claude-mem Memory Engine

Name: claude-mem Memory Engine Review
Item: claude-mem Memory Engine
Rating: 3.8
Author: Aaron Matthews

Skill Productivity Solid

Persistent cross-session memory for Claude Code using local SQLite with hybrid FTS5/semantic search, automatic context injection, 30+ language support, and a background compression worker. 44.5K stars.

Remember project context and decisions across coding sessions
Search past notes and memories using natural language queries
Compress and manage session history to keep context efficient

45,603 starsFreeQuick setup

Why it matters

Persistent context is the most requested enterprise Claude Code capability — this is the most battle-tested open-source solution with 42k GitHub stars and daily updates.

Best for

Development teams running long-duration Claude Code sessions; enterprise AI transformation engagements where developers use Claude Code daily.

Works in

Claude Code Claude Cowork Claude Chat

Source

https://github.com/thedotmack/claude-mem

By thedotmack

How to Get It

Option 1: Claude Desktop App (Code Mode)Click the + button next to the prompt box → Plugins → Add plugin. Search and click Install. Skills work in Claude Code only.

Option 2: Paste into Claude CodeCopy the command below and paste it into your conversation. Claude will install it.

Command

/plugin marketplace add thedotmack/claude-mem && /plugin install claude-mem

Tip: Paste this into a Claude Code conversation. Verify command matches your Claude Code version.

Time to functional30 minutesCostFree

Trust Signals Source Reviewed

Stars45,603Contributors75Last updated2026-04-05Known CVEsNone found

Data & Access

Data processingPrompts sent to Anthropic API. Enterprise/Team plans exclude training.

Community Pulse Active

Discussed on Hacker News, Reddit

Found an open-source tool (Claude-Mem) that gives Claude "Persistent Memory" via — Reddit · 729 pts
Claude Memory — Hacker News · 559 pts
Claude’s memory architecture is the opposite of ChatGPT’s — Hacker News · 448 pts

25 mentions across 2 sources

Reviewer notes

Source Reviewed review. These are observations, not a security certification.

42k stars, v10.6.2, actively maintained daily. AGPL-3.0 license creates commercial licensing friction for enterprise — must disclose. Spawns background HTTP server on port 37777 (local network exposure). Auto-installs Bun and uv runtimes if missing (supply chain concern to flag with clients). Tier-2 due to license and runtime complexity.

AGPL-3.0 — enterprise commercial use requires legal review. Background HTTP server on port 37777. Auto-installer downloads Bun/uv from the internet. Depends on @anthropic-ai/claude-agent-sdk, express, chromadb. Individual maintainer (849 followers) with good hygiene. No known CVEs.

2026-04-02: LIMITATION: AGPL-3.0 license creates commercial licensing friction — companies must disclose source or obtain a commercial license. Spawns a background HTTP server on port 37777.

How to evaluate tools before deploying →

Data shown here comes from public APIs and automated scanning. Reviewer notes reflect one person's experience. This is not a security certification or legal recommendation. Always evaluate tools according to your own organization's policies.

Evaluation Scores

Evaluation

Ease of Use

3/5

Versatility

4/5

Reliability

5/5

Security

3/5

Overall score3.75 / 5.00 SolidEvaluatedMar 2026

42k stars, v10.6.2, actively maintained daily. AGPL-3.0 license creates commercial licensing friction for enterprise — must disclose. Spawns background HTTP server on port 37777 (local network exposure). Auto-installs Bun and uv runtimes if missing (supply chain concern to flag with clients). Tier-2 due to license and runtime complexity.

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