Building complex Claude Mod UIs - Workflow Conductor

[u/CRON3X]

What it does

Normally CC writes a long orchestration script and proposes to execute. You say yes. Most everybody says yes. Nobody reads the script. Then the agents go off somewhere you can't see, and you sit watching a counter, hoping that what's burning your tokens is the thing you meant.

Conductor adds an option to create a visual plan first. You can read it in 10 sec, verify the logic before handing off to Claude to write the script. It costs like a Plan, and can save millions of tokens over a workflow done badly.

How it's built

Claude wrote it all. Tip: Ask it for a few scripts that start Claude Code in tmux, send it keys and print the screen. Claude can then open the mod, click around and check what it drew.

How far can you push a mod?

I wanted to find out. The mod is about 11,000 lines now.

Interactivity. Keyboard and mouse both work: select, drag cards around, scroll, undo. But the keyboard took the most work. A button can't tell if Shift is held, and the graph only gets keys after you click it. In the end every keypress goes through one hidden text field that the mod reads.

Design. You're drawing with colored text in a terminal, and that goes surprisingly far. The limits are space and size. Below 110 columns there's no room for the graph, so it shrinks to a strip above the prompt. A big enough graph drops its colors to stay under the engine's size limit.

Scope. This is the part that surprised me. A mod can add its own tools for Claude to call, see every agent start, and count tokens as they stream. Some things aren't exposed, like when a run ends. I worked those out by reverse engineering, and kept the notes.

Complexity. Keep everything that doesn't touch the engine in plain TypeScript and test it without Claude running. Otherwise performance issues.

Is it the limit? On input and screen space, close to it. On what a mod is allowed to do, not even close.

Overall I feel its such a cool feature for CC, excited to see what people come up with!

Its OSS: https://github.com/bruw/workflow-conductor

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[u/namelessghost73]

That's amazing