# jevmem > jevmem saves the decisions, rules and failed approaches from your Claude Code chats to JEVMEM.md in your repo, and brings the relevant ones back next session. jevmem needs a TypeSafe API key: message text is sent to TypeSafe to be scored, with common secrets scrubbed first. ## Docs - [What is jevmem?](https://avinash-jetwani.github.io/jevmem/index.md): what it does, what was measured, how to install it, which tools it works with - [How do I make Claude Code remember project decisions across sessions?](https://avinash-jetwani.github.io/jevmem/claude-code-memory.md): why a file, how jevmem keeps it, and CLAUDE.md, auto memory and jevmem side by side - [How does jevmem compare with CLAUDE.md, Claude Code's auto memory and other memory tools?](https://avinash-jetwani.github.io/jevmem/compare.md): how each saves, where it stores, what it works with, whether it needs a key, its licence - [What is Jev used for in coding agents, and how does jevmem use it?](https://avinash-jetwani.github.io/jevmem/jev.md): the three places jevmem calls Jev, and why Jev and not an LLM - [Can Claude Code check commands against my project's rules before they run?](https://avinash-jetwani.github.io/jevmem/guard.md): the guard, how it reads a command, its modes and its limits - [How do I install jevmem?](https://avinash-jetwani.github.io/jevmem/install.md): the four steps, the other install paths, upgrading - [How do I use jevmem in Cursor?](https://avinash-jetwani.github.io/jevmem/cursor.md): setup, the MCP config, what is automatic and what is not - [How do I use jevmem in Codex?](https://avinash-jetwani.github.io/jevmem/codex.md): setup, `jevmem watch`, the MCP config - [How do I use jevmem in Claude Desktop?](https://avinash-jetwani.github.io/jevmem/claude-desktop.md): setup and the MCP config - [What leaves my machine?](https://avinash-jetwani.github.io/jevmem/privacy.md): what is sent to TypeSafe, what is scrubbed, what is stored, how to delete it - [Does jevmem need a key, what does it cost, and what are its limits?](https://avinash-jetwani.github.io/jevmem/faq.md): key, cost, local models, teams through git, every known limit ## Results - [Does jevmem work?](https://avinash-jetwani.github.io/jevmem/results.md): every measured result, with its method and its limits - [The results files](https://github.com/Avinash-jetwani/jevmem/tree/main/results): the file behind each number, in the repository ## Optional - [What changed in each version of jevmem?](https://avinash-jetwani.github.io/jevmem/whats-new.md): 0.6's features with their measurements, and every version with its date - [Every page in one file](https://avinash-jetwani.github.io/jevmem/llms-full.txt) - [The repository](https://github.com/Avinash-jetwani/jevmem): source, README, CHANGELOG, MIT licence