LazyCodex
Agent harness for Codex that adds project memory, planning, execution and verified completion for complex codebases.
Updated
✨ Try AgentScout's free AI image generator →Good for: writing code, building AI agents, memory for agents
Use cases
About LazyCodex
LazyCodex is listed in our coding category and is aimed at builders. Agent harness for Codex that adds project memory, planning, execution and verified completion for complex codebases. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-18.
LazyCodex at a glance
- Category: Coding
- Built for: Developers and teams building with AI agents
- Pricing: Open source (as the maker states it)
- Licence: MIT License (OSI-approved open source)
- GitHub: code-yeongyu/lazycodex · 3,804 stars (as of Oct 21, 2026)
- Latest release: v5.1.40, Oct 20, 2026
- Last commit: Oct 20, 2026
- Official site: lazycodex.ai
- Listed on AgentScout: Oct 18, 2026
LazyCodex FAQ
What is LazyCodex?
Agent harness for Codex that adds project memory, planning, execution and verified completion for complex codebases.
How much does LazyCodex cost?
LazyCodex's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Is LazyCodex open source?
Yes. LazyCodex's GitHub repository is published under the MIT License, according to the licence file in the repo.
Where can I find LazyCodex's source code?
On GitHub at code-yeongyu/lazycodex, which had 3,804 stars as of Oct 21, 2026. The latest release is v5.1.40 (Oct 20, 2026).
What are alternatives to LazyCodex?
Similar tools include Vibe Kanban, HumanLayer, Trail Code, Oh My OpenAgent (OmO), Pydantic Deep Agents and Wake.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
LazyCodex ratings and reviews
Be the first to rate LazyCodex: tap 1 to 5 stars below. A written review is optional.
LazyCodex alternatives
Other coding tools in our directory. See all coding tools →
Vibe Kanban
Kanban board for planning and running tasks with Claude Code, Codex and other coding agents.
HumanLayer
Tools for getting coding agents to solve hard problems in complex codebases.
Trail Code
Context layer that makes Claude Code, Cursor, Codex and other coding agents faster and cheaper on large codebases.
Oh My OpenAgent (OmO)
Agent harness add-on (OmO) for OpenCode and Pi that runs multi-model coding agent teams with memory, planning and parallel workflows.
Pydantic Deep Agents
Self-hosted terminal AI assistant and Python framework on Pydantic AI, with tool calling, sandboxed execution, multi-agent teams and checkpoints.
Wake
Wake is a desktop app that collects every coding-agent conversation on your computer into one searchable place. It reads the local history kept by Claude Code, Codex, Cursor, Copilot CLI, Gemini CLI, Antigravity, Devin and other agents, groups sessions by agent and project, and lets you find a past conversation in seconds and resume it in your terminal. It is read-only and nothing leaves your machine. Built in Rust, it runs on macOS, with Linux and Windows in beta.
Related lists
🏆 Ranked in: Oh My OpenAgent (OmO) alternatives · Cursor alternatives
🔁 Listed in: Oh My OpenAgent (OmO) alternatives · Cursor alternatives
🧭 Task guides: Memory tools for building AI agents · Memory tools for coding agents
Badge for makers
Built LazyCodex? Add this badge to your README or site. It links back to this page. About badges
