How many Memory & Knowledge MCP servers are there?

This directory currently lists 243 MCP servers in the Memory & Knowledge category. The count changes as new servers are published to the official MCP registry, which is re-read daily.

How is the ranking on this page decided?

Order reflects a computed score combining maintenance (commit recency, release cadence, whether the repository is archived), documentation depth, licence and ownership verification, the number of tools exposed, and how many clients have a documented install path. Sponsorship has no effect on it: paid placements appear in separately labelled slots and never inside the ranked list.

Can I use Memory & Knowledge MCP servers without installing anything?

Yes — 66 of the Memory & Knowledge servers listed here are remote servers. They run on the provider's infrastructure and you connect over HTTP with a URL, so there is no local runtime to manage. The trade-off is that your requests and any credentials pass through a third party.

Which clients can I use these with?

Every entry carries install instructions for the clients we can generate a verified command for, including Claude Code, Claude Desktop, Cursor, VS Code, Codex CLI, Windsurf, Cline, Gemini CLI, Copilot CLI, Zed and Goose. Where a client's syntax cannot be confirmed, no snippet is shown rather than a guessed one.

Memory & Knowledge MCP Servers

Servers that give agents persistent memory or a structured knowledge base to draw on across sessions. The directory lists 243 in this category, of which 66 are hosted remote servers needing no local install. Ranking below reflects maintenance, documentation, install experience and adoption — never payment.

Highest scoring (12)

Codebase Memory
Community39/10042k
Codebase knowledge graph for AI agents — 159 languages, sub-ms queries, 99% fewer tokens.
MITstdioupdated 8d ago
IWE
Community39/1001.6k
Markdown knowledge base as agent memory. Runs against the notes directory it is started in.
Apache-2.0stdioupdated 9d ago
token savior
Community39/1001.1k
Structural codebase MCP server with persistent memory: navigate by symbol, recall across sessions.
MITstdioupdated 29d ago
deja vu
Community39/100746
Local searchable memory over the session histories of twenty coding agents.
MITstdioupdated 7d ago
Memorix
Community39/100707
Local-first project memory with legacy MCP and 2026 discovery compatibility.
Apache-2.0stdioupdated 8d ago
Vestige
Community39/100614
Local-first memory for AI agents that reaches backward to find a failure's root cause.
AGPL-3.0stdioupdated 8d ago
telemem
Community39/100486
Long-term and multimodal memory for AI agents - character-aware, mem0-compatible, fully-local option
Apache-2.0stdioupdated 8d ago
misakanet
Community39/100432
Agent failure memory network. Search 235+ verified debugging lessons from real engineering sessions.
Apache-2.0stdioupdated 7d ago
beever atlas
Community39/100443
Open-source LLM knowledge base: team chat into a typed knowledge graph and auto-generated wiki.
Apache-2.0stdioupdated 27d ago
marm mcp server
Community39/100339
Universal MCP Server with advanced AI memory capabilities and semantic search.
Apache-2.0stdioupdated 10d ago
shodh memory
Community39/100275
Cognitive memory for AI agents — semantic search, Hebbian learning, knowledge graphs.
Apache-2.0stdioupdated 8d ago
cognitive ai memory
Community39/100265
Ebbinghaus-based persistent memory for Claude. Memories decay with time, strengthen on recall.
stdioupdated 9d ago
See also

More Memory & Knowledge servers

YourMemory

sachitrafa

Community

Persistent memory for AI agents. Memories decay with time and strengthen on recall.

Aug 29, 2026Memory Knowledge

Local service39/100265

ori memory

aayoawoyemi

Community

Persistent memory infrastructure for AI agents. Identity, knowledge graph, and search.

Jul 30, 2026Memory Knowledge

Local service39/100322

superlocalmemory

varun369

Community

Local-first AI memory with knowledge graphs and hybrid search. 17+ AI tools via MCP. Free.

Aug 28, 2026Memory Knowledge

Local service39/100223

KIP

ldclabs

Community

Knowledge Graphs to enable memory persistence, knowledge evolution, explainable interaction.

