Ryan Carson’s Three-File Workflow for Building with Coding Agents

The founder demonstrates a PRD, staged task list and review loop on a real feature idea.

RCRyan Carson게스트
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Peter Yang
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2025년 10월 5일
영상
51:54
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요약

30초 요약

Carson uses structured prompts and tests to guide implementation, then reflects on learning and solo entrepreneurship.

  1. 1Create a PRDQuestions turn an initial idea into a more explicit specification.
  2. 2Generate tasksReview parent tasks before creating atomic subtasks.
  3. 3Process and testA third prompt establishes an iterative implementation loop.
  4. 4See the interfaceAn early static mockup can reveal missing product decisions.
  5. 5Find a real problemCarson explains the motivation for a narrowly scoped business.

핵심 정리

  1. Clarify the user, problem and goals before generating a PRD.
  2. Review high-level tasks before breaking them into smaller steps.
  3. Use meaningful tests and inspect changes throughout implementation.
  4. Consider a static interface early to expose misunderstandings.
  5. Treat legal and database-sensitive work with appropriate review.
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원본 자막만 보기
01

A structured coding workflow

Carson introduces the three prompt files and creates a PRD.

Founder Ryan Carson shows Peter Yang a three-file prompt workflow for building a feature with a coding agent. The files guide a product requirements document, a task list and the processing of those tasks. He demonstrates it on his own early-stage divorce-support application; the application is not a substitute for legal advice.

The first Markdown prompt asks the agent to clarify the problem, audience and goals before producing a PRD. In the demonstration Carson describes a relationship-assessment idea and, to save interview time, lets the agent choose answers to some questions. He says he would normally review and answer them more carefully.

02

Plan and implement

He reviews tasks, adds tests and processes changes incrementally.

The second prompt turns the PRD into a task list. Carson asks for high-level parent tasks first, reviews them, adds a feature-branch step and then generates smaller subtasks. A more capable reasoning tool reviews the plan, but Carson still removes suggestions he does not want.

He asks for meaningful tests during implementation so the agent has feedback before proceeding. The third file controls execution: work through one subtask at a time, mark it complete, run the relevant tests after a parent task and commit when appropriate. These instructions support a review loop; passing tests alone does not establish production readiness.

The example reaches a database change, which Carson recognizes requires a migration. A planned task list is not a guarantee that a migration is safe: changes to sensitive data still require careful review, suitable access controls and recovery planning.

03

Learn and prototype

The agent acts as a tutor and creates a static questionnaire.

Carson recommends using an agent as a tutor: pick a subject you care about, build a small project and ask the assistant to explain its choices. The learner remains responsible for checking explanations and understanding how the application behaves.

During the interview he interrupts the implementation to request a static questionnaire mockup. Seeing the interface reveals decisions that might otherwise be discovered after database work, and he considers adding that visual step earlier in the workflow. The demo shows a basic UI rather than a fully validated finished feature.

04

A solo founder’s choices

Carson discusses a specific customer problem and business goals.

Carson describes choosing a narrow, painful problem after seeing relatives struggle with divorce, and contrasts urgent problems with products aimed at gradual self-improvement. His application is initially limited to Connecticut because legal processes differ by jurisdiction. His business and cost claims are his own estimates, not evidence of a guaranteed outcome.

As a solo founder, Carson values control over his work and time, while acknowledging that a small business and a venture-backed company have different ambitions and responsibilities. He also works on the Amp coding product demonstrated in the episode, a connection relevant to his tool preference.

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