@BennyKokMusic shared an open-source coding-agent harness that works with both Claude and Codex (plus OpenCode, Pi, and more) across web, desktop, and native iOS clients, runnable on a Mac or any cloud VPS. It adds agent-to-agent communication, image/video and file attachments, MCP-driven Codex/Claude sub-agents, and transcription for coding agents.

Key Takeaways

  • ✓One harness covers Claude, Codex, OpenCode, Pi, and more coding agents.
  • ✓Ships web, desktop, and native iOS clients for Mac or cloud VPS hosts.
  • ✓Adds MCP sub-agents, attachment display, and agent-to-agent communication.
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Heavy Claude Code use: compare subscription limits and API bills

Compare 40 dev plans & simulate token costs vs $20/mo subscriptions

Action HubReady to adopt this in production?

Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.

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