🎯

api-contract-design

🎯Skill

from rsmdt/the-startup

What it does

Designs and validates API contracts by generating comprehensive specifications, ensuring clear interface definitions, request/response schemas, and adherence to best practices before implementation.

api-contract-design

Installation

Install skill:

npx skills add https://github.com/rsmdt/the-startup --skill api-contract-design

Last UpdatedJan 10, 2026

View on GitHub Back to Skills

Skill Details

SKILL.md

Overview

Ship faster. Ship better. Ship with The Agentic Startup.

---

[🤖 What is The Agentic Startup?](#-what-is-the-agentic-startup)
[🚀 Quick Start](#-quick-start)
[📖 The Complete Workflow](#-the-complete-workflow)
[🎯 Which Command Should I Use?](#-which-command-should-i-use)
[📦 Plugins](#-plugins)
[🎨 Output Styles](#-output-styles)
[📊 Statusline](#-statusline)
[🎯 Philosophy](#-philosophy)
[📚 Documentation](#-documentation)

---

🤖 What is The Agentic Startup?

The Agentic Startup is a spec-driven development framework for Claude Code. Create comprehensive specifications before coding, then execute with parallel specialist agents—Y Combinator energy meets engineering discipline.

Key Features:

Native Claude Code Integration — Marketplace plugins with zero configuration
Spec-Driven Development — PRD → SDD → Implementation Plan → Code
Parallel Agent Execution — Multiple specialists work simultaneously
Quality Gates — Built-in validation at every stage

Installation

Requirements: Claude Code v2.0+ with marketplace support

```bash

curl -fsSL https://raw.githubusercontent.com/rsmdt/the-startup/main/install.sh | sh

```

This installs the core plugins, configures the default output style, and sets up the [statusline](#-statusline) with a customizable config file.

Manual Installation

```bash

# Add The Agentic Startup marketplace

/plugin marketplace add rsmdt/the-startup

# Install the Start plugin (core workflows)

/plugin install start@the-startup

# (Optional) Install the Team plugin (specialized agents)

/plugin install team@the-startup

```

After installation:

```bash

# (Optional) Create project governance rules

/start:constitution # Auto-enforced during specify, implement, review

# Switch output styles anytime

/output-style start:The Startup # High-energy, fast execution (default)

/output-style start:The ScaleUp # Calm confidence, educational

```

---

🚀 Quick Start

Create a specification and implement it:

```bash

# Create a specification

/start:specify Add user authentication with OAuth support

# Execute the implementation

/start:implement 001

```

That's it! You're now using spec-driven development.

---

📖 The Complete Workflow

The Agentic Startup follows spec-driven development: comprehensive specifications before code, ensuring clarity and reducing rework.

All Commands at a Glance

```

┌──────────────────────────────────────────────────────────┐

│ SETUP (optional) │

│ │

│ /start:constitution ► Create project governance rules │

│ (auto-enforced in BUILD workflow) │

└──────────────────────────────────────────────────────────┘

│

▼

┌──────────────────────────────────────────────────────────┐

│ BUILD (primary flow) │

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