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OpenCode向けおすすめMCPサーバー（2026年）

OpenCode向けに人気のオープンソースMCPサーバー30件を、GitHubのスター数順に並べました。各サーバーのページでは、リポジトリ情報、（README に記載がある場合は）インストール設定、関連サーバーを確認できます。

  1. ruflo ★74716 – 🌊 The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conver
  2. context7 ★63053 – Context7 Platform -- Up-to-date code documentation for LLMs and AI code editors
  3. codebase-memory-mcp ★46616 – High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in mil
  4. serena ★30270 – A powerful MCP toolkit for coding, providing semantic retrieval and editing capabilities - the IDE for your agent
  5. context-mode ★29327 – Context window optimization for AI coding agents. Sandboxes tool output (98% reduction), persists session memory, and
  6. activepieces ★25058 – AI Agents & MCPs & AI Workflow Automation • (~400 MCP servers for AI agents) • AI Automation / AI Agent with MCPs • AI W
  7. n8n-mcp ★23073 – A MCP for Claude Desktop / Claude Code / Windsurf / Cursor to build n8n workflows for you
  8. Auto-claude-code-research-in-sleep ★17502 – ARIS ⚔️ (Auto-Research-In-Sleep) — Lightweight Markdown-only skills for autonomous ML research: cross-model review loops
  9. mcp-use ★10763 – The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.
  10. Trail-Code ★10038 – Turbocharge Claude Code, Cursor, Codex, Gemini & every coding agent: faster, cheaper, with contextual understanding spec
  11. MobileBuildMCP ★6480 – A Model Context Protocol (MCP) server and CLI that provides tools for agent use when working on iOS and macOS projects.
  12. semble ★6209 – Fast and Accurate Code Search for Agents. Uses 99% fewer tokens than grep+read
  13. open-seo-mcp-skills ★5546 – Free SEO MCP server + open-source SEO and GEO skills for Claude: keyword research, rank tracking, audits, backlinks, AI
  14. zotero-mcp ★5398 – Zotero MCP: Connects your Zotero research library with Claude and other AI assistants via the Model Context Protocol to
  15. code-graph-rag ★5258 – The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowle
  16. exa-mcp-server ★5131 – Exa MCP for web search and web crawling!
  17. marketing-skills ★4617 – Claude skills for marketing: 49 free marketing skills for Claude Code and claude.ai (Google Ads, Meta Ads, SEO, AI visib
  18. Unity-MCP ★4461 – AI Skills, MCP Tools, and CLI for Unity Engine. Full AI develop and test loop. Use cli for quick setup. Efficient token
  19. excel-mcp-server ★4241 – Excel MCP server: let AI (Claude, Cursor, Codex) create and edit Excel files with charts, PivotTables, slicers and formu
  20. design-extract ★4237 – Extract any website's complete design system with one command. DTCG tokens, semantic+primitive+composite, MCP server for
  21. fast-agent ★3936 – Code, Build and Evaluate agents - excellent Model and Skills/MCP/ACP/A2A Support
  22. linkedin-mcp-server ★3875 – Open-source MCP server for LinkedIn. Give Claude and any MCP-compatible AI agent access to profiles, companies, jobs, an
  23. hyperresearch ★3856 – Convert Claude Code or Codex into the most intelligent Deep Research Agent. Collect, search, and synthesize web research
  24. pipeshub-ai ★3833 – The open-source context layer for AI agents. PipesHub turns your company's knowledge (Slack, Drive, Jira, GitHub, Micros
  25. dbhub ★3651 – Token conscious database MCP server for Postgres, MySQL, SQL Server, Oracle, MariaDB, SQLite.
  26. google_workspace_mcp ★3339 – Control Gmail, Google Calendar, Docs, Sheets, Slides, Chat, Forms, Tasks, Search & Drive with AI - Comprehensive Google
  27. cortex ★3248 – Cortex - Generates interactive API documentation, typed SDKs, and MCP servers from OpenAPI, AsyncAPI, GraphQL, gRPC, Ope
  28. Silex ★3004 – Silex is an online tool for visually creating static sites with dynamic data. With the free/libre spirit of internet, to
  29. vexa ★2885 – Open-source meeting transcription API for Google Meet, Microsoft Teams & Zoom. Auto-join bots, real-time WebSocket trans
  30. jcodemunch-mcp ★2771 – Cut AI token costs 95%+ on code exploration. The leading MCP server for precise, symbol-level GitHub code retrieval via

よくある質問

OpenCode向けのMCPサーバーとは？

MCP（Model Context Protocol）サーバーは、Claude、Cursor、VS CodeのGitHub CopilotなどのAIアシスタントを外部のツールやデータにつなぐプログラムです。このページではOpenCodeに特化したサーバーを紹介しています。

ランキングの基準は？

GitHubのスター数と最近の更新状況です。2026年10月15日に更新した公開リポジトリのデータを使っています。

インストール方法は？

多くのサーバーは、クライアントのMCP設定ファイルにnpx・uvx・Dockerのコマンドを追加するだけで使えます。Claude Desktop、Cursor、VS Code向けのガイドで手順を詳しく説明しています。

関連ガイド

週刊MCPダイジェスト – 新着・話題のMCPサーバーをメールでお届けします。