head to head · open source
claude-mem vs prompt-master
claude-mem has 94,125 GitHub stars, 8,305 forks, 186 open issues and last shipped yesterday. prompt-master has 13,233 stars, 1,540 forks, 33 open issues and last shipped 25 days ago. claude-mem leads on adoption by 611% (94,125 vs 13,233 stars). claude-mem is written in TypeScript under Apache-2.0; prompt-master is written in various languages under MIT. claude-mem has attracted 9% as many forks as stars, prompt-master 12%. claude-mem was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (claude-skills), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| claude-mem | prompt-master | |
|---|---|---|
| GitHub stars | ★ 94K | ★ 13K |
| License | Apache-2.0 | MIT |
| Written in | TypeScript | — |
| Last push | 2026-09-17 | 2026-08-24 |
| Forks | ⑂ 8.3K | ⑂ 1.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick claude-mem if
- You weight community size — 94K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick prompt-master if
- You want the prompt-master feature set and don't need the biggest community
- You prefer the MIT license terms
- You evaluated both and prompt-master fits your workflow better
About claude-mem
claude mem is an Apache 2.0 TypeScript memory layer for AI coding agents that captures what an agent did during a session, compresses it with AI, and injects the relevant parts back into future sessions, built for developers running Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode and similar tools.
read the full claude-mem overview →
About prompt-master
Prompt Master is a Claude skill that writes prompts for other AI tools. It lives in the Claude skills ecosystem: a downloadable repository that is uploaded into Claude.ai through the Customize → Skills interface, or cloned into the Claude Code skills directory. The project carries an MIT license and the topics claude ai, claude skills, llm, and prompt engineering, placing it squarely in AI development tooling rather than in application software.
read the full prompt-master overview →
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Frequently asked questions
Is claude-mem or prompt-master more popular?
claude-mem has 94,125 GitHub stars and prompt-master has 13,233. claude-mem has the larger community by that measure.
Are claude-mem and prompt-master free?
Both are open source. claude-mem is licensed under Apache-2.0 and prompt-master under MIT. Neither carries a licence fee.
What is the difference between claude-mem and prompt-master?
claude-mem is written in TypeScript and prompt-master in various languages. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, claude-mem or prompt-master?
Choose claude-mem if you want the larger community (94,125 stars) or its Apache-2.0 licence terms. Choose prompt-master if its feature set, stack or MIT licence fits better. Both are self-hostable.