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The .notes directory is for local development notes and should not be committed to the public repo. This removes the accidentally committed file and prevents future accidental commits. 🐾 Generated with [Letta Code](https://letta.com) Co-Authored-By: Letta <noreply@letta.com>
Letta Code
Letta Code is a memory-first coding harness, built on top of the Letta API. Instead of working in independent sessions, you work with a persisted agent that learns over time and is portable across models (Claude Sonnet/Opus, GPT-5, Gemini 3 Pro, GLM-4.6, and more).
Read more about how to use Letta Code on the official docs page.
Get started
Install the package via npm:
npm install -g @letta-ai/letta-code
Navigate to your project directory and run letta (see various command-line options on the docs).
Note
By default, Letta Code will connect to the Letta Developer Platform (includes a free tier), which you can connect to via OAuth or setting a
LETTA_API_KEY. You can also connect it to a self-hosted Letta server by settingLETTA_BASE_URL
Philosophy
Letta Code is built around long-lived agents that persist across sessions and improve with use. Rather than working in independent sessions, each session is tied to a persisted agent that learns.
Claude Code / Codex / Gemini CLI (Session-Based)
- Sessions are independent
- No learning between sessions
- Context = messages in the current session +
AGENTS.md - Relationship: Every conversation is like meeting a new contractor
Letta Code (Agent-Based)
- Same agent across sessions
- Persistent memory and learning over time
/clearresets the session (clears current in-context messages), but memory persists- Relationship: Like having a coworker or mentee that learns and remembers
Agent Memory & Learning
If you’re using Letta Code for the first time, you will likely want to run the /init command to initialize the agent’s memory system:
> /init
Over time, the agent will update its memory as it learns. To actively guide your agents memory, you can use the /remember command:
> /remember [optional instructions on what to remember]
Letta Code works with skills (reusable modules that teach your agent new capabilities in a .skills directory), but additionally supports skill learning. You can ask your agent to learn a skill from it's current trajectory with the command:
> /skill [optional instructions on what skill to learn]
Read the docs to learn more about skills and skill learning.
Community maintained packages are available for Arch Linux users on the AUR:
yay -S letta-code # release
yay -S letta-code-git # nightly
yay -S letta-code-bin # prebuilt release
Made with 💜 in San Francisco