core
Core agent-browser usage guide. Read this before running any agent-browser commands. Covers the snapshot-and-ref workflow, navigating pages, interacting with elements (click, fill, type, select), extracting text and data, taking screenshots, managing tabs, handling forms and auth, waiting for conten…
Install / Use
npx skills add vercel-labs/agent-browser --skill coreInstalls into whichever agent you are using.
SKILL.md
Installable skill definition
Quality Score
Category
AutomationSupported Platforms
Tags
Our assessment of core
core scores 90/100 on our quality scale, 255th of 1,111 Automation skills we index (top 23%).
We have not analysed the SKILL.md file itself yet, so the content part of this score is an estimate until our crawler reaches it.
With 43,145 GitHub stars, it is one of the more widely adopted skills in the catalogue.
Maintenance, license and trust
- The repository was last updated yesterday, so core is actively maintained.
- It is released under the Apache-2.0 license, a permissive license that allows use, modification and commercial use with attribution.
- Its trust signals score 100/100, with no cautions. These come from repository metadata, not a code audit — read the skill file before letting an agent act on it.
core compared with similar skills
All 4 of these similar skills score higher than core; compare them before choosing.
| Skill | Score | Stars | Updated | Format |
|---|---|---|---|---|
| core (this skill)by vercel-labs | 90 | 43.1k | 1d ago | SKILL.md |
| Agent-Reachby Panniantong | 100 | 85.4k | 9d ago | CLAUDE.md |
| rufloby ruvnet | 100 | 73.2k | today | CLAUDE.md |
| Scraplingby D4Vinci | 100 | 83.5k | today | MCP Server |
| algorithmic-artby anthropics | 100 | 177.9k | 2d ago | SKILL.md |
Frequently asked questions
- How do I install core?
- Run
npx skills add vercel-labs/agent-browser --skill core. The install tabs above show the steps for each supported agent. - Which AI agents does core work with?
- It is written for Universal, as a SKILL.md file. Other agents that read the same format can often use it too.
- Is core safe to use?
- It is Apache-2.0-licensed and scores 100/100 on trust signals. Skills are instructions an agent will follow, so read the file before installing it and do not approve commands you do not understand.
- Is core still maintained?
- The repository was last updated yesterday, so core is actively maintained.
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Languages
Trust signals
From repository metadata: license, adoption, age and documentation. Not a code audit — see the Safety scan above for what the skill file itself contains.