# Knowledge and memory MCP servers

Choose a server for your use case. Check its permissions and client support.

197 MCP servers. Also on the [web page](https://mcpdirectory.fyi/category/knowledge-memory).

## MCP servers

1. [adrkit decision memory](https://mcpdirectory.fyi/us/global/online/adrkit-decision-memory.md), Knowledge and memory, Online: Deterministic, offline, read-only ADR decision memory for coding agents. No model or network calls.
2. [Agent Magnet](https://mcpdirectory.fyi/tr/global/online/agent-magnet.md), Knowledge and memory, Online: Behavioral memory layer for AI tools. Learns preferences and context across Claude, Cursor, Codex.
3. [Agent Wikis](https://mcpdirectory.fyi/us/global/online/agent-wikis.md), Knowledge and memory, Online: Maintained, agent-readable knowledge bases with calibrated search and provenance. Pro key adds XL.
4. [Alaya Mcp](https://mcpdirectory.fyi/gb/global/online/alaya-mcp.md), Knowledge and memory, Online: Local memory engine for AI agents with knowledge graphs, forgetting, and semantic recall
5. [Aletheia](https://mcpdirectory.fyi/tr/global/online/aletheia.md), Knowledge and memory, Online: Project memory for coding agents whose memories carry code evidence, re-checked on every recall.
6. [Anki](https://mcpdirectory.fyi/br/global/online/anki.md), Knowledge and memory, Online: Study and manage Anki flashcards via AnkiConnect: quizzes, stats, leeches, bulk edits.
7. [Anytype Mcp](https://mcpdirectory.fyi/ch/global/online/anytype-mcp.md), Knowledge and memory, Online: Official MCP server for Anytype API - your encrypted, local and collaborative wiki.
8. [Apple Books](https://mcpdirectory.fyi/us/global/online/apple-books.md), Knowledge and memory, Online: Access your Apple Books library, annotations, reading progress, and highlights through Claude
9. [Apple Notes](https://mcpdirectory.fyi/us/global/online/apple-notes.md), Productivity and collaboration, Online: Inspect, search, create, edit, move, and organize notes in Apple Notes on macOS.
10. [Apple Tools (Unified)](https://mcpdirectory.fyi/us/global/online/apple-tools-unified.md), Productivity and collaboration, Online: Unified Apple ecosystem MCP server for macOS: Mail, Calendar, Notes, Files, Messages, and more.
11. [argot](https://mcpdirectory.fyi/be/global/online/argot.md), Developer tools, Online: Read-only context and complete checks against patterns learned from git history. Local; no LLM.
12. [AsDecided](https://mcpdirectory.fyi/gb/global/online/asdecided.md), Developer tools, Online: Read-only access to deterministic engineering decisions stored in a local repository.
13. [Beever Atlas](https://mcpdirectory.fyi/ca/global/online/beever-atlas.md), Knowledge and memory, Online: Open-source LLM knowledge base: team chat into a typed knowledge graph and auto-generated wiki.
14. [Better Bear](https://mcpdirectory.fyi/us/global/online/better-bear.md), Knowledge and memory, Online: MCP server for Bear notes — read, search, create, edit, tag, and manage notes via CloudKit
15. [Better Notion Mcp](https://mcpdirectory.fyi/vn/global/online/better-notion-mcp.md), Productivity and collaboration, Online: Markdown-first Notion for AI agents -- pages, databases, blocks, and comments in one call.
16. [Calibre Mcp](https://mcpdirectory.fyi/ua/global/online/calibre-mcp.md), Knowledge and memory, Online: Calibre ebook library server: search, read content, curate metadata, semantic search, gated writes.
17. [Cartographer](https://mcpdirectory.fyi/it/global/online/cartographer.md), Knowledge and memory, Online: Governance MCP server for agent-maintained knowledge bases (OKF): git-backed writes, search, lint.
18. [Claudex](https://mcpdirectory.fyi/ca/global/online/claudex.md), Knowledge and memory, Online: Persistent memory + FTS5 search MCP server for Claude Code conversation history.
19. [Clude](https://mcpdirectory.fyi/sg/global/online/clude.md), Knowledge and memory, Online: Portable agent memory anchored on Solana. Local SQLite + vector recall, open export.
20. [Codebase Memory](https://mcpdirectory.fyi/de/global/online/codebase-memory.md), Developer tools, Online: Codebase knowledge graph for AI agents — 162 languages, sub-ms queries, 99% fewer tokens.
21. [Context](https://mcpdirectory.fyi/us/global/online/context.md), Developer tools, Online: Local-first documentation for AI agents. Offline, instant, private doc retrieval.
22. [Context Mem](https://mcpdirectory.fyi/ge/global/online/context-mem.md), Knowledge and memory, Online: Persistent memory for AI agents — 98%+ retrieval recall, 99% token savings, 44 tools
23. [Context Sync](https://mcpdirectory.fyi/gb/global/online/context-sync.md), Knowledge and memory, Online: Universal AI Memory - Sync context across Claude, VsCode, Cursor, Continue, Windsurf, Zed & more
24. [ContextStream MCP Server](https://mcpdirectory.fyi/us/global/online/contextstream-mcp-server.md), Knowledge and memory, Online: The context platform for AI agents: code search, team decisions, and grounded project context.
25. [Cortex Memory Engine](https://mcpdirectory.fyi/ca/global/online/cortex-memory-engine.md), Knowledge and memory, Online: Local-first AI memory engine — 4-tier memory, people graph, Bayesian beliefs. Encrypted, 62µs.
