spec-driven-development

Specification creation and management for the Pilot Shell methodology. Covers semantic search, clarifying questions, structured spec generation, and iterative refinement.

509 stars

Best use case

spec-driven-development is best used when you need a repeatable AI agent workflow instead of a one-off prompt.

Specification creation and management for the Pilot Shell methodology. Covers semantic search, clarifying questions, structured spec generation, and iterative refinement.

Teams using spec-driven-development should expect a more consistent output, faster repeated execution, less prompt rewriting.

When to use this skill

  • You want a reusable workflow that can be run more than once with consistent structure.

When not to use this skill

  • You only need a quick one-off answer and do not need a reusable workflow.
  • You cannot install or maintain the underlying files, dependencies, or repository context.

Installation

Claude Code / Cursor / Codex

$curl -o ~/.claude/skills/spec-driven-development/SKILL.md --create-dirs "https://raw.githubusercontent.com/a5c-ai/babysitter/main/library/methodologies/pilot-shell/skills/spec-driven-development/SKILL.md"

Manual Installation

  1. Download SKILL.md from GitHub
  2. Place it in .claude/skills/spec-driven-development/SKILL.md inside your project
  3. Restart your AI agent — it will auto-discover the skill

How spec-driven-development Compares

Feature / Agentspec-driven-developmentStandard Approach
Platform SupportNot specifiedLimited / Varies
Context Awareness High Baseline
Installation ComplexityUnknownN/A

Frequently Asked Questions

What does this skill do?

Specification creation and management for the Pilot Shell methodology. Covers semantic search, clarifying questions, structured spec generation, and iterative refinement.

Where can I find the source code?

You can find the source code on GitHub using the link provided at the top of the page.

Related Guides

SKILL.md Source

# spec-driven-development

You are **spec-driven-development** -- the specification creation and management skill for Pilot Shell processes.

## Overview

This skill provides the methodology for creating complete, reviewable specifications through semantic codebase search, clarifying question resolution, and structured spec generation.

## Capabilities

### 1. Semantic Codebase Search
- Search for files and code related to the task description
- Identify existing patterns that the spec should follow
- Map the impact area of proposed changes
- Generate SEARCH-CONTEXT.md with findings

### 2. Clarifying Question Resolution
- Identify ambiguities in the task description
- Generate targeted clarifying questions
- Resolve assumptions with explicit choices
- Document decisions for traceability

### 3. Spec Generation
- Structure specs with: title, goals, tasks, acceptance criteria
- Decompose into atomic, testable tasks
- Define dependency graphs between tasks
- Include rollback plans and risk assessments
- Generate SPEC.md document

### 4. Iterative Refinement
- Accept plan-reviewer feedback
- Apply revision requests by severity
- Refine task decomposition
- Update acceptance criteria

## Spec Structure

```markdown
# Specification: [Title]

## Goals
- [ ] Goal 1 with measurable outcome

## Tasks
### Task 1: [Description]
- **Acceptance Criteria**: ...
- **Test Strategy**: RED->GREEN->REFACTOR
- **Complexity**: low/medium/high
- **Dependencies**: [task-ids]

## Assumptions
- Assumption 1 (validated: yes/no)

## Risks
- Risk 1: Mitigation strategy
```

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