OpenSail is the open-source alternative to Codex App, Claude Desktop, Cursor, and Cowork for agentic software work.
Latest release v0.1.1 — v0.1.1 - Agents, Apps, Automations · 28 Apr 2026
2 files for Codex, OpenCode and Claude Code: OpenSail AGENTS.md, OpenSail CLAUDE.md — 15,850 tokens loaded in every session.
AGENTS.md A 9,646 tok CLAUDE.md A 6,204 tok These files are TesslateAI/OpenSail'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.