Memory & Knowledge MCP Servers for Claude Code

Git-backed markdown memory for AI agents; search hides superseded and archived notes.

Answers about your own company from its recorded knowledge, and shows where its sources disagree.

One user-owned memory shared across AI assistants: recall, spaces, and confirmed references.

Save, search, read, tag, and organize your bookmarks from AI assistants with OAuth sign-in.

Local knowledge graph memory for agents. SHACL rules refuse bad facts; SPARQL and time travel.

Persistent memory for AI tools. Local-first knowledge graph with hybrid search.

Shared work memory for Claude Code, Codex, Cursor and chat, scoped to each repository.

SigB (Signal Bureau): maintained, source-traced record of entities and events in your named domain.

Neuro-symbolic memory for LLMs (POC)

Read public sources and manage a smry library, feeds, notes, highlights, files, and page monitors.

Read-only search of your Sortio knowledge graph (files and entities) for Claude and ChatGPT.

Read-only access to your SpeakPen voice notes: search, read transcripts, list recent ideas.

Your local project library: hand any AI a project pack, search it, and write findings back.

End-to-end agent-managed company brain. Docs, diagrams, plans, databases, agents, Knowledge Graph.

Search, read, and organize your saves from X, Reddit, TikTok, Instagram, and more.

Shared project memory for AI coding agents: decisions, lessons, risks and tasks in one graph.

Durable identity and memory for AI agents, anchored on the Emercoin blockchain.

An AI-native context platform that accumulates an organization's judgment. Built by South Gate Inc.

Bi-temporal AI memory. 56 tools, knowledge graph, semantic search. EU-hosted, free tier.

Write pages into your notes vault, search them, and publish one as a shareable link.

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