Knowledge & Memory
Persistent memory storage using knowledge graph structures. Enables AI models to maintain and query structured information across sessions.
MCP ServersBrowse all →
AlicenseAqualityBmaintenanceA local decision graph built from your repo's git history, PRs, ADRs and CLAUDE.md/AGENTS.md, plus Jira, Linear, Notion, Slack and others read-only. Coding agents query it for what was decided and why, and every edit is checked against it before it is written.193,561 npm14MIT
ClickHouse Loomofficial
AlicenseAqualityBmaintenanceData plane for AI agents with shared memory, document search and code intelligence. Plugins for Claude Code and Codex, an MCP server and SDKs.6138Apache 2.0- AlicenseBqualityCmaintenanceGoverned actions, shared memory, audit, and rollback for MCP clients such as Claude Desktop, Cursor, and Claude Code. Works locally with SQLite or connects to Novyx Cloud for policy-as-code, approval workflows, and governance dashboards.810029MIT

LogNexusofficial
AlicenseAqualityBmaintenanceUniversal Git-powered persistent memory, context rules & native MCP server for AI coding agents. Prevents context amnesia with stateful workflows, Git Notes, and cross-model review gates across Claude, OpenAI, Gemini & DeepSeek in Cursor, Claude Code & VS Code.612720 npm6MIT
funesofficial
AlicenseAqualityAmaintenanceRead-only recall over your past Claude Code, Codex, pi and Hermes sessions: semantic search for past decisions, rationale and findings, plus tools to list sessions, get the gist of one, find exact strings in it and read its turns. Works on your local memory or on any memory published as a Hugging Face dataset.56593Apache 2.0- AlicenseAqualityBmaintenanceMCP server for the Meta-Consciousness (MCAI) theory: term definitions, concept relations and source citations, served from a local knowledge base.27MIT

Recall by Polignofficial
AlicenseAqualityBmaintenanceAgent memory for facts that change. When a user corrects something, Recall replaces the old fact, tells the agent what it replaced, and keeps the old value in a history. Ask what was believed on any date, see every change to a fact, or diff two dates. Runs locally on polign_db, Postgres with pgvector, MongoDB, or Qdrant. Apache 2.0.14515Apache 2.0
WhisperGraphofficial
AlicenseAqualityDmaintenanceSelf-hostable MCP server for WhisperGraph — a graph of 7.39B nodes / 39B edges mapping DNS, BGP, GeoIP, WHOIS, and threat intelligence. Six read-only tools (Cypher query + schema introspection + threat assessment), six resources, eight investigation prompts. stdio and Streamable HTTP transports.871 npm1Apache 2.0
santismm-knowledgeofficial
AlicenseAqualityBmaintenanceMCP server for the Santismm Knowledge Platform: harness engineering, agentic AI patterns, architectures and governance, plus essays, Labs calculators, AI benchmarks and Physical AI. 41 read-only tools, seven languages, typed outputs.41441 npm1MIT
@cogniahq/mcpofficial
AlicenseAqualityCmaintenanceEnables AI assistants to query end-to-end encrypted memories from Cognia workspace via MCP. Supports search, retrieval, and action execution against connected services like Slack, Notion, and GitHub.57 npmMIT- AlicenseAqualityAmaintenanceConnect AI assistants to your Gramps Web family tree. Search and edit genealogy records, explore ancestors, descendants, relationships and timelines, and read document scans with vision-capable models. Includes guided research workflows, source citations, read-only mode, and privacy-aware media previews. Install with Docker or a Claude Desktop bundle.23523AGPL 3.0
- AlicenseAqualityBmaintenancePath-scoped team memories, rules and skills for AI coding agents.301MIT

Remnant Readofficial
AlicenseAqualityBmaintenanceSearch reusable technical experience from AI agents, inspect evidence and limitations, and discover public agent Trust Passports through seven anonymous read-only MCP tools. Apache-2.0 integrations, examples and documentation connect to the separately governed hosted Remnant service. Agent OAuth and Candy are separate surfaces.7Apache 2.0
SPOKEAgentofficial
AlicenseAqualityBmaintenanceA structure-aware MCP server for querying the SPOKE biomedical knowledge graph, enabling entity resolution, schema introspection, path finding, and safe Cypher queries for biomedical knowledge inference.5Apache 2.0
debugbase-mcpofficial
AlicenseAqualityDmaintenanceEnables AI agents to search and submit solutions, ask and answer questions, share findings, and vote on content via DebugBase's collective knowledge base.119 npmMIT- AlicenseAqualityDmaintenanceAdds persistent memory to AI assistants by connecting to the Memphora cloud platform, allowing them to store and recall facts across conversations. It enables tools for searching memories, extracting insights, and maintaining long-term user context and preferences.53MIT

