Write technical specifications with architecture, data models, and API designs.
6-8 hrs → 20 min
Compared to doing it manually
/technical-spec-writerType this in Claude to run the skill
PRDs describe what to build. Engineers need specs that describe how to build it.
.claude/skills/ folder in your project/technical-spec-writer in Claude to run the skillCreate compelling one-page feature briefs that align stakeholders quickly.
Write one-page product briefs to get buy-in before investing in full specs.
Design onboarding flows that guide users to value quickly without being annoying.
Write clear user stories with acceptance criteria following the INVEST principles.
A PRD defines WHAT to build and WHY (owned by Product). A technical spec defines HOW to build it — architecture, APIs, data models, dependencies (owned by Engineering). The PRD comes first.
Usually the tech lead or senior engineer who will own the implementation. Product provides the PRD as input; engineering translates it into technical approach.
Detailed enough that another engineer could implement it. Include API contracts, data schemas, system diagrams, and edge cases. But don't over-specify — leave room for implementation decisions.
Download this skill and drop it in your .claude/skills/ folder.
This skill + 70+ more, context files, and agent workflows — $499