ue-mcp
★ 117
vs
semble
★ 4.5k
ue-mcp vs semble
ue-mcp: UE-MCP (Unreal Engine Model Context Protocol Server) gives AI assistants deep read/write access to the Unreal Editor through 19 category tools covering 300+ actions. It uses a WebSocket JSON-RPC bridge plugin inside the editor and provides direct filesystem access. This enables programming Blueprints, materials, levels, actors, animation, VFX, landscape, PCG, foliage, audio, UI, physics, navigation, AI, GAS, networking, sequencer, and build pipeline through natural language.; semble: Semble is a high-performance code search library designed for AI agents, providing instant access to precise code snippets. It offers significantly faster indexing and querying compared to transformer models, achieving 99% of their retrieval quality while running entirely on CPU without external dependencies.
01
TL;DR
Choose ue-mcp if…Control Unreal Editor via natural language commands from an AI assistant
Choose semble if…Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
02
Side-by-Side Comparison
03
Features
ue-mcp0119 tool categories covering 300+ actions across all major Unreal Editor subsystems
02Natural language programming through AI assistant integration
03Automatic bridge plugin deployment and MCP client configuration with a single command
04Cross-platform support for Windows (UE 5.4–5.7) and Linux (UE 5.6+)
05Seamless integration with MCP clients like Claude Code, Claude Desktop, and Cursor
semble01Fast performance on CPU (indexes in ~250ms, queries in ~1.5ms)
02High accuracy (NDCG@10 of 0.854), comparable to transformer models
03Supports indexing local paths and remote Git repositories
04Functions as an MCP server for various AI agents
05Zero setup, no API keys, GPU, or external services required
04
Use Cases
ue-mcp↳Control Unreal Editor via natural language commands from an AI assistant
↳Automate scene editing, asset management, and level design tasks
↳Integrate game development workflows with AI-powered tools like Claude
semble↳Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
↳Searching local or remote codebases for specific code snippets based on natural language or code queries
↳Finding semantically similar code sections related to a given file path and line number
05
Best For
ue-mcpTrendingDev Tooling
sembleCode AssistantRAG / Knowledge Base
FAQ
FAQ
What is the difference between ue-mcp and semble?
Both ue-mcp and semble are in the Dev Tooling category. ue-mcp has 117 stars, while semble has 4.5k stars.
Which is better, ue-mcp or semble?
The best choice depends on your use case. Choose ue-mcp if Control Unreal Editor via natural language commands from an AI assistant, and semble if Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities.
Is ue-mcp free or open source?
Yes, ue-mcp is open source on GitHub (MIT).
Is semble free or open source?
Yes, semble is open source on GitHub (MIT).
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