What are the best AI Builder tools?

In editorial order, our top Builder picks are OpenRouter, Cursor and Smithery. Each of the 8 tools in this category has a short verdict on when to use it and when to skip it. Featured listings are paid, labeled Sponsored and never change a verdict.

Are there free Builder tools?

Yes. Cursor and Smithery list a free tier.

Are there open source Builder tools?

Yes. Playwright, VS Code, Browser Use and Crawlee are open source.

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Job 26 of 27

Builder tools

Build your own GTM tooling.

The best AI Builder tools for GTM teams, in our editorial order, are OpenRouter, Cursor and Smithery, out of 8 we have reviewed. Builder tools help you build your own GTM tooling. Editors, model APIs, browser automation and scrapers for teams that build their own GTM engine.

Best AI Builder tools compares the tools in this category. Job, pricing model and verdict come from each listing.

Tools: 8
Paid spots: 0/3

8 tools, in editorial order

OpenRouter

#01openrouter.ai

One API for many AI models with unified billing.

Pay per token

Full verdict Visit site

Verdict

Lets me swap models without rewriting anything. Good for keeping costs down.

Cursor

#02cursor.com

AI coding agent and editor.

Free tier; Plus from $8/mo, Premium $30/mo, Super $100/mo, Ultra $200/moFree to start

Full verdict Visit site

Verdict

My main tool for building sites and GTM scripts.

Smithery

#03smithery.ai

Registry for connecting agents to MCP servers.

Free tier; $10/mo pay as you goFree to start

Full verdict Visit site

Verdict

Where I find MCP servers for my agents.

Playwright

Open source

#04playwright.dev

Browser automation and end-to-end testing framework.

Free, open source

Full verdict Visit site

Verdict

What I use when a browser task needs to be scripted.

VS Code

Open source

#05code.visualstudio.com

Open-source code editor.

Free

Full verdict Visit site

Verdict

The editor under most of my tools.

Browser Use

Open source

#06browser-use.com

Python library that lets AI agents drive a real browser to complete web tasks.

Free open source; cloud plans available

Full verdict Visit site

Verdict

The fastest way I know to give an agent hands on a website. Start with one boring task you do every week.

Crawlee

Open source

#07crawlee.dev

Apify open source library for building reliable scrapers and crawlers in Node or Python.

Free, open source

Full verdict Visit site

Verdict

When the Apify store does not have the scraper, build it with this.

Claude Code

#08claude.com

Anthropic's agentic coding tool that plans, writes, tests and ships code from your terminal, IDE or web.

Included with Claude Pro ($20/mo) and up; or API pay-as-you-go

Full verdict Visit site

Verdict

How I build most GTM scripts and internal tools now. Give it a clear spec and review every diff.

3 of 3 labeled paid spots open in Builder tools. Advertise

Builder tools FAQ

What are the best AI Builder tools?: In editorial order, our top Builder picks are OpenRouter, Cursor and Smithery. Each of the 8 tools in this category has a short verdict on when to use it and when to skip it. Featured listings are paid, labeled Sponsored and never change a verdict.
What does a Builder tool do?: Builder tools help GTM teams build their own GTM tooling. Editors, model APIs, browser automation and scrapers for teams that build their own GTM engine.
Are there free Builder tools?: Yes. Cursor and Smithery list a free tier.
Are there open source Builder tools?: Yes. Playwright, VS Code, Browser Use and Crawlee are open source.

Builder tools

8 tools, in editorial order

Builder tools FAQ

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