Index live · v1.3.0 · MAY 26 2026

MCP category

Knowledge & Memory

Persistent memory, knowledge graphs, and context management for AI agents

7 servers in this category

Cognee

by topoteretes

Community

Memory manager with graph + vector stores and 30+ data sources.

stdioPython
Knowledge & Memory
12.4K
Open

Memory

by Anthropic

Official

Knowledge graph-based persistent memory system for AI agents.

stdioTypeScript
Knowledge & Memory
Reference server
Open

Obsidian (Knowledge)

by calclavia

Community

Read, search, and manage notes in Obsidian vaults for AI memory.

stdioTypeScript
Knowledge & Memory
144+ Smithery uses
Open

Basic Memory

by Basic Memory

Community

Persistent semantic graph from AI conversations stored in Markdown.

stdioPython
Knowledge & Memory
Open

MemoryMesh

by CheMiguel23

Community

Enhanced graph-based memory for roleplay and storytelling.

stdioTypeScript
Knowledge & Memory
Open

Mem0

by Mem0.ai

Community

Structured persistent memory across conversations.

stdioPythonAPI Key
Knowledge & Memory
Open

Graphlit

by Graphlit

Community

Ingest from Slack to Gmail to podcast feeds with RAG capabilities.

stdioTypeScriptAPI Key
Knowledge & Memory
Open