Knowledge and memory MCP servers

Groundtruth

groundtruthhq.tech

Company wiki for AI: answers with citations, decisions, records and the team's board.

Engram

getengram.app

Persistent, verbatim, searchable memory for AI assistants — one memory across every MCP client.

Harbor (gethrbr)

gethrbr.com

Team memory for coding agents: rules you approve, served to every agent, and which ones it cited.

Remember Me – Bible Memory

remem.me

Memorize Bible verses with spaced repetition: add verses, get quizzed, follow a daily reading plan.

Aeon

aeon.fun

Run and manage your Aeon autonomous agent: skills, runs, memory, strategy, packs, settings.

Monolithos

monolithos.ai

Recall authorized Vault notes with keyword and hybrid search, original excerpts, and source paths.

Cornelius

cornelius.bot

A personal agent with lasting memory and a morning brief, inside the Claude or ChatGPT you use.

ONES

ones.com

Manage ONES projects, issues, tests, work hours, and Wiki knowledge.

AIKI Knowledge Commons

@opnwiki

Authenticated MCP access to the AIKI open knowledge commons.

naturali

naturali.ai

Configure AI agents, give them knowledge and tools, and read back every generation they run.

WhyVault

whyvault.io

Shared Markdown memory that every AI assistant can read and write. Hosted in the EU.

Knowledge Porridge

knowledgeporridge.ai

A sourced learning map your AI places you on: finds gaps you can't name, teaches step by step.

ASR Memory (에사 AI) — Shared memory for AI tools

asrmemory.com

Shared memory for AI tools: save once, recall word for word from Claude, ChatGPT, Codex or Gemini.

Dexio

dexio.wiki

One wiki for all your agents: pages read and written over MCP, a link graph, and broken-link checks.

Perfect Memory

perfectmemory.ai

Search what you've seen on screen and heard in meetings, recorded on your own Mac or PC.

thinqOS

thinqos.com

Memory with judgment: decides which of your context reaches each task, per identity.

Rithmo

rithmo.ai

AI agent governance with resolved business context, current decisions, provenance, and supersession.

Thinkstack

thinkstack-app.com

Governed map of company knowledge for humans + agents.

SOKI (想起) — Personal Memory

kitemir.jp

Personal memory outside the AI. Due dates, loose ends and old notes come back on their own.

FoxNose Knowledge

foxnose.net

Hybrid search, schema introspection and record read/write over FoxNose collections

Nexus Catalyst

nexus-catalyst.com

Cross-tool persistent memory and context for AI assistants over MCP.

Project Fingerprint

projectfingerprint.com

Personal context and preferences for AI via OAuth-approved profile sections and taste data.

Knowledge Grid

knowledgegrid.ai

Search log events, investigate anomalies, and manage cases in your Knowledge Grid tenant.

VineVerse — Bible Knowledge Graph

vineverse.bible

Bible knowledge graph: 31,102 verses, 341,289 cross references, people, places, themes.

Sutra

@shivnathtathe

Private, portable memory and reusable skills for AI agents.

DecRec

decrec.io

Decision memory for AI agents: record, revisit, and resolve consequential choices.

Khwan

khwan.ai

Durable AI memory: recall distilled facts in a later session or subagent, and remember new ones.

AskMarcel HVAC Technical Knowledge

@askmarcel

15 HVAC MCP tools: lookups, SKU provenance, guided PAC, Beta Harness sessions. 126 brands.

Hexa

hexahq.ai

Shared company knowledge, workflows, and connected apps for the AIs your team already uses.

Contextaco

contextaco.com

Never explain the same context twice. Capture it once, load it anywhere, fork it to make it yours.

DunSocial

dunsocial.com

Schedule and publish social posts with OAuth, drafts, media, workspaces, and brand memory.

Savantis Memory

savantisai.com

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

Arc Research

getarcresearch.com

Commodities research MCP: knowledge graph, COT, NG storage/weather, quotes, and stories.

MemorySync

memorysync.io

Persistent memory for AI agents. Search and store durable facts, preferences and decisions.

MemHeaven — Self-hosted Remote MCP Memory for ChatGPT

@nazar256

Self-hosted remote MCP memory server for ChatGPT and AI agents.

Kythene

kythene.com

Your AI's work, reviewed by your team, remembered - shared artifacts with review, plus team memory.

DIS — Singular Intelligence Domain

sidai.live

Compile full-stack apps from one architecture spec, with a shared Memory Fabric.

Agentage Memory

agentage.io

One memory, every AI. A shared, user-owned markdown memory your AI clients read and write over MCP.

Tabula

@nikhilbhima

Cross-AI personal memory. Save once in ChatGPT, recall in Claude, Mistral, Grok, or any MCP client.

LensHub

lenshub.ai

Team knowledge from 20 connectors, served to any MCP agent — classified, scored, access-controlled.

6DuckLearn MCP

6ducklearn.com

Connect agents to 6DuckLearn memory, approvals, and runtime control.

MCPLoad Budgeter MCP

mcploadbudgeter.space

Paid remote MCP for context budgets, progressive loading, schema slimming, and readiness.

Knowledge Raven

knowledge-raven.com

Make your knowledge agent-ready. One MCP endpoint, 5 connectors, 3 search modes.

Obris

obris.ai

Stop re-explaining yourself to AI. Save knowledge once, use it in every conversation.

Konstruct

@alright-alright

Knowledge graph for AI agents. Query concepts, walk edges, get advisories.

Persis

@alright-alright

Biological memory for AI agents. Pattern learning, decay, clustering, 8-drive behavior.

Arca

mcp.arca.build

Arca is a private data vault where your AI stores your structured data, semantic memory and skills.

ljos

@leidarljos

Local memory, a work tracker and a shell-command guard shared by coding agents on one machine.

WARM

@writerslogic

Local persistent memory for AI agents with recall, search, forgetting, and encrypted storage.

MemVault - Local-First Agent Memory

@dreamor

Local-first memory for AI agents: save, recall, dedupe, and share across MCP clients.

OpenMyMemo

@MyMemoAI

Your AI memory as a local folder you own. Every app shares it; you see and can undo each change.

POSH — Ruby documentation

@skatkov

Search and read local Ruby and gem documentation matched to your project's versions.

On Board

@swisspra

Cross-platform shared memory and ticket coordination for AI agents across MCP clients.

Firekeep

@kapella-hub

Self-hosted operating layer for AI agents: knowledge, continuity, coordination, and governance.

Omneum

@cole-h06

Text-blind context control plane for AI agents. Select high-utility context under token budgets.

Holographic Memory

@writerslogic

Local persistent memory for AI agents with recall, search, forgetting, and encrypted storage.

MaxGraph

@RuMemory

Self-hosted persistent memory for AI agents: knowledge graph and hybrid search.

Quipu

@scbrown

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

LegendKeeper

@chase-roohms

Read and build LegendKeeper worlds from AI assistants: wiki pages, maps, timelines, facts and tags.

ChainMemory

@chaelynet

Verifiable, portable AI memory. Optional vault: encrypted on your machine, 12 words only you hold.