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Best of 2026

Best mcp servers for memory & knowledge

We track 2,424 mcp servers in Memory & knowledge. The top pick by GitHub stars is ECC (279,581 ★), followed by rea (248,002 ★). The most recently updated in this list is rea (last commit 1h ago). Rankings refresh daily from GitHub.

Comparison of top MCP servers for Memory & knowledge
#NameStars
1ECCJavaScript · MIT · 2d ago279,581
2reaTypeScript · MIT · 1h ago248,002
3JavaGuideJavaScript · Apache-2.0 · 3d ago159,029
4DifyTypeScript · 1h ago158,507
5Open WebuiPython · 7h ago155,715
6Crawl4aiPython · Apache-2.0 · 3h ago85,563
7LobehubTypeScript · 1h ago83,238
8HeadroomPython · Apache-2.0 · 7h ago75,383
9RufloTypeScript · MIT · 13h ago74,707
10MempalacePython · MIT · 11h ago59,570
  1. #1ECC

    The agent harness performance optimization system. Skills, instincts, memory, security, and research-first development for Claude Code, Codex, Opencode, Cursor and beyond.

    $/plugin marketplace add https://github.com/affaan-m/ECC
  2. Java 面试 & 后端通用面试指南,覆盖计算机基础、数据库、分布式、高并发、系统设计与 AI 应用开发

    $git clone https://github.com/Snailclimb/JavaGuide
  3. Build Agentic workflows, RAG pipelines, with rich AI model and tool support on one collaborative workspace. Deploy on cloud, VPC, or self-hosted, so teams move from prototype…

    $git clone https://github.com/langgenius/dify
  4. Open-source web crawler and scraper for LLMs and AI agents: any website into clean, LLM-ready Markdown. Run it yourself, or use Crawl4AI Cloud with one key.

    $git clone https://github.com/unclecode/crawl4ai
  5. Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy,…

    $pipx install --python python3.13 "headroom-ai[all]"
  6. The original agent harness. Deploy intelligent multi-player swarms, coordinate autonomous workflows, and build conversational AI systems. Features adaptive memory,…

    $claude mcp add claude-flow -- npx ruflo@latest mcp start