Builder stack

Custom design skill + agents

Pair Paper with a custom design skill in Opencode, Claude Code, or Codex.

Mark's setup: a written design skill, then Opencode (or Claude Code / Codex) against Paper.

I wrote a design skill and just use Opencode (or Claude Code / Codex). It's amazing.

In this recipe

  1. The canvas the skill and agents work against.

  2. Design skillSkill

    The custom skill Mark wrote.

  3. The agent host cited first.

  4. Claude CodeAgentOptional

    Cited as an alternative host for the same skill.

  5. CodexAgentOptional

    Cited as an alternative host for the same skill.

Cited from

@markproxa · Mark

https://x.com/markproxa/status/2092016074103390649

187 impressions0 likes0 bookmarks0 replies0 reposts · captured 2026-09-15