Knowledge & Memory – MCP servers
339 MCP servers in the category Knowledge & Memory. Open-source Model Context Protocol (MCP) servers that let AI assistants and agents use external tools and data. Entries come from the community list awesome-mcp-servers; we have not tested each server, so check the repository before you install one.
Mnemosyne-OS/Mnemosyne-Neural-OS
Human-governed memory in local, domain-separated vaults with hybrid retrieval; also reads other coding agents' output. Requires the Mnemosyne OS…
mnemoverse/mcp-memory-server
Hosted memory that learns and forgets: feedback re-ranks useful memories, recall fades by recency and similar memories consolidate.
mnlt/wellread
Shared research cache across agents: reuse answers from verified sources, or save new research for the next developer.
modelcontextprotocol/server-memory
Knowledge graph-based persistent memory for maintaining context.
moorcheh-ai/memanto
Universal memory agent for AI: provides semantic search, namespace management, text/vector operations and RAG for local or remote environments.
MWGMorningwood/Central-Memory-MCP
Workspace-grounded knowledge graph shared by multiple developers, hosted on Azure Functions with Table storage.
MyAgentHubs/aimemo
Local, dependency-free memory server shipped as a single binary.
n24q02m/mnemo-mcp
Persistent memory with SQLite hybrid search (FTS5 and semantic), built-in Qwen3 embeddings and rclone sync across machines.
nazar256/memheaven
Self-hosted, remotely accessible shared long-term memory for AI agents.
ndjordjevic/pinrag
RAG over PDFs, YouTube videos, GitHub repos and Discord exports: index documents and query them with citations.
nfemmanuel/iranti
Persistent shared memory for coding agents: facts stored as entity/key/value triples with hybrid semantic search, task checkpoints and conflict…
ni-c/wikijs-mcp
Search, read and edit a self-hosted Wiki.js 2.x, including assets, comments, users and groups, with full-text grep, overwrite protection and a…
nicholasglazer/gnosis-mcp
Make Markdown documentation searchable: loads it into SQLite or PostgreSQL with keyword search and optional pgvector hybrid semantic search.
NicolasPrimeau/artel
Self-hosted coordination for agent fleets: shared semantic memory, tasks, agent-to-agent messaging, session handoffs and cross-agent knowledge…
nonatofabio/local-faiss-mcp
Local FAISS vector database for RAG with document ingestion (PDF, TXT, MD, DOCX), semantic search, re-ranking and CLI tools for indexing and querying.
NORTHTEKDevs/genome
Local persistent agent memory without LLM calls: semantic recall over SQLite with bi-temporal fact tracking.
nworks3d/THOR-memory-bible-for-AI
Local memory for coding agents where rules with machine-checkable proofs block matching commands, plus an append-only event log and per-project…
Octonove/crbro-memory
Persistent agent memory in local JSON files: neuron/synapse graph with heat scoring, fact-level search, corrections, secret redaction and team…
ohad6k/emulo
Loads a personal profile mined from your local Claude Code, Codex and OpenCode logs so agents work the way you do.
olgasafonova/mediawiki-mcp-server
Connect to any MediaWiki wiki (Wikipedia, Fandom, corporate wikis) to search, read and edit pages, analyze links, view revision history and convert…
omega-memory/omega-memory
Local-first persistent memory for coding agents with semantic search, auto-capture, cross-session learning and intelligent forgetting.
ontorata/ratary
Persistent coding memory for AI assistants with hybrid search, a knowledge graph and token-efficient context, self-hostable on D1, Postgres, MariaDB…
oomkapwn/enquire-mcp
Long-term agent memory backed by a local Obsidian vault: hybrid retrieval with reranking, agentic RAG, wikilink community detection, Obsidian Bases…
paladini/mcp-me
Digital identity for AI tools: your bio, career, skills and projects in local YAML profiles, auto-generated from public APIs such as GitHub, Medium…
pallaprolus/mendeley-mcp
Search your Mendeley library, browse folders, get document metadata, search the global catalog and add papers to your collection.
