API Integration
| Server | Language | Stars | Downloads |
|---|---|---|---|
| Universal Blockchain MCP Universal blockchain MCP - swaps bridges staking lending Ethereum Arbitrum | — | — | — |
| universal-openapi-mcp | TypeScript | 2 | — |
| Universal Screenshot MCP MCP server for web page and cross-platform system screenshots (macOS, Linux, Windows) | TypeScript | — | — |
| universities Universities MCP — Hipolabs Universities API (free, no auth) | — | — | — |
| Unla 🧩 MCP Gateway - A lightweight gateway service that instantly transforms existing MCP Servers and APIs into MCP servers with zero code changes. Features Docker deployment and management UI, requiring no infrastructure modifications. | TypeScript | 2.1k | — |
| Unmarkdown The document publishing layer for AI tools. Convert markdown to 6 destinations, 62 templates. | TypeScript | — | — |
| Unphurl URL intelligence for AI agents and developers. 16 tools, 25 signal weights, 20 free checks. | TypeScript | — | — |
| unraid-mcp Query, monitor, and manage Unraid servers via GraphQL API through MCP tools. Supports system info, Docker, VMs, array/parity, notifications, plugins, rclone, and live telemetry. | Python | 59 | — |
| unreal-api-mcp Instant, accurate Unreal Engine API lookups instead of expensive source file reads, saving your agent tokens, context, and hallucinations. | Python | 70 | — |
| unreal-mcp-ue4 UE4.27 MCP server for controlling Unreal Editor sessions over Python Remote Execution. | TypeScript | — | — |
| unstract LLM-Driven Extraction of Unstructured Data — Built for API Deployments & ETL Pipeline Workflows | Python | 6.6k | — |
| Untap UK refunds inside your AI assistant: train delays, flights, TfL, parking. Made in London. | — | — | — |
| untappd-mcp-server MCP server exposing Untappd API tools for AI agents | TypeScript | — | — |
| unulu AI agent website builder. Create and publish link-in-bio sites via MCP or REST API. | — | — | — |
| uooks Books MCP — wraps Open Library API (free, no auth) | — | — | — |
| uored Bored MCP — wraps Bored API (free, no auth) | — | — | — |
| UptimeProbe HTTP health checks, SSL expiry monitoring, TCP port scanning, and batch URL testing. | — | — | — |
| @uqpay/mcp-server MCP server for the UQPAY API | TypeScript | — | — |
| ureweries Breweries MCP — Open Brewery DB API (free, no auth) | — | — | — |
| URL2SNAP (Website Screenshot) Captures website screenshots through the Abstract API and serves them locally, enabling visualization of web content without requiring direct site visits. | — | 1 | — |
| URL Safety Validator MCP AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel. | TypeScript | — | — |
| URL Shortener API Shorten URLs with hash-based codes or custom aliases. x402 micropayment. | — | — | — |
| URL Shortener — Hash-Based Compact Links URL shortening API for AI agents. Convert long URLs into compact short links with hash-based IDs, custom alias support, and instant redirect. Tools: utility_shorten_url. Use this for generating shareable links, tracking URLs, or fitting long URLs into character-limited formats. Returns: {shortUrl, hash, originalUrl}. No API key required — x402 micropayment $0.001/call on Base L2. | — | — | — |
| URL Text Fetcher Extracts visible text content and hyperlinks from web pages using requests and BeautifulSoup4 for web scraping, content analysis, and link discovery workflows. | — | 2 | — |
| Usaspending USAspending MCP — Federal spending data from USAspending.gov API | — | — | — |