tools

About tools

tools.simonwillison.net Miscellaneous HTML+JavaScript tools built mostly with the help of LLMs. See also /python/ for tools written using Python. This collection is an experiment in prompt-driven development with very low stakes. The colophon lists commit messages and transcripts for every tool. The code lives in simonw/tools and many tools used the Claude custom instructions described here.

Quick Facts

Stars	1,770
Forks	179
Language	HTML
Category	Agent Tool
License	Apache-2.0
Quality Score	44.1120768268302/100
Open Issues	45
Last Updated	2026-07-07
Created	2024-03-29
Est. Tokens	~15k

More Agent Tool Tools

Explore other popular agent tool tools:

superpowers ⭐ 249.6k
AutoGPT ⭐ 185.4k
ollama ⭐ 175.7k
skills ⭐ 160.9k
langflow ⭐ 151.4k
langchain ⭐ 141.3k
gstack ⭐ 120.5k
browser-use ⭐ 103.4k
autoresearch ⭐ 90.4k
deer-flow ⭐ 76.5k

View all Agent Tool tools →

Popular HTML Agent Tools

claude-code-best-practice ⭐ 62.3k · Agent Tool
huashu-design ⭐ 21.1k · Claude Skill
guizang-ppt-skill ⭐ 20.6k · Codex Skill
Kami ⭐ 9.7k · AI Tool
claude-code-tips ⭐ 9.0k · Agent Tool

Frequently Asked Questions

What is tools?

tools is Assorted useful tools, almost entirely generated using LLMs. It is categorized as a Agent Tool with 1.8k GitHub stars.

What programming language is tools written in?

tools is primarily written in HTML.

How do I install or use tools?

You can find installation instructions and usage details in the tools GitHub repository at github.com/simonw/tools. The project has 1.8k stars and 179 forks, indicating an active community.

What license does tools use?

tools is released under the Apache-2.0 license, making it free to use and modify according to the license terms.

View on GitHub → Browse Agent Tool tools