Pantheon-Security/notebooklm-mcp-secure
Security-hardened Google NotebookLM access: session-based conversations, notebook library management and source-grounded answers, with post-quantum…
Patdolitse/piia-engram
Persistent user identity across AI tools: preferences, lessons and decisions in local JSON with staged verification, AES-256-GCM encryption and…
pathrule/mcp
Path-scoped team memories, rules and skills for coding agents from Pathrule workspaces.
paultaki/ailooplibrary-mcp
Read-only AI Loop Library catalog of bounded agent work loops: pick one for a goal and render a run protocol with verification, stop conditions and…
pavelpilyak/devrecall
Local-first index of your commits, PRs, Jira/Linear tickets, Confluence docs, Slack threads and calendar events to search and cite past work.
penfieldlabs/penfield-mcp
Penfield: persistent memory with hybrid BM25/vector/graph search, typed graph relations, context checkpoints, artifact storage and a personality…
pi22by7/In-Memoria
Cumulative memory and pattern learning for coding assistants, with local SQLite/SurrealDB storage for semantic codebase analysis.
Piccolo123/url-manager-mcp
Bookmark and knowledge manager where agents save web pages and auto-categorize them into collections with search, tags and shared folders.
pinecone-io/assistant-mcp
Connect to your Pinecone Assistant and retrieve context from its knowledge engine.
pipeshub-ai/mcp-server
Permission-aware enterprise search and RAG over business apps such as Google Workspace, Microsoft 365, Slack and Jira.
pjpoulose/PIL
Turns your Instagram saved posts into a local, searchable knowledge base, with AI-extracted summaries, key points, how-tos, links and tags in SQLite.
pomazanbohdan/memory-mcp-1file
Persistent semantic and graph-based agent memory in a single self-contained binary with embedded database and models.
ProfessionalWiki/MediaWiki-MCP-Server
Read, search and edit any MediaWiki wiki, including Wikipedia and Fandom, with multi-wiki support and Semantic MediaWiki, Cargo, Wikibase and…
ragieai/mcp-server
Retrieve context from your Ragie knowledge base, connected to sources like Google Drive, Notion and Jira.
Rarefied-Earth/groundwork
Company state for operating small businesses: brand, voice, charter, priorities, modules and skills.
ravi-labs/mindmap-mcp-server
Local-first memory and context handoff across AI tools, with graceful decay, a persona layer and a portable memory passport.
redleaves/context-keeper
LLM-driven context and memory management: short- and long-term memory with vector, timeline and knowledge graph retrieval plus reranking.
remembra-ai/remembra
Self-hosted persistent agent memory with entity resolution, PII detection, AES-256-GCM encryption at rest and hybrid search.
renezander030/agentic-task-system
Turns your task manager into agent memory with hybrid retrieval over TickTick or an Obsidian vault, without a separate vector database.
renezander030/graphiti-local
Local temporal knowledge graph with six read-only retrieval tools, Ollama inference, embedded LadybugDB, and a separate human-approved CLI write…
riponcm/projectmem
Local-first memory for coding agents: records issues, failed attempts, fixes and decisions, re-injects them and warns at git commit before a…
roampal-ai/roampal-core
Outcome-based persistent memory for Claude Code and OpenCode: memories that help get promoted, misleading ones get demoted.
robotel-limited/robo-cortex
Git-aware memory store for coding agents: memories anchored to git blob hashes are flagged for review when the linked code changes.
roomi-fields/notebooklm-mcp
Automate Google NotebookLM: Q&A with citations, audio podcasts, video, content generation, source management and notebook library.
