/harness
A Claude Code plugin built for Fable 5. It runs your agent against your project, watches it break, and writes a CLAUDE. md from the actual failures.
It catches wrong paths, missing scripts, and bad assumptions so your agent never hits the same wall twice ↓
We gave AI agents their own computer.
Sub-50ms startup. Memory snapshots. Full terminal access. Filesystem API. Persistent volumes. All in one sandbox.
Hyperbrowser Sandboxes ↓
xAI open-sourced the algorithm that scores every tweet on X.
19 engagement signals. Replies 13.5x. Reposts 20x. Bookmarks 10x.
We built PhoenixScore. Paste a tweet. It runs through the algorithm and shows you exactly how it scores.
Open source. Powered by Hyperbrowser.
We built a CLI that puts the entire Hyperbrowser platform in your terminal.
Spin up sandboxes. Launch stealth browsers. Fetch, search, and crawl the web. Snapshot and restore. All from two letters. ↓
Extract any website's design system in one line.
Colors, fonts, spacing, components. Formatted as a DESIGN .md your AI agents can use instantly.
Built on our Fetch API. Fast, accurate, and structured.
Powered by Hyperbrowser ↓
Sandboxes powered by the same infra that runs millions of browsers.
→ Start in under 200ms.
→ Build from any Dockerfile.
→ Expose ports.
→ Connect via CLI.
→ Fork, Snapshot and restore.
Hyperbrowser Sandboxes ↓
Your AI agents can now train other AI coding agents.
Meet HyperLearn.
Give it a topic. Watch a browser agent read live docs and build a skill tree in real time. Your coding agent gets smarter while you watch.
Open source. Powered by Hyperbrowser.
Your AI agents can now learn entire skill trees from the web.
Meet the new HyperSkill
Give it a topic. It reads the docs and builds a skill tree your agent can navigate.Browse the graph. Download. Drop into your project.
Open source. Powered by Hyperbrowser.
Introducing HyperPlex.
Research agent that works while you're away.
Give it a goal. Schedule it. Let it run with multiple models.
Spawns browser agents in parallel. Reads live pages. Delivers a cited report. Check back when you're ready.
Open source. Powered by Hyperbrowser.
We're building HyperPlex.
An open-source research agent that does the work you don't want to do.
Give it a goal. It spawns agents, browses, reads, extracts, and returns a cited answer. Schedule it on a cron. Let it run while you sleep.
Powered by Hyperbrowser.
Your AI agents can now learn multiple skills at once.
/learn batch
One command. All skills. Parallel.
Watch Claude Code learn your entire stack at once.
Powered by Hyperbrowser, Setup Guide ↓
One SKILL. md file can't hold deep knowledge for AI agents.
We built HyperGraph, a structured skill tree for AI agents.
Not a single file to read, a SkillGraph, linked, composable skill nodes so agents follow what matters and skip the rest.
Powered by Hyperbrowser SDK ↓
Sonnet 4.6 is incredibly capable at handling complex browser tasks.
It's now powering HyperAgent with complete browser control.
The results are impressive ↓
We're building HyperPages.
Research page builder that transforms topics into articles with sources, images, and interactive editing.
Browses the web, pulls sources, writes sections and formats everything.
Launching soon, Open-source & Powered by hyperbrowser.ai
It’s insane how fast Gemini 3 Flash runs with HyperAgent ⚡️
In our tests, it’s ~2× faster than Claude 4.5 Sonnet for browser automation workflows.
Browser-based AI agents with faster execution powered by HyperAgent.
1.3M Followers 2 FollowingWe're an AI safety and research company that builds reliable, interpretable, and steerable AI systems. Talk to our AI assistant @claudeai on https://t.co/FhDI3KQh0n.
257K Followers 10 FollowingWe’ll help you make it like nobody’s business. Multimodal media generation and editing tools to get your idea to production. Self-deploy? 👍 Need a partner? 🤝