Best Memory MCP Servers

High-performance code intelligence MCP server. Indexes codebases into a persistent knowledge graph — average repo in milliseconds. 158 languages, sub-ms queries, 99% fewer tokens. Single static binary, zero dependencies.

Map text into knowledge graphs to create a structured representation of conceptual relations and t…

Local-first MCP code intelligence: 37 tools — hybrid search, blast-radius, diff review, memory.

Local semantic code search with Git history. Works offline, no API key needed.

Local Markdown/Obsidian knowledge substrate for MCP agents with governed memory and hybrid search.

P2P shared memory substrate for AI agents — stigmergic knowledge network via libp2p

Agent reasoning, memory, and token-optimized context for AI applications.

Personal knowledge graph AI memory. 15 tools, 89 actions. Emotional intelligence, CRM, social.

Persistent memory for AI agents. Store, recall, and share knowledge across sessions.

Memory for deep conversational context across any platform

Collective episodic memory for AI coding agents — search, deposit, comment, showcase builds.

Search FDA safety data: drug adverse events, recalls, and device events.

Persistent memory for AI agents — log and recall conversation context over MCP.

Mitosis agent-memory platform: pricing, docs search, platform status, agent skills. No auth.

A persistent AI self you own — memory, persona, judgment — portable across all your AI hosts.

Local-first memory & context-handoff across AI tools — capture in one, resume in another. No cloud.

Persistent AI memory using orbital mechanics. 100% local, zero API keys, MCP-native.

Chat forgets your training. AIm doesn't — an AI coach for Claude with persistent memory.

Free Memory-First AI Operator course as an MCP server. Bundled curriculum, no account needed.

A self-improving, verifiable memory layer for AI coding agents.

Arca is a private data vault where your AI stores your structured data, semantic memory and skills.

AI knowledge graph for architecture, portfolio, and digital strategy management.

Truth-validated, SHA-512-sealed AI memory for Claude & Cursor. Free tier, OAuth, 38 tools.

Local-first persistent project memory for AI coding agents across MCP clients and sessions.

Check U.S. NHTSA vehicle safety recall campaigns by make, model, and year. Live official data.

Persistent memory and knowledge graph for AI assistants — keyword + vector + graph search.

Govern model, retrieval, memory, and tool access for AI applications and agents.

Persistent memory for AI agents. recall, remember, checkpoint — soul preservation.

Local-first, cross-harness memory for AI coding agents.

Privacy-first work tracking with summaries, reports, coaching, and AI-ready long-term memory.