MCP servers for long-term memory and vector search: store notes, embeddings and facts so an AI assistant remembers across sessions. 799 servers in this category.
Provides AI agents with a Neo4j-backed knowledge graph memory featuring hybrid keyword, semantic, and fuzzy search capabilities.
$claude mcp add reverie -- npx -y @knowall-ai/reverieStores and searches an agent's entities and relationships in a Neo4j knowledge graph with hybrid keyword, semantic, and fuzzy matching.
$claude mcp add mcp-reverie -- npx -y @knowall-ai/reverie
Lets an AI agent store, recall, and calibrate persistent memories, search indexed documents, and report outcomes.
$claude mcp add mcp -- npx -y memcell
Gives AI coding tools one local SQLite memory and rules store shared over MCP, REST and CLI, and syncs rules into CLAUDE.md and AGENTS.md.
$claude mcp add aletheia-mem -- npx -y aletheia-mem
Organizes thoughts into a persistent knowledge graph using cognitive districts and BM25 semantic ranking for neurodivergent thinking patterns.
$claude mcp add neurodivergent-memory -- npx -y neurodivergent-memory
Lets AI agents save, inspect, correct and forget memories across sessions, keeping a Source Receipt for each one.
$claude mcp add --transport http cairn-memory https://cairn.ink/api/mcp
Provides persistent, governed long-term memory and session continuity for AI agents across different tools and sessions.
$claude mcp add memory-os-cli -- npx -y @xmemo/client
Provides persistent, local-first memory for AI coding agents using hybrid keyword and semantic retrieval to maintain context across sessions.
$claude mcp add awareness-market -- npx -y @awareness.market/local
Provides local long-term memory for AI coding agents using a SQLite database to store preferences, lessons, and user habits.
$claude mcp add th-memory-mcp -- npx -y th-memory-mcp
Provides persistent semantic memory for AI agents with automatic context management and write-back capabilities to Slack, Gmail, and GitHub.
$claude mcp add ainative-zerodb-memory-mcp -- npx -y ainative-zerodb-memory-mcp
Provides a self-hosted, fragment-based long-term memory system for AI agents using PostgreSQL and Redis.
$claude mcp add weasley-deepmind -- npx -y weasley-deepmindProvides a persistent knowledge graph and long-term memory for AI agents with bitemporal history and provenance.
$claude mcp add knowmind -- npx -y knowmind
Provides persistent memory and a typed knowledge graph for AI agents with bitemporal history and provenance.
$claude mcp add knowmind -- npx -y knowmind
Provides persistent, layered shared memory for AI agents and bot teams using a verified, non-deletable document control system.
$claude mcp add emet -- npx -y @dreamforgestudiollc/emet
Provides a shared Graph-RAG memory system for AI agents using a markdown vault with wikilink recall, task management, and messaging.
$claude mcp add mind-mri-agent-second-brain -- npx -y mind-mri-second-brainProvides AI agents with a serverless database for vector search, NoSQL, PostgreSQL, file storage, and persistent memory.
$claude mcp add ainative-zerodb-mcp-server -- npx -y ainative-zerodb-mcp-server
Provides AI agents with self-improving, secure memory through a hash-chained ledger that enforces corrections and prevents reintroducing retired values.
$claude mcp add memory-pulse -- npx -y memory-pulse
Provides a private memory layer for AI assistants that stores and recalls information locally on your computer.
$claude mcp add modelbrain-mcp -- npx -y modelbrain-mcpProvides a cloud-persistent knowledge graph memory with semantic vector search for AI clients using ZeroDB.
$claude mcp add ainative-memory-mcp -- npx -y ainative-memory-mcp
Provides a local long-term memory graph for AI agents to store and retrieve information via MCP and REST.
$claude mcp add anairyspirit -- npx -y anairyspirit