Vertex Macro｜Amarathon 2025 Recap 35：From Vibe to Viable with spec driven development

AI is changing software

● 2023: Helping developers write code faster

● 2024: Generating larger pieces of code and answering questions

● 2025: Completing development tasks end-to-end with human in the loop

Challenges with AI development

● Scaling AI development: AI coding tools excel at small tasks but can fail with complex projects

● Limited control: Existing tools make it difficult to collaborate with and manage agents

● Code quality: Getting a project from proof-of-concept to production while maintaining quality control becomes increasingly difficult

The Vibe

● Rapid, conversational code generation (CHOP)

● Iterative, back and forth

● Ephemeral

● Point in time prompts

● Transient context

The path to spec driven development

Good practices

● Break down large problems: Developers learned how to manually break down large problems into smaller units and build incrementally

● Specificity and Clarity: Precision and clarity are key in directing AI coding assistants to generate good outputs

● Context and Prompt engineering: Providing the right context is key to producing consistency and control

Taskmaster

● A task management system for AI-driven development with Clauide, designed to work seamlessly with Cursor AI

[ 1 ] Documentation:

● Configuration Guide: Set up environment variables and customize Task Master

● Tutorial: Step-by-step guide to getting started with Task Master

● Command Reference: Complete list of all available commands

● Task Structure: Understanding the task format and features

● Example Interactions: Common Cursor AI interaction examples

● Migration Guide: Guide to migrating to the new project structure

[ 2 ] Quick Install for Cursor 1.0+ (One-Click):

● Click the copy button (top-right of code block) then paste into your browser: cursor://anysphere.cursor-deeplink/mc/install?name=taskmaster-aiconfig-eyJjIjI1biWSkI1joibnB4I

● Note: After clicking the link, you'll still need to add your API keys to the configuration. The link installs the MCP server with placeholder keys that you'll need to replace with your actual API keys

[ 3 ] Requirements:

● Taskmaster utilizes AI across several commands, and those require a separate API key. You can use a variety of models from different AI providers provided you add your API keys. For example if you want to use Clauide 3.7

The Calm Coding Philosophy

● Code not with stress, but with structure.

● Prompt not with noise, but with intent.

● Build not just fast — but with flow.

Chat is a bad UI pattern for development tools

● Code forces humans to be precise. That's good—computers need precision. But it also forces humans to think like machines.

● For decades we tried to fix this by making programming more human-friendly. Higher-level languages. Visual interfaces. Each step helped, but we were still translating human thoughts into computer instructions.

● AI was supposed to change everything. Finally, plain English could be a programming language—one everyone already knows. No syntax. No rules. Just say what you want.

● The first wave of AI coding tools squandered this opportunity. They make flashy demos but produce garbage software. People call them “great for prototyping,” which means “don’t use this for anything real.”

● Many blame the AI models, saying we just need them to get smarter. This is wrong. Yes, better AI will make better guesses about what you mean. But when you’re building serious software, you need a better approach.

A written specification aligns humans

● The use of EARS notation helps provide precise and structured instructions to the underlying LLMs

What is spec driven development?

● Spec Driven Development: Clarity before code, iterative refinement, code via persistent docs

● Invest time to understand what you are trying to build

● Iterate and capture evolution of what you are trying to build

● From ephemeral chat to persistent documents that can be shared with your stakeholders

Spec Driven Development

● Define the vision: Create clear requirements and design specifications.

● Make architectural decisions: Choose technologies, patterns, and approaches upfront.

● Implement with context: Use AI to generate code that fulfills your documented specifications.

The Vibe

● Prompts to chase implementations

● Rapid, conversational AI code generation (CHOP)

● Iterative, back and forth

● Ephemeral

● Point in time

Spec driven

● Focus on upfront planning and intent

● Break down requests into discrete tasks

● Steering documents ground agentic

The AI IDE for prototype to production

● Kiro helps you do your best work by bringing structure to AI coding with spec-driven development.