rps321321/obsidian-mcp-pro
Obsidian vault access: full-text search, note CRUD, frontmatter queries, tags, backlinks, graph traversal, orphan and broken link detection, and…
rushikeshmore/CodeCortex
Persistent codebase knowledge for coding agents: symbols, dependency graphs, co-change patterns and architectural decisions extracted with…
rwnalds/engram
Git-backed, Obsidian-compatible Markdown second brain for agents: search ranks live notes above superseded ones, with per-agent tokens and a git…
s60yucca/mnemos
Persistent memory for coding agents storing architecture decisions, bug root causes and conventions, with full-text search and token-budgeted…
sachitrafa/YourMemory
Persistent agent memory with Ebbinghaus-style decay, hybrid BM25/vector retrieval, entity graph for multi-hop reasoning, auto-pruning and a browser…
SagaPeak/artifacta-mcp
Artifact store for agent outputs: persist, retrieve and share them across runs and sessions, with content-hash dedup and expiring share links.
SAIHM-Admin/saihm-mcp
Encrypted persistent agent memory anchored on COTI V2 mainnet: remember, recall, share, and forget with GDPR Article 17 erasure.
SAIHM-Admin/saihm-mcp-server-pro
Client-side encrypted agent memory where the server only sees ciphertext, with post-quantum identity and sharing and crypto-shredding for GDPR…
samvallad33/vestige
Local-first cognitive agent memory with FSRS-6 scheduling, smart ingest, SQLite storage, portable sync, an embedded dashboard and optional hooks.
SaravananJaichandar/world-model-mcp
Temporal codebase knowledge graph that links test failures to code changes, learns co-edit patterns, predicts regression risk and enforces edit…
Schubeler-Consulting/knowmind
Agent memory and knowledge graph hosted in Germany: hybrid BM25, vector and Neo4j graph recall with reranking, typed relations and a bi-temporal…
seanmarkwei/agentram-mcp
Key-value agent memory over an HTTP API without embeddings: store, retrieve, search and share memory across agents with shared namespaces and TTLs.
seanmeverett/shared-memory-mcp
Public, source-linked notebook for AI agents: search and read entries, and publish findings, questions and corrections with permanent IDs and linked…
SecurityRonin/alaya
Neuroscience-inspired local agent memory that stores episodes, consolidates knowledge over time and builds a personal knowledge graph with semantic…
SecurityRonin/docx-mcp
Read and edit Word (.docx) documents with tracked changes, threaded comments, footnotes, OOXML-level validation and document auditing.
Semiotronika/LINZA-MCP
Review-gated sidecar for Markdown workspaces: indexes notes into SQLite and proposes links, domains and memory with evidence, editing files only…
setheerwagen/mcp-modelmanager
Manage a local model machine: pull and remove Ollama models, switch the inference service between models and run LoRA fine-tuning jobs.
sgx-labs/statelessagent
Local agent memory with provenance tracking that detects when sources change, plus session handoffs, decision records, semantic search and a…
sheawinkler/ContextLattice
Private-by-default memory and context layer for agents with staged retrieval across fused data backends and long-horizon context continuity.
shinpr/mcp-local-rag
Local document search: semantic search over PDF, DOCX, TXT and Markdown files with LanceDB vector storage and local embeddings.
ShipItAndPray/mcp-memory
SQLite-based memory with exponential decay: memories strengthen on access and fade when unused, limiting unbounded context growth.
Shweta-Mishra-ai/tokenmizer
Session memory via a local OpenAI-compatible proxy that extracts tasks, decisions and files into a knowledge graph and checkpoints before context…
skill-seekers/Skill_Seekers
Turn docs, GitHub repos, PDFs, videos, Confluence, Notion and Slack/Discord into AI skills and RAG knowledge, exportable to vector databases like…
Skitchy/rekindle
Session continuity: start-of-session reports with gap detection and scoring, structured end-of-session capture and BM25 memory search, stored in…
Smart-AI-Memory/empathy-framework
Five-level AI collaboration system with persistent local-first memory via MemDocs and anticipatory capabilities.
