letta-code — security grade SAFE, quality 70/100

Security audit verdict: SAFE · quality 70/100

No red flags found in any of the 11 categories — no credential harvesting, no data exfiltration, no curl-pipe-shell installer. Scanned against the SlowMist agent-security taxonomy, refreshed every 8 hours. Full audit →

by letta-ai · Codex Skill · ★ 3.5k

Last updated: · Indexed by AgentSkillsHub · Auto-synced every 8h

🔒 Is letta-code safe to install? View the security audit →

About letta-code

Letta Code Letta Code is a stateful agent harness for creating agents that are more like people than tools. Letta Code agents have memory, identity, and a sense of experience over time. They learn and evolve over long horizons through rewriting their own memory, skills, prompts, and even the harness itself (through mods). Letta Code can be used interactively, or to power always-on agents that work proactively. Interact with agents through: A local CLI The desktop app for macOS, Windows, and Linux Your browser, including mobile, at chat.letta.com Messaging integrations, including Telegram, Slack, Discord, and custom channels Feature Overview [!TIP] Letta Code agents are designed to be self-configuring. If you wa

agent-memoryaiclaudecodexcontinual-learninglettamemgptstateful-agents

Quick Facts

Stars3,504
Forks425
LanguageTypeScript
CategoryCodex Skill
LicenseApache-2.0
Quality Score69.5627115714592/100
Open Issues490
Last Updated2026-10-03
Created2025-10-25
Platformsclaude-code, codex, node
Est. Tokens~15k

Compatible Skills

These tools work well together with letta-code for enhanced workflows:

  • Ori-Mnemos — semantic(0.20)+complementary+same_lang+similar_pop+shared_platform (57%)
  • AgentRecall-MCP — semantic(0.19)+complementary+same_lang+similar_pop+shared_platform (57%)
  • memorix — semantic(0.22)+complementary+same_lang+similar_pop+shared_platform (53%)
  • honcho — semantic(0.32)+complementary+rare_topics+similar_pop (51%)

letta-code alternative? Top 6 similar tools

Looking for a letta-code alternative? If you're comparing letta-code with other codex skill tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

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Frequently Asked Questions

What is letta-code?

letta-code is Stateful agents that are like people, with memory, identity, and the ability to learn and adapt. It is categorized as a Codex Skill with 3.5k GitHub stars.

What programming language is letta-code written in?

letta-code is primarily written in TypeScript. It covers topics such as agent-memory, ai, claude.

How do I install or use letta-code?

You can find installation instructions and usage details in the letta-code GitHub repository at github.com/letta-ai/letta-code. The project has 3.5k stars and 425 forks, indicating an active community.

What license does letta-code use?

letta-code is released under the Apache-2.0 license, making it free to use and modify according to the license terms.

What are the best alternatives to letta-code?

The top alternatives to letta-code on Agent Skills Hub include honcho, openpencil, dbhub. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.

How this security grade is produced

Grades come from a rule-based scan built on the SlowMist agent-security taxonomy, covering 11 red-flag categories including credential harvesting, data exfiltration, and curl | sh installers. It is a first-layer scan, not a manual audit — we say so rather than overstate it.

The scale of the problem is documented independently: Liu et al. (2026), in a study of 31,132 agent skills, report that 26.1% contain security vulnerabilities. Our own full-catalog census is published as a citable open dataset.

Sources & who's responsible:

View on GitHub → Browse Codex Skill tools