Browse MCP tools for persistent memory, knowledge graphs, and context management in AI agent workflows.
Dragon Brain — persistent long-term memory for AI agents via MCP (Model Context Protocol). Knowledge graph (FalkorDB) + vector search (Qdrant) + CUDA GPU embeddings. Works with Claude, Gemini CLI, Cursor, Windsurf, VS Code Copilot. 31 tools, 1116 tests.
Persistent memory for AI agents. 91 MCP tools for remember, recall, rollback, audit, knowledge graph, eval, cortex, replay, governed actions, threat intel, auto-defense, and more. Works locally (zero config) or with Novyx Cloud.
MCP server enabling persistent memory for Claude through a local knowledge graph - fork focused on local development
Persistent memory for AI agents - Learn, remember, improve. Alternative to Mem0 with scoped learning, anti-patterns, multi-agent sharing, and MCP integration.
Your AI has amnesia. Persistent memory and cognitive context for AI. 25 MCP tools. 12ms recall.
Persistent memory graph for AI agents. Facts, decisions, entities, and relationships that survive across sessions, tools, and providers. MCP server — works with Claude, Cursor, ChatGPT, and any MCP client.
Local memory infrastructure for AI agents. Isolated vaults you compose, control, monitor and query — no cloud, no setup.
Zettelkasten-based persistent memory for AI coding agents. Works with Claude Code, Cursor, VS Code Copilot, Codex, Windsurf & any MCP client. No vector DB — just markdown + git sync.
Persistent memory and cross-session learning for AI coding assistants. Cloud-based context management via MCP.
| Tool | Stars | Language | License | Score |
|---|---|---|---|---|
| Dragon-Brain | ★ 40 | Python | MIT | 36 |
| memora | ★ 347 | Python | MIT | 37 |
| novyx-mcp | ★ 25 | Python | MIT | 39 |
| mcp-knowledge-graph | ★ 810 | JavaScript | MIT | 43 |
| ALMA-memory | ★ 20 | Python | — | 36 |
| brain-mcp | ★ 39 | Python | MIT | 37 |
| mie | ★ 36 | Go | AGPL-3.0 | 34 |
| ctxvault | ★ 29 | Python | MIT | 35 |
| memex | ★ 49 | TypeScript | MIT | 36 |
| mcp-server | ★ 30 | TypeScript | MIT | 40 |
The top mcp memory & knowledge tools include Dragon-Brain, memora, novyx-mcp. These are ranked by our composite score based on GitHub stars, community activity, and code quality.
Most tools listed here are open-source. 9 out of 10 have explicit open-source licenses, making them free to use and modify.
Consider your tech stack (language compatibility), project scale (stars indicate community trust), and specific features you need. Use the comparison table above to evaluate side by side.
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