Memory & Knowledge MCP Servers

MCP Server for AI Books - Universal LLM context extension via gravitational memory compression

Local-first persistent memory for AI agents. SQLite + hybrid search (keyword + local vector embeddings). Zero API costs. Works with Claude

Read, publish and explore creative bisociations between concepts on unbancodeideas.com.

Chitta - permission-aware memory for AI agents: a knowledge-graph + vector memory MCP server + SDK with per-user access control. Runs on

MCP server for AI-powered codebase indexing with auto-save checkpoints, incremental updates, real-time progress tracking, and index

MCP server for Dify knowledge base retrieval

Local-first MCP server serving a project's business-domain knowledge to MCP-compatible agents.

Semantic search MCP server for Claude Code conversation sessions

Persistent memory for AI native teams. Shared memory across Claude Code, Cursor, Codex, and self-hosted LLMs via MCP.

MCP server for AI knowledge repository (rules, skills, workflows, agents, commands, templates)

MCP server for Hookmark — exposes the hook CLI as MCP tools for Claude Code

MCP server for Hydra DB: State-of-the-art agentic memory with recall, ingest, and knowledge graph context

Hierarchical markdown memory palace for AI agents — structured palace navigation via MCP tools.

MCP server para Obsidian

Persistent memory for AI agents. Store context, retrieve it semantically.

Recall past Claude Code conversations from any project as clean, compact Markdown.

Self-hosted memory layer for AI agents — MCP server backed by Postgres + pgvector + knowledge graph

An elephant never forgets — and neither should your AI. Search and resume past Claude Code conversations via MCP.

MCP ask/question server for Nuwax conversation interaction cards.

Local MCP server for the Remember.md second brain — semantic search + retrieval over your markdown brain.

Persistent memory and session intelligence for AI coding assistants. Zero config.