26. [Cuba Memorys](https://mcpdirectory.fyi/mx/global/online/cuba-memorys.md), Knowledge and memory, Online: Persistent memory MCP server. 28 tools, BM25+MMR+OOD retrieval, tamper-evident audit, code graph.
27. [Data Olympus](https://mcpdirectory.fyi/ro/global/online/data-olympus.md), Knowledge and memory, Online: Governance-grade knowledge-base format (OKF-compatible) plus CLI and single-writer MCP server
28. [docling.rs](https://mcpdirectory.fyi/ch/global/online/docling-rs.md), Knowledge and memory, Online: Documents to Markdown for agents: PDF layout, tables and OCR, Office, HTML, scans. docling in Rust.
29. [DocPull](https://mcpdirectory.fyi/us/global/online/docpull.md), Search and research, Online: Sync public web sources into cited context packs for AI agents, RAG, and MCP clients.
30. [DollhouseMCP](https://mcpdirectory.fyi/us/global/online/dollhousemcp.md), Developer tools, Online: OSS to create Personas, Skills, Templates, Agents, and Memories to customize your AI experience.
31. [Ejentum Mcp](https://mcpdirectory.fyi/gr/global/online/ejentum-mcp.md), Developer tools, Online: Reasoning, code, anti-deception, memory harness MCP tools. Stdio or HTTPS api.ejentum.com/mcp
32. [emem, the verifiable memory protocol for the physical world](https://mcpdirectory.fyi/in/global/online/emem-the-verifiable-memory-protocol-for-the-physical-world.md), Knowledge and memory, Online: Shared, verifiable memory for machines and AI. Encode where data lives; decode with any AI.
33. [Global Agent Memory](https://mcpdirectory.fyi/tr/global/online/global-agent-memory.md), Knowledge and memory, Online: Shared, project-aware memory for Claude Code, Codex, and other agents with human review.
34. [Google Surf Mcp](https://mcpdirectory.fyi/kr/global/online/google-surf-mcp.md), Search and research, Online: Web, academic and code search with graph RAG, data lineage, ontology and cross-project schema links.
35. [Graph-MIND](https://mcpdirectory.fyi/kr/global/online/graph-mind.md), Knowledge and memory, Online: Local long-term memory shared by all your AI agents, kept word for word on your own PC.
36. [haiku.rag](https://mcpdirectory.fyi/gr/global/online/haiku-rag.md), Knowledge and memory, Online: Local-first agentic RAG with citations - hybrid search, reranking, multimodal document retrieval
37. [Hive Vault](https://mcpdirectory.fyi/us/global/online/hive-vault.md), Knowledge and memory, Online: On-demand Obsidian vault access for AI coding assistants — 17 tools, 5 resources, 4 prompts.
38. [Hivemind](https://mcpdirectory.fyi/us/global/online/hivemind.md), Knowledge and memory, Online: MCP server for Obsidian vaults - AI tools with consistent canonical context. Local-first.
39. [hmem — Humanlike Memory for AI Agents](https://mcpdirectory.fyi/de/global/online/hmem-humanlike-memory-for-ai-agents.md), Knowledge and memory, Online: Persistent 5-level hierarchical memory for AI agents. SQLite-backed, lazy-loaded.
40. [Holographic Memory](https://mcpdirectory.fyi/us/global/online/holographic-memory.md), Knowledge and memory, Online: Local persistent memory for AI agents with recall, search, forgetting, and encrypted storage.
41. [Hypermnesia Mcp](https://mcpdirectory.fyi/fr/global/online/hypermnesia-mcp.md), Knowledge and memory, Online: Persistent memory for AI agents — 36 cited neuroscience mechanisms, local-first, hybrid retrieval.
42. [Infimium](https://mcpdirectory.fyi/in/global/online/infimium.md), Developer tools, Online: Private AI context layer for semantic code search, dependency graphs, memory, and workspaces.
43. [IWE (iwe.md)](https://mcpdirectory.fyi/us/global/online/iwe-iwe-md.md), Knowledge and memory, Online: Markdown knowledge base as agent memory. Runs against the notes directory it is started in.
44. [jevmem](https://mcpdirectory.fyi/gb/global/online/jevmem.md), Knowledge and memory, Online: Automatic project memory for Claude Code and Cursor; Codex and Claude Desktop over MCP.
45. [Koma Core MCP](https://mcpdirectory.fyi/fi/global/online/koma-core-mcp.md), Knowledge and memory, Online: Protected RAG storage — agents discover public metadata, content only by access token.
46. [lean-memory](https://mcpdirectory.fyi/ch/global/online/lean-memory.md), Knowledge and memory, Online: Embedded, local-first agent memory: one SQLite file per namespace, no server, no cloud.
47. [Lifeos](https://mcpdirectory.fyi/ir/global/online/lifeos.md), Productivity and collaboration, Online: Self-hosted life OS: habits, goals, tasks, finances and notes over a token-protected API.
48. [Linksee Memory](https://mcpdirectory.fyi/sg/global/online/linksee-memory.md), Knowledge and memory, Online: Hand a project over with the reasons attached. Local-first cross-agent memory MCP + drift detection.
49. [LLMSlim memory](https://mcpdirectory.fyi/in/global/online/llmslim-memory.md), Knowledge and memory, Online: Long-term memory and context fitting for agents, with no LLM in the loop. Local SQLite.
50. [llmwiki](https://mcpdirectory.fyi/us/global/online/llmwiki.md), Knowledge and memory, Online: Compile documents into a cited knowledge wiki. Retrieve evidence, query, and review via local MCP.

