database System, ids.usitc.gov) — the CASE
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