claudegoodies
Skill

incremental-implementation

From addyosmani

Delivers changes incrementally. Use when implementing any feature or change that touches more than one file. Use when you're about to write a large amount of code at once, or when a task feels too big to land in one step.

Facts

Repository
addyosmani/agent-skills
Status
Actively maintained
Last commit
Source file
skills/incremental-implementation/SKILL.md

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The instructions Claude Code reads when this skill runs.

# Incremental Implementation

## Overview

Build in thin vertical slices — implement one piece, test it, verify it, then expand. Avoid implementing an entire feature in one pass. Each increment should leave the system in a working, testable state. This is the execution discipline that makes large features manageable.

## When to Use

- Implementing any multi-file change
- Building a new feature from a task breakdown
- Refactoring existing code
- Any time you're tempted to write more than ~100 lines before testing

**When NOT to use:** Single-file, single-function changes where the scope is already minimal.

## The Increment Cycle

```
┌──────────────────────────────────────┐
│                                      │
│   Implement ──→ Test ──→ Verify ──┐  │
│       ▲                           │  │
│       └───── Commit ◄─────────────┘  │
│              │                       │
│              ▼                       │
│          Next slice                  │
│                                      │
└──────────────────────────────────────┘
```

For each slice:

1. **Implement** the smallest complete piece of functionality
2. **Test** — run the test suite (or write a test if none exists)
3. **Verify** — confirm the slice works as expected (tests pass, build succeeds, manual check)
4. **Commit** -- save your progress with a descriptive message (see `git-workflow-and-versioning` for
View full source on GitHub →

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