The real mechanism behind this
This is not a trick prompt. Claude Code has a built in feature called subagents: specialized Claude instances you define once, each with its own system prompt, its own scoped tool list, and its own context window.
You define a subagent as a Markdown file with YAML frontmatter: name, description, optional tools and model.
Project subagents live in .claude/agents/ inside your repo, so they are version controlled and shared with your team.
User subagents live in ~/.claude/agents/, so they follow you into every project.
Run /agents inside Claude Code to see, create, and manage them from a menu.
The assembly line effect, one job per station, nothing moves until it is signed off, comes from two things stacked on top of that real feature: giving each subagent a narrow job and a narrow toolset, and giving the main session an orchestration prompt that enforces the order and the gate. Section three is that exact prompt.
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The rest of this guide (6 more sections, 9 copy-paste prompts) opens right here. The setup prompt, one paste into Claude that sets it all up, comes by email only. Use your real address.
Unlocks: The seven stations · The Part That Makes It a Line, Not Just Seven Agents · The one prompt that runs the line · How to tell it is actually running as a line · 3 quick wins to try · +1 more
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