oh-my-agent: Portable Multi-Agent Harness for .agents Skills Across Claude Code, Codex, Cursor, and More — 624 Stars
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oh-my-agent by first-fluke is a portable multi-agent harness implementing the .agents specification for skills, workflows, and standards-aware agent teams. At 624 stars since its January 2026 launch, it works across Antigravity, Claude Code, Codex, Cursor, OpenCode, and Serena. The project addresses vendor lock-in by making agent configurations portable — define your agent team once, run it on any supported coding tool.