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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

Khwan

khwanlabs

Community

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

Aug 27, 2026Memory Knowledge
Remote service39/100

loreweave

lets-order-some-fries

Community

Durable agent memory over a markdown vault: bitemporal facts, timelines, hybrid graph search.

Aug 27, 2026Memory Knowledge
Local service39/100

metabrain

ariaxhan

Community

MCP server giving AI agents persistent SQLite memory that proves which lessons hold.

Aug 26, 2026Memory Knowledge
Local service39/100

uuaid

uuaid

Community

Permanent identity + encrypted, quantum-ready memory that outlives the session, for any AI agent.

Aug 25, 2026Memory Knowledge
Local service39/100

br8n

Branded-Mayhem-Collective-LLC

Community

Owned, portable working memory: a plain-files markdown brain any model can read and cite.

Aug 24, 2026Memory Knowledge
Local service39/100

Operations Pulse

Openly-Useful

Community

Local-first operational pulses, durable ticket memory, and governed connection discovery.

Aug 23, 2026Memory Knowledge
Local service39/100

fimemory

FutureAiIndustries

Community

Local-first shared memory for AI tools. Your files, encrypted at rest by default; budgeted reads.

Aug 22, 2026Memory Knowledge
Local service39/100
Community

AI long-term memory MCP server with importance scoring and confidence calibration

Jun 16, 2026Memory Knowledge
Local service39/1001

dark memory mcp

Opita-Code

Community

Persistent memory + vibe-loop engine for AI agents. Single Go binary, SQLite-backed, stdio MCP.

Aug 21, 2026Memory Knowledge
Local service39/100
Community

Long-term memory for AI agents: local-first PKM with provenance and hybrid search.

Aug 18, 2026Memory Knowledge
Local service39/100

Sthayi

sthayi-ai

Community

Local-first AI memory over MCP. No account; you own the store.

Aug 13, 2026Memory Knowledge
Local service39/100

Attestari

attestari

Community

Auditable memory for AI agents: provable deletion, tamper-evident audit, time-travel recall.

Aug 12, 2026Memory Knowledge
Local service39/100
Community

Recall, check, search, timeline, and graph tools for fiction writers via Seizn Memory v3.

Aug 10, 2026Memory Knowledge
Local service39/100
Community

Personality Runtime for AI agents — persistent memory, personality, and relationships via MCP

May 28, 2026Memory Knowledge
Local service39/1001

Nuzo Memory

fabionfsc

Archived

Local-first, auditable memory for MCP-compatible AI agents with explicit writes and SQLite storage.

Aug 14, 2026Memory Knowledge
Local service39/1002

archetypal ai

archetypal-ai

Community

Persistent memory for AI agents. recall, remember, checkpoint — soul preservation.

Mar 24, 2026Memory Knowledge
Local service39/1002

RAWThink

ygtalp

Community

Persistent memory for AI thinking partnerships: hybrid search and a temporal knowledge graph.

Jul 31, 2026Memory Knowledge
Local service39/100
Community

The structured memory layer your AI is missing. Requires the free Wuniq desktop app.

Jul 28, 2026Memory Knowledge
Local service39/100
Community12

SQLite-backed MCP server for persistent memory, full-text retrieval, and graph traversal.

Mar 1, 2026Memory Knowledge
Local service69/100
Community

Memory Search MCP Server by MEOK AI Labs

Jul 26, 2026Memory Knowledge
Local service39/100
Community

Shared, project-aware memory for Claude Code, Codex, and other agents with human review.

Jul 16, 2026Memory Knowledge
Local service39/100

AI Agent Memory

xiangzi1126

Community

Agent-agnostic persistent memory MCP server. Local-first: memories travel with your project.

Jul 15, 2026Memory Knowledge
Local service39/100