Dev Tools
| Server | Language | Stars | Downloads |
|---|---|---|---|
| tsserver-mcp MCP server that provides TypeScript language features using tsserver | TypeScript | - | - |
| @ttpears/gitlab-mcp-server GitLab MCP Server with GraphQL discovery | TypeScript | - | - |
| TurboPentest MCP server for TurboPentest. Blockchain-attested collaborative agentic penetration testing from your AI assistant. | — | - | - |
| tvctl A terminal remote, CLI, TUI, and MCP server for Roku TVs. | TypeScript | - | - |
| TypeScript Prompt Development Provides a TypeScript-based development environment for creating, testing, and refining structured prompts locally before production deployment. | — | 2 | - |
| @uarlouski/testrail-mcp-server Model Context Protocol (MCP) server for TestRail integration, enabling LLMs to fetch test cases and metadata. | TypeScript | 39 | - |
| UAT Runner Human-in-the-loop user acceptance testing tool for agent-developed code. | — | 1 | - |
| @uditgoenka/better-testing AGPL-3.0 browser-testing MCP server with lifecycle-safe process management. | TypeScript | - | - |
| uefn-mcp-server MCP server for controlling UEFN (Unreal Editor for Fortnite) from Claude Code — 22 tools for actors, assets, levels, viewport, and Python execution | Python | 69 | - |
| UFO UFO³: Weaving the Digital Agent Galaxy | Python | 9.8k | - |
| UI Ticket Human-to-AI code review bridge for UI prototypes with browser annotations. | Python | 9 | - |
| uk.openqr/qr Generate QR codes; create, edit & track dynamic QR codes with scan analytics. Free, no watermark. | — | - | - |
| uml.singsk.com PlantUML Render, validate, encode/decode PlantUML diagram-as-code; 22 diagram types. Free, no auth. | — | - | - |
| @unclesaliva/java-ai-debugger Java AI Debugger — MCP server (TypeScript) for remote JVM debugging via JDWP | TypeScript | - | - |
| Unity AI CLI Bridge Go-based CLI bridge exposing Unity Editor's built-in MCP tools through stdio, enabling AI agents to perform scene manipulation, compilation, testing, and asset management. | — | 5 | - |
| UnityMCP Enables real-time interaction with Unity Editor projects for tasks like automated level design, asset management, and debugging assistance through C# command execution and editor state retrieval. | C# | 515 | - |
| Unreal Engine Analyzer Analyzes Unreal Engine codebases, enabling deep insights into class hierarchies, subsystems, and game patterns. | — | 153 | - |
| UnrealMotionGraphicsMCP 🚀 UE5-UMG-MCP: A deep-focused MCP for Unreal Engine UMG layout. Designed to maximize AI efficiency within limited context windows by prioritizing precision in UI structure, animations, and blueprint integration. | C++ | 202 | - |
| @urdigital/mcp-server-shared Shared HTTP client and env helpers used by @urdigital MCP server packages. | TypeScript | - | - |
| @useloupe/mcp-server MCP server for Loupe. Exposes browser-captured annotations to Claude Code, Cursor, and other MCP clients. | TypeScript | - | - |
| user-scanner 🕵️♂️ (2-in-1) Email & Username OSINT suite for deep data extraction just from a single Email/Username. Analyzes 465+ actively maintained scan vectors (175+ email / 290+ username) for security research, investigations, and digital footprinting. | Python | 4.9k | - |
| @uxuiprinciples/mcp-server MCP server for UX/UI Principles - 185 research-backed principles, UX smells, and flow checklists for Claude Desktop and Claude Code. | TypeScript | - | - |
| @vader7w/mcp-server DevAid MCP Server - Document and search your projects with AI-powered tools | TypeScript | - | - |
| @vantageos/vantage-registry-mcp MCP server exposing VantageRegistry Convex functions as Claude Code tools | TypeScript | - | - |
| var.gg Naming Memory Curated multilingual dictionary that names code identifiers from domain concepts (KO/JA/ZH/VI/EN). | — | - | - |