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Incremental Implementation

Trains Claude to ship features as thin, working vertical slices — implement, test, verify, commit — instead of dumping an entire feature at once.

Dev & CodingIntermediate★ 422⑂ 44AI score 9/10Last updated: Sep 12, 2026

What it does

  • Breaks any multi-file change into thin vertical slices and runs the loop implement → test → verify → commit → next slice.
  • Offers three slicing strategies: vertical (preferred), contract-first for parallel FE/BE work, and risk-first to de-risk uncertainty early.
  • Enforces implementation rules: simplicity first, scope discipline (don't touch adjacent files), one logical change per commit, keep the build green, feature-flag incomplete work, safe defaults, rollback-friendly commits.
  • Ships a per-increment checklist (test/build/typecheck/lint/commit), a red-flag list, and a table rebutting common rationalizations like "I'll test it all at the end".

Who it's for

  • Developers tired of Claude Code producing 500-line diffs that are hard to review or debug.
  • Teams working from a task breakdown who want predictable, sequential delivery.
  • Maintainers of production codebases who need small PRs and easy rollbacks.

Examples

  1. Build CRUD: ask for a task manager and get slice 1 (create: DB+API+UI), slice 2 (list), slice 3 (edit), slice 4 (delete), each tested and committed.
  2. Risk-first: for a realtime feature, prove the WebSocket connection works before building updates and offline support on top of it.
  3. Scope control: say "only Task 3, don't touch the UI yet" and unrelated cleanups get reported as notes instead of silently edited.

· · · Install guide · · ·

Try it now, no install

Paste this into Claude to use the skill without installing anything.

Read the instructions in this file and follow them to help me:
https://raw.githubusercontent.com/aiskillstore/marketplace/HEAD/pending/addyosmani/incremental-implementation/SKILL.md

What I want: (describe your task here)

If Claude can't open the link, open it yourself and paste the contents instead.

↓ If it works for you, download the ZIP below and install it. Then it runs on its own — no pasting each time.

Install in the Claude app (no terminal)
  1. Download the ZIP with the button below.
  2. In Claude, open Settings → Capabilities and turn on 'Code execution and file creation'. (one time)
  3. Go to Customize → Skills → + → 'Upload a skill' and upload the ZIP.
↓ Download ZIP
Install in Claude Code

Let Claude do it — paste this into Claude Code

Install the skill I found on Claude Skill Mart.
Copy the pending/addyosmani/incremental-implementation folder from the GitHub repo aiskillstore/marketplace into my ~/.claude/skills/incremental-implementation/.
When it's done, tell me in one line what this skill can do.

Install with a command instead

git clone https://github.com/aiskillstore/marketplace.git /tmp/marketplace && mkdir -p ~/.claude/skills && cp -r /tmp/marketplace/pending/addyosmani/incremental-implementation ~/.claude/skills/

⚠ This is a third-party skill. Check the source repository before installing.

  1. Open a terminal.
  2. Clone the repo: git clone https://github.com/aiskillstore/marketplace.git
  3. Create the skills folder: mkdir -p ~/.claude/skills
  4. Copy the skill: cp -r marketplace/pending/addyosmani/incremental-implementation ~/.claude/skills/
  5. (Recommended) Also copy the sibling skills it references — git-workflow-and-versioning, test-driven-development — plus the references/ folder so cross-links resolve.
  6. Restart Claude Code, then try "implement this feature incrementally" to confirm the skill triggers.
View source on GitHub ↗