smith-and-web/obsidian-mcp-server
Remote Obsidian vault management over SSE: notes, directories, frontmatter, tags, search and link operations, deployable with Docker.
soluai-spa/solucortex-mcp
Technical memory for AI agents: recall a project's approved decisions, conventions and risks at task start and record lessons at the end.
soolaugust/0CompactMem
Persistent multi-agent memory with OS-style demand paging, eviction and pinning, BM25 retrieval, importance scoring and capacity-aware reclaim.
stevepridemore/graph-memory
Personal knowledge graph for Claude on Neo4j with typed entities, bi-temporal edges, weighted decay, contradiction detection and local embeddings.
STiFLeR7/memex
Watches git repos and builds a temporal knowledge graph of modules, symbols, decisions and open problems via Graphiti and Neo4j, served to AI coding…
SubDownload/subdownload-mcp
YouTube knowledge base: summarize videos, fetch transcripts (even without captions), search channels and playlists, and save results for…
SVerITG/Metis
Private local research second brain: project-aware memory, cited answers from your library, linked notes and meetings, daily briefs and a meeting…
syndicalt/zaxy
Event-sourced agent memory on a hash-chained log with an embedded Kuzu temporal knowledge graph, salience-based forgetting and review-gated…
teampolarity/cosmos-mcp
Portable personal knowledge graph shared across AI clients, with sources like iMessage, browser history, calendar, shell history, Notion and Obsidian.
TeamSafeAI/LIFE
Persistent identity for AI agents: servers for drives, relationships, semantic memory with decay, working threads, learned patterns, journaling and…
TechDocsStudio/biel-mcp
Answer questions from your product documentation using Biel.ai's RAG system.
teflon07/memkeeper
Local-first memory for AI agents in one SQLite file: hybrid BM25 and on-device embedding search with reranking, abstaining instead of returning…
TeleAI-UAGI/telemem
Mem0-compatible long-term and multimodal agent memory: character-isolated profiles, semantic deduplication, optional local stack and video memory…
tenequm/pond
Lossless archive and search for AI agent sessions across clients.
teolex2020/AuraSDK
Persistent, encrypted cognitive memory that works offline.
Terobyte/librarian-cli
Ebook-to-Markdown pipeline (FB2, EPUB, DOCX, HTML, PDF) with full-text search and read-only tools to browse, read chapters and verify quotes offline.
The-40-Thieves/obsidian-tc
Obsidian vault access with role-based access control, native search, multi-vault support, pluggable embeddings and SLSA provenance.
TheGoatPsy/mneme
Vault-native, accountable memory for Claude Code: Markdown is the source of truth, with no LLM on the Stop path and redaction before any derived…
TheStack-ai/waypath
Local-first memory CLI for coding agents: SQLite-backed context, graph-aware recall via FTS5 and RRF, and governed memory with promote and review…
Thezenmonster/agentmem
Governed memory for coding agents with trust lifecycle (hypothesis, active, validated, deprecated), conflict detection, staleness tracking and…
thomasjumper/agentbay
StremAI shared memory for coding agents across sessions, machines and tools, with per-agent attribution, provenance, verification status and export.
threadctx-dev/threadctx-mcp
Local-first shared team memory for coding agents: decisions, fixes and gotchas persist per repo and are shared across teammates' agents.
timmx7/acheron-mcp-server
Persistent memory shared across Claude Chat, Code and Cowork, stored in local SQLite with full-text search.
timowhite88/farnsworth-syntek
Seven-layer recursive agent memory with context branching, holographic recall, dream consolidation and on-chain persistence.
tomohiro-owada/devrag
Local RAG for semantic vector search over Markdown documents with sqlite-vec and multilingual-e5-small embeddings, filterable by directory and…
topoteretes/cognee
Memory manager for AI apps and agents using graph and vector stores, with ingestion from many data sources.