Aug 31, 2026Memory Knowledge

Local service75/10082

Memory Vault

MihaiBuilds

Community1

Local-first AI memory layer with hybrid search. Postgres + pgvector. Self-hosted, MIT.

Aug 31, 2026Memory Knowledge

Local service85/10061

prism coder

dcostenco

Community

Session memory for coding agents: local-first recall, drift detection, on-device inference.

Sep 1, 2026Memory Knowledge

Local service39/100157

link

gowtham0992

Community

Local personal memory for agents as MCP tools — remember, recall, search, context, graph traversal.

Aug 15, 2026Memory Knowledge

Local service39/100179

Mnemoverse Memory

mnemoverse

Community10

Hosted memory for AI agents that learns from outcomes — one key across Claude, Cursor & ChatGPT.

Aug 31, 2026Memory Knowledge

Remote service89/10021

cogmemai

hifriendbot

Community34

The smart memory layer for everything Ai. 95.10% LongMemEval (highest published).

Aug 31, 2026Memory Knowledge

Local service83/1007

Infimium

infimium-ai

Community9

Private AI context layer for semantic code search, dependency graphs, memory, and workspaces.

Aug 16, 2026Memory Knowledge

Local service84/10022

State Memory MCP

putervision

Community

Deterministic, persistent graph server for tracking workflow state, decisions, and blockers.

Aug 20, 2026Memory Knowledge

Local service39/10079

Perseus Vault — persistent, encrypted memory for AI agents

Perseus-Computing-LLC

Community

Persistent, encrypted, deterministic memory for AI agents. Local-first, 173 canonical tools.

Aug 31, 2026Memory Knowledge

Local service39/10067

Hosted Memory & Knowledge servers

These run on the provider’s infrastructure — you connect by URL, with nothing to install locally.

Sui Knowledge Base (kapa ai)

MystenLabs

Community

Semantic search across Sui documentation and knowledge sources, powered by kapa.ai

Sep 1, 2026Memory Knowledge

Remote service39/1007.7k

ContextLattice

sheawinkler

Community

Private-by-default, local-first memory/context/task orchestrator for MCP apps and agents.

Aug 26, 2026Memory Knowledge

Remote service72/100153

Lobu

lobu-ai

Community

Shared, permission-aware company context for AI agents, with provenance, approvals and audit.

Sep 1, 2026Memory Knowledge

Remote service39/100208

infranodus mcp server infranodus

infranodus

Community

Map text into knowledge graphs to create a structured representation of conceptual relations and t…

Aug 30, 2026Memory Knowledge

Remote service75/10098

mengram

alibaizhanov

Community

Long-term memory for AI agents: semantic facts, episodic events, and procedural workflows

Aug 31, 2026Memory Knowledge

Remote service39/100191

Synap Memory

maximem-ai

Community

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

Aug 31, 2026Memory Knowledge

Remote service75/10064

Questions about Memory & Knowledge MCP servers

How many Memory & Knowledge MCP servers are there?: This directory currently lists 243 MCP servers in the Memory & Knowledge category. The count changes as new servers are published to the official MCP registry, which is re-read daily.
How is the ranking on this page decided?: Order reflects a computed score combining maintenance (commit recency, release cadence, whether the repository is archived), documentation depth, licence and ownership verification, the number of tools exposed, and how many clients have a documented install path. Sponsorship has no effect on it: paid placements appear in separately labelled slots and never inside the ranked list.
Can I use Memory & Knowledge MCP servers without installing anything?: Yes — 66 of the Memory & Knowledge servers listed here are remote servers. They run on the provider's infrastructure and you connect over HTTP with a URL, so there is no local runtime to manage. The trade-off is that your requests and any credentials pass through a third party.
Which clients can I use these with?: Every entry carries install instructions for the clients we can generate a verified command for, including Claude Code, Claude Desktop, Cursor, VS Code, Codex CLI, Windsurf, Cline, Gemini CLI, Copilot CLI, Zed and Goose. Where a client's syntax cannot be confirmed, no snippet is shown rather than a guessed one.