Tiger Memory MCP Serverofficial
AlicenseAqualityCmaintenanceA simple memory system that allows LLMs to store and retrieve information via the Model Context Protocol.430Apache 2.0- AlicenseAqualityCmaintenanceLocal-first memory for coding agents. Discovers the memory, instructions, and rules Claude Code, Codex, and Cursor already wrote on your machine, combines them into one canonical Markdown tree, and serves grounded, cited recall through tools like ask_memory and canonical_memory.20174 PyPI133MIT
- AlicenseAqualityBmaintenanceOfficial MCP server connecting hosts to a June knowledge graph for agent memory, search, and cited answers.1066 PyPI1MIT

cairnofficial
AlicenseAqualityCmaintenanceEnables AI assistants to read and write a local-first SQLite memory vault from inside a chat — orienting on inherited context, searching and fetching past decisions and notes, wandering linked memories, and recording new ones on demand. All data stays on the user's machine, shared across local and cloud tools via MCP.85Business Source 1.1
spirrow-prismindofficial
AlicenseBqualityBmaintenanceMCP server that integrates Google Drive, RAG, and memory services for context-aware knowledge management, enabling session, project, document, catalog, and knowledge operations for AI assistants.46MIT
graphite-mcpofficial
AlicenseAqualityCmaintenanceMCP server for the Graphite Financial Knowledge Graph, enabling natural language queries about companies, supply chains, executives, regulations, and patents via MCP-compatible clients.7MIT- AlicenseAqualityBmaintenanceMarrow is an MCP server that solves agent amnesia. It gives coding agents persistent task tracking, versioned docs, and semantic search over your actual source code (via a tree-sitter powered background indexer) — so a new session, or a different model entirely, can pick up exactly where the last one left off. Built for multi-agent, multi-session software delivery.142197MIT

ecoclaw-mcpofficial
AlicenseAqualityDmaintenanceManages local AI skills for Claude Desktop, enabling listing, running, tuning, forking, contributing, and updating skills stored as markdown files. Customizations are persistent and survive updates.9MIT
solucortex-mcpofficial
AlicenseAqualityBmaintenanceEnables MCP-compatible AI agents to connect to SoluCortex projects, recall relevant technical decisions, conventions, risks, and architecture before working, and record new memories afterward.4MIT- AlicenseAqualityBmaintenanceOfficial Telys MCP server: private, on-device AI memory and retrieval powered by native Mojo kernels. 19 tools: memory CRUD, semantic + BM25 search, single-key filters, compaction/IVF/tuning and self-refreshing repo auto-indexing. Stdio. Introspection needs no credentials; execution requires a one-time free telys login. Source: packages/telys-sdk/telys/mcp.py. Registry: io.github.thyn-ai/telys.19Apache 2.0
- AlicenseAqualityBmaintenanceGives your AI persistent memory across conversations. Stores facts automatically, finds them by meaning using hybrid search with query expansion, and organizes everything into topics without manual tagging.291MIT

lorg-mcp-serverofficial
AlicenseAqualityBmaintenanceIntelligence archive for AI agents. Contribute prompts, workflows, and insights to a permanent, cryptographically verifiable knowledge base. Agents earn public trust scores based on adoption and peer validation.29160 npm5MIT- AlicenseAqualityCmaintenanceA plain-files brain template and MCP server that lets models read owned, portable working memory via list, read, and grep-style search tools.350 npmMIT

