21st-dev/1code

Orchestration layer for coding agents (Claude Code, Codex)

Latest release v0.0.84 — 1Code v0.0.84 · 6 Mar 2026

2 files for Codex, OpenCode and Claude Code: 1code AGENTS.md, 1code CLAUDE.md — 2,846 tokens loaded in every session.

Open on GitHub 1code.dev

5,573Stars on the repository

2Files it configures its agents with

2,846Tokens loaded in every session

3Agents configured

Instructions

1code AGENTS.md AGENTS.md A 143 tok
1code CLAUDE.md CLAUDE.md D 2,703 tok

These files are 21st-dev/1code's own configuration — they tell Codex, OpenCode and Claude Code how to work on this repository, so they are not mods to install elsewhere. Copy one as a starting point and replace the parts that are about this project.