Orchestrate Claude, Codex and Grok in one app. Open-source (MIT), reuses the subscriptions you already pay for.
Happy is a mobile, web, and desktop client that lets people use Claude Code and Codex remotely from their computers and mobile devices. It is for developers who want encrypted access to coding-agent sessions, including notifications and switching between devices. The catalogue add-ons extend the workflows available in this client.
Latest release cli-1.2.5 — Happy CLI v1.2.5 · 22 Sept 2026
12 files for Claude Code, Codex and OpenCode: triage-issues-and-prs, agent-browser, control-flow, dev and 8 more — 413 tokens loaded in every session.
AGENTS.md A 413 tok packages/happy-app/.claude/settings.json A — .agents/skills/agent-browser/SKILL.md A 22 tok .agents/skills/control-flow/SKILL.md A 54 tok .agents/skills/dev/SKILL.md C 67 tok .agents/skills/maintain/SKILL.md A 53 tok .agents/skills/metrics-graphana/SKILL.md A 67 tok .agents/skills/office-hours/SKILL.md A 135 tok .agents/skills/release/SKILL.md A 64 tok .agents/skills/sessions/SKILL.md C 78 tok .agents/skills/terminal-emulator/SKILL.md A 77 tok .agents/agents/triage-issues-and-prs.md A 82 tok These files are slopus/happy's own configuration — they tell Claude Code, Codex and OpenCode 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.