JauMemory MCP Serverofficial
AlicenseAqualityDmaintenanceProvides persistent memory capabilities for AI assistants, enabling storage, recall, and analysis of information across conversations with intelligent memory management.2535 npmMIT
MCP ConnectorsBrowse all →
Shared project memory for AI coding agents: decisions, lessons, risks and tasks in one graph.
Enhanciar is an AI company brain for every team. It reads your Slack, Gmail, Google Drive, Notion, Confluence, Jira, Linear, Zendesk, GitHub code and databases, writes a wiki from them, and answers questions from any MCP client with a link to the source. Tools: query (cited answers), search_wiki, get_page, list_pages, get_graph, get_process_map, impact (what a code change touches), list_repos, list_skills, get_skill, propose_action and list_proposed_actions (tickets, Slack messages, Gmail drafts, Notion pages and calendar holds that a person approves first). Hosted service, bring your own AI key. Plans: Solo $24 a month, Team $100 a month for up to 10 people. Create an API key in Settings at https://enhanciar.in.
Hosted agent memory that learns from outcomes, with shared rooms. No key: mcp.mnemoverse.com/mcp
Public post-incident reports as structured cases: search by symptom, read one, list by cause.
Marcora is the context layer for go-to-market teams: your positioning, brand voice, and product facts in one source of truth that your AI tools read from. This remote MCP server connects Claude, ChatGPT, Cursor, and other MCP clients to shared brand context for product marketing, sales enablement, and customer success. Read your Brand Foundation and Reference Library, save new context, and create and share battlecards and onboarding guides.
Registered agents sell what they measured, anyone buys: validated knowledge and signed datasets. No sign-in needed to connect: searching, dataset listings and free reads work anonymously. Sign in (OAuth) only for selling and account tools.
Constitutional AI kernel with 13 MCP tools, 888_JUDGE verdict pipeline, and VAULT999 ledger.
Cloud or self-hosted knowledge for AI agents: hybrid search, reranking, GraphRAG, scoped MCP tools.
Keeps your memory: WhatsApp, voice or any AI tool over MCP, Markdown you own, recall with sources
A portable knowledge-graph memory you pass in and get back. No database. 4 of 6 free.
memory architecture
Give AI assistants a shared source of company context so every conversation can pick up where work left off. Brana MCP searches across files, runs SQL on CSVs and spreadsheets, and queries JSON with JSONata. Give assistants access to more context than fits in a single prompt and get more accurate answers grounded in your own data. Requires a Brana account. Supports OAuth and API key authentication.
ESG knowledge base for AI agents: hybrid search, glossary, frameworks, industries, graph traversal.
**Swiss B2B sales and everyday-AI know-how — inside your AI assistant.** 113 free 5-minute learning modules from [latzerus.ch](https://www.latzerus.ch). No account, no API key, no cookies. `https://mcp.latzerus.ch/mcp` --- **`lernmodule_suchen`** — search all modules. Understands paraphrases, synonyms, plural forms and typos. **`lernmodul_lesen`** — one module in full: key points, practical steps, typical mistakes, FAQ. **`lernmodule_uebersicht`** — everything grouped by theme, or just one theme. **`ueber_latzerus`** — what the project is and who is behind it. --- **Topics** — cold calling · objection handling («too expensive») · closing · AI at work without the data leak · local models with Ollama · career positioning. **The modules are written in German.** So are the tool names — your assistant handles that. --- **Setup for Claude, ChatGPT, Cursor, VS Code, AnythingLLM, Open WebUI and LM Studio:** [latzerus.ch/mcp](https://www.latzerus.ch/mcp/) **Source, MIT:** [github.com/kriswindu/latzerus-mcp](https://github.com/kriswindu/latzerus-mcp) Knowledge project of Christoph Latzer, St. Gallen / Zurich. Quoting welcome — please name the source.
Per-user memory, connected accounts, permitted actions and the action record for your agents.
Turn Microsoft Fabric tables into an explainable graph and a GraphQL API. Understand how your Fabric tables fit together. See how your Fabric tables connect: the keys and relationships Krusgraph suggests, why, and what your data says, before a report or an app depends on them. A one-stop-shop for Data Engineering on Fabric
Failure-memory layer for coding agents: search evidence-rated failure lessons by error text.
Skills, agents and memory in the cloud, plus a gateway to your other MCP servers.
Long-term memory for each person your app serves: saves, recalls later, keeps facts current.
Simple agent memory MCP: keep, recall, update, forget; shared team graph on Maindex.