The agent that built it never leaves. A source-aware harness for every AI-built app — source-mapped build plugins, an MCP daemon, and a runtime client that let the agent keep watching, listening, and fixing the app long after it ships.
Latest release v4.5.3 — Harness-FE 4.5.3 · 21 Oct 2026
1 file for Codex and OpenCode: harness-fe AGENTS.md — 82 tokens loaded in every session.
AGENTS.md A 82 tok These files are Morphicai/harness-fe's own configuration — they tell 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.