The Big Picture: The AI development stack has settled around a small set of agentic IDEs and planning tools. Most of the boilerplate work that used to eat afternoons is now a tab-complete away.

Why It Matters

Teams still hand-writing boilerplate are spending engineering hours on work a model does in seconds. An agentic-first stack moves that time to the parts that need a human: system architecture and user experience.

The Details

  • Cursor (IDE): The benchmark for AI-first editors right now. Claude and O1 sit directly in the edit loop for tab-completion and inline refactoring.
  • Claude (Anthropic): My default pair programmer for architectural reviews, long-context refactoring, and checking my logic before I commit to a design.
  • GitHub Copilot: The industry-standard autocomplete. Best used to kill boilerplate in whatever editor you already live in.

Go Deeper

The Core Stack

The tools worth keeping are the ones that don’t interrupt you. By 2026 the stack has settled around three:

  • Cursor: The AI-first IDE to beat. With Claude 3.5 and O1 built into the editor, tab-completion, refactoring, and natural-language edits feel like part of the editor rather than a plugin bolted on.
  • GitHub Copilot: Context-aware completion that works in VSCode, JetBrains, and Vim. Its job is narrow — reduce boilerplate — and it does that job well.
  • Claude (Anthropic): Where I go for the conversations Copilot can’t have: architecture trade-offs, complex refactors, design reviews. The long context window means it can hold an entire subsystem in its head while you argue with it.

Specialist Tools

Past the editor, a few tools handle specific domains better than the generalists:

  • v0 (Vercel): Generative UI for React. Text description or sketch in, working accessible component out.
  • Vercel AI SDK: The standard framework for building AI features into applications — one API for streaming across multiple models.
  • Eraser: Turns a system design prompt into an architecture diagram you’d actually put in a doc.
  • Codeium: A privacy-focused Copilot alternative with a genuinely usable free tier. Good default for individual developers.

A Working Setup

If I were configuring a machine from scratch today:

  1. Editor: Cursor, for the deep AI integration.
  2. Architecture partner: Claude, for design and logic review.
  3. Frontend: v0, for fast UI iteration.

Final Guidance

These tools are multipliers, not replacements. Treat suggestions as good starting points and still review everything for security and architectural intent. Let the AI handle syntax; your job is the system’s “vibe” — the logic, the user experience, and whether anyone can maintain it in two years.