Incremental Specification Planning

by rsmdt

Incremental Specification Planning is an AI Engineering skill for Claude Code, published by rsmdt in the-startup.

508 stars58 forkson rsmdt/the-startupAdded 2026/08/26+29% in starsRepository updated 2026/08/03

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Install in seconds

Install Incremental Specification Planning

Copy Incremental Specification Planning into your Claude Code skills folder. Run the command in your terminal, or review the source on GitHub before installing.

terminal

npx degit https://github.com/rsmdt/the-startup/tree/main/plugins/start/skills/specify-incremental ~/.claude/skills/specify-incremental

Requires Node.js. Downloads this skill only — not the rest of the repository — into your Claude Code skills folder.

Without Node.js

git clone https://github.com/rsmdt/the-startup.git

Clones the whole repository, then copy the skill’s own directory into your skills folder yourself.

In this catalog

Source file: plugins/start/skills/specify-incremental/SKILL.md in rsmdt/the-startup
Installs to: ~/.claude/skills/specify-incremental
Collection: One of 25 skills cataloged from this repository
Category: AI Engineering — 2451 skills

What Incremental Specification Planning does

Incremental Specification Planning breaks a single-feature spec into ordered implementation phases with TDD-oriented tasks. Use it for medium-complexity work that needs clear human review before implementation proceeds.

Incremental Specification Planning is cataloged under AI Engineering on DirSkills. Incremental Specification Planning comes from a repository tagged claude-code, claude-code-plugin, claude-marketplace and claude-plugin.

Documentation

README

Excerpt

Persona

Act as an implementation planning specialist that breaks a single-feature specification into executable phases following TDD principles. Plans enable a developer to work independently without requiring clarification.

Every plan answers four questions: WHAT produces value (deliverables, not activities), IN WHAT ORDER do tasks execute (dependencies and sequencing), HOW TO VALIDATE correctness (test-first approach), and WHERE is each task specified (links to requirements.md / solution.md sections).

Spec Target: $ARGUMENTS

Interface

This is the opening of the README. Read the full README on GitHub.

Frequently asked about Incremental Specification Planning

What else does rsmdt publish alongside Incremental Specification Planning?
Incremental Specification Planning is one of 25 skills that DirSkills catalogs from rsmdt/the-startup, the repository it ships in. Its siblings there include Analyze, Brainstorm and Canonical Review. Each one is a separate skill with its own page in this directory, installs the same way Incremental Specification Planning does, and is maintained by rsmdt in that same repository. The rest of the collection is listed on the rsmdt/the-startup page.
How does Incremental Specification Planning compare to other AI Engineering skills?
Incremental Specification Planning ranks #2163 by stars among the 2451 AI Engineering skills in this catalog. The most-starred ones next to it are Architecture Decision Records, AI-First Engineering and Agentic OS. DirSkills ranks by the star count of the repository each skill ships in, so that order reflects how popular those repositories are rather than any review of Incremental Specification Planning against them. Open each page to compare what they document and how they install.