This copy lists 50 of 197. The [web page](https://mcpdirectory.fyi/category/knowledge-memory) has the rest.

## Knowledge and memory by city

- [Online, Global](https://mcpdirectory.fyi/us/global/online/category/knowledge-memory.md): 61 MCP servers
- [Online, Global](https://mcpdirectory.fyi/gb/global/online/category/knowledge-memory.md): 14 MCP servers
- [Online, Global](https://mcpdirectory.fyi/de/global/online/category/knowledge-memory.md): 12 MCP servers
- [Online, Global](https://mcpdirectory.fyi/cn/global/online/category/knowledge-memory.md): 10 MCP servers
- [Online, Global](https://mcpdirectory.fyi/in/global/online/category/knowledge-memory.md): 9 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ca/global/online/category/knowledge-memory.md): 8 MCP servers
- [Online, Global](https://mcpdirectory.fyi/kr/global/online/category/knowledge-memory.md): 7 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ae/global/online/category/knowledge-memory.md): 5 MCP servers
- [Online, Global](https://mcpdirectory.fyi/tr/global/online/category/knowledge-memory.md): 5 MCP servers
- [Online, Global](https://mcpdirectory.fyi/fr/global/online/category/knowledge-memory.md): 4 MCP servers
- [Online, Global](https://mcpdirectory.fyi/jp/global/online/category/knowledge-memory.md): 4 MCP servers
- [Online, Global](https://mcpdirectory.fyi/sg/global/online/category/knowledge-memory.md): 4 MCP servers
- [Online, Global](https://mcpdirectory.fyi/vn/global/online/category/knowledge-memory.md): 4 MCP servers
- [Online, Global](https://mcpdirectory.fyi/br/global/online/category/knowledge-memory.md): 3 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ch/global/online/category/knowledge-memory.md): 3 MCP servers
- [Online, Global](https://mcpdirectory.fyi/no/global/online/category/knowledge-memory.md): 3 MCP servers
- [Online, Global](https://mcpdirectory.fyi/dk/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/es/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/fi/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/gr/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ie/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/il/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/it/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ro/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ru/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/se/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/ua/global/online/category/knowledge-memory.md): 2 MCP servers
- [Online, Global](https://mcpdirectory.fyi/at/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/au/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/be/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/ge/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/hk/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/hu/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/id/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/ir/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/kw/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/kz/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/li/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/mx/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/my/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/nl/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/ph/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/pt/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/rs/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/th/global/online/category/knowledge-memory.md): 1 MCP server
- [Online, Global](https://mcpdirectory.fyi/tw/global/online/category/knowledge-memory.md): 1 MCP server

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