browser39

About browser39

browser39 A headless browser for AI agents that fetches modern web pages, runs JavaScript, manages sessions, and returns token-efficient Markdown. Handles modern sites. Executes JavaScript, fills forms, queries the DOM, persists cookies and sessions across runs. LLM-usable output. Compact Markdown with content preselection, so the agent reads the section it needs, not the whole page. Local-only. No data sent to third-party services. Single binary. No Chrome, no Puppeteer. 52MB. macOS, Linux, Windows. Comparison Profiles, red

agent agent-skills agentic-ai claude-code harness openclaw webbrowser

Quick Facts

Stars	65
Forks	8
Language	Rust
Category	Codex Skill
License	Apache-2.0
Quality Score	71.2227618020116/100
Last Updated	2026-05-20
Created	2026-04-03
Platforms	browser, claude-code, rust
Est. Tokens	~129k

Compatible Skills

These tools work well together with browser39 for enhanced workflows:

mcp — semantic(0.21)+complementary+same_lang+similar_pop+shared_platform (57%)
icm — semantic(0.21)+complementary+same_lang+similar_pop+shared_platform (52%)

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Frequently Asked Questions

What is browser39?

browser39 is A headless browser for AI agents that fetches modern web pages, runs JavaScript, manages sessions, and returns token-efficient Markdown.. It is categorized as a Codex Skill with 65 GitHub stars.

What programming language is browser39 written in?

browser39 is primarily written in Rust. It covers topics such as agent, agent-skills, agentic-ai.

How do I install or use browser39?

You can find installation instructions and usage details in the browser39 GitHub repository at github.com/alejandroqh/browser39. The project has 65 stars and 8 forks, indicating an active community.

What license does browser39 use?

browser39 is released under the Apache-2.0 license, making it free to use and modify according to the license terms.

View on GitHub → Browse Codex Skill tools