robrain
adelinamart
Community
Self-hosted decision memory for AI coding agents; warns before re-proposing a rejected approach.
Aug 5, 2026Memory Knowledge
Local service39/10081
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.
All servers
Community
Shared memory for AI agents. One address per fact, one signature you check. No key to read.
Aug 27, 2026Memory Knowledge
Remote service39/10056
Visual Memory MCP
putervision
Community
Local visual UI cache for AI agents using perceptual hashing + CLIP to cut vision token use.
Aug 20, 2026Memory Knowledge
Local service39/10060
ZettelForge
rolandpg
Community
Agentic memory for cyber threat intelligence. STIX graphs, actor aliasing, offline RAG, Sigma/YARA.
Aug 13, 2026Memory Knowledge
Local service39/10058
ai memory
alphaonedev
Community
Persistent memory for any AI — zero token cost until recall
Aug 31, 2026Memory Knowledge
Local service39/10045
NeuroStack
raphasouthall
Community
Token-efficient MCP memory for Markdown vaults. Tiered search, GraphRAG, AI memories.
Aug 29, 2026Memory Knowledge
Remote service39/10046
Waggle mcp
Abhigyan-Shekhar
Community
Persistent graph-backed conversational memory for AI agents.
Aug 31, 2026Memory Knowledge
Local service39/10039
crbro memory
Octonove
Community23
Persistent file-based memory for AI agents: inspectable, versionable, fully local.
Sep 1, 2026Memory Knowledge
Local service83/1004
Cortex Memory Engine
gambletan
Community
Local-first AI memory engine — 4-tier memory, people graph, Bayesian beliefs. Encrypted, 62µs.
Jun 29, 2026Memory Knowledge
Local service70/10031
ChatCrystal
ZengLiangYi
Community
Local-first AI PKM memory for coding conversations.
Jun 27, 2026Memory Knowledge
Local service39/10055
MCP Memory Gateway
IgorGanapolsky
Community
Pre-action gates that block AI agents from repeating known mistakes.
Aug 31, 2026Memory Knowledge
Local service39/10026
adam framework
strangeadvancedmarketing
Community
Persistent memory tools for Claude Desktop. Search your vault or Obsidian notes mid-conversation.
Jul 12, 2026Memory Knowledge
Local service39/10045
mnemo mcp
n24q02m
Community1
Persistent AI memory with hybrid search and embedded sync. Open, free, unlimited.
Aug 31, 2026Memory Knowledge
Local service79/10010
Exomem
Artexis10
Community
Local Markdown/Obsidian knowledge substrate for MCP agents with governed memory and hybrid search.
Aug 31, 2026Memory Knowledge
Local service78/10010
M3 Memory
skynetcmd
Community
Local-first memory — 100+ tools, 99.2% LongMemEval-S retrieval@10, hybrid search, GDPR, no cloud.
Aug 31, 2026Memory Knowledge
Local service39/10023
yantrikdb mcp
yantrikos
Community
Cognitive memory for AI agents — semantic recall, knowledge graph, and contradiction detection
Aug 26, 2026Memory Knowledge
Local service39/10024
cuba memorys
LeandroPG19
Community
Persistent memory MCP server. 28 tools, BM25+MMR+OOD retrieval, tamper-evident audit, code graph.
Aug 17, 2026Memory Knowledge
Local service39/10026
ZenBrain Memory
zensation-ai
Community
Seven-layer agent memory: episodic, semantic, procedural and core. Local SQLite, no account.
Aug 30, 2026Memory Knowledge
Local service39/10022
engram server
jamjet-labs
Community
Durable memory for AI agents: fact extraction, hybrid retrieval, temporal graph. SQLite/Postgres.
Aug 31, 2026Memory Knowledge
Local service39/10021
Community
Persistent memory for AI coding agents. Local-first SQLite + vector search. 17 MCP tools.
Aug 13, 2026Memory Knowledge
Local service39/10023
Toon Memory
LuiggiVal08
Community
Offline persistent memory for AI coding agents — 35 tools, 80% fewer calls, no LLM
Aug 5, 2026Memory Knowledge
Local service78/10011
yggdrasil
VonderVuflya
Community
One shared, durable memory for your AI coding agents — local-first, zero-dependency.
Aug 19, 2026Memory Knowledge
Local service39/10021
memo
jagoff
Community
Memory for AI agents — MLX (Apple Silicon) or CPU (Linux), sqlite-vec + BM25, zero cloud.
Sep 1, 2026Memory Knowledge
Local service39/10017
pmll memory mcp
drQedwards
Community
PMLL Memory MCP — persistent KV context memory and Q-promise deduplication.
Sep 1, 2026Memory Knowledge
Local service39/10015