sem MCP server

Entity-level code intelligence: semantic diff, impact analysis, blame, and context for AI agents

Memory and agent tools ★ 3,398 GitHub starsv0.27.0Updated Oct 4, 2026

Install

npm (stdio)npx -y @ataraxy-labs/sem

JSON for apps that use an mcpServers block (Claude Desktop, Cursor and others):

{"mcpServers": {
  "sem": {
    "command": "npx",
    "args": ["-y", "@ataraxy-labs/sem"]
  }
}}

From the server's registry entry. Many servers also need an API key or other settings: check the repository's README before you run it.

About this server

Registry name	`io.github.Ataraxy-Labs/sem`
Repository	github.com/Ataraxy-Labs/sem
Website	ataraxy-labs.com
Packages	npm `@ataraxy-labs/sem`
In the registry since	Oct 4, 2026
GitHub stars	3,398

Listed from the official MCP Registry. We have not reviewed or tested this server; a local server runs code on your machine, so read the repository first.

Use it with

AI agents whose docs say they support MCP.

OpenAI Codex Claude Code LangChain Pi OpenCode Cursor GitHub Copilot LangGraph AI SDK Strands Agents Lovable Replit Agent

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