Stagehand
OverseasFreeWeb automation
Developer-oriented, three-layer primitives, controllable web extraction
Developer:Browserbase 团队
StagehandIntroduction
Stagehand是面向开发者的开源浏览器自动化库，封装act（执行操作）、extract（提取数据）、observe（观察页面变化）三层原语，对网页行为细粒度可控。开发者可接入多模态大模型，完成网页填表、精准网页数据提取、页面状态监控；基于Playwright，适合构建可控、可调试的自研网页Agent，不提供开箱即用网页，需要代码开发能力。自动化执行结果请人工复核，涉及账号登录、验证码等场景建议配置人工介入，采集行为请遵守目标网站服务条款与 robots 协议。
Stagehand的主要功能
Key Product Features
- 1act/extract/observe三层原语细粒度网页控制
- 2网页表单操作，精准可控的网页数据提取
- 3observe监控网页页面状态、元素变化
- 4基于Playwright，兼容各类网页
- 5接入外部多模态大模型驱动决策
- 6开源，开发者二次开发集成
Stagehand的定价方案
Free Tier, Paid Plans, Billing Options, Private Deployment & Enterprise Pricing
- 1开源免费，大模型API单独付费
Stagehand的使用指南
Entry URL, Registration Requirements, Brief Operation Steps, and API / Client Support
Entry Point:stagehand.dev
- 1Entry: https://stagehand.dev
- 2注册：开源库，安装依赖并配置大模型密钥
- 3步骤：在项目中调用act/extract/observe原语
- 4配置选择器与大模型
- 5运行并调试流程
- 6接入自有系统
StagehandParameter Overview
Information compiled from public sources; official information prevails.
- Is data used for training?
- 部署侧数据自主管控
- Underlying model
- 外接多模态大模型 + Playwright内核
- Context length
- 开发者侧任务脚本
- Multi-modal support
- Text, Webpage Screenshot
- Search Online
- Navigate to target webpage
- File Parsing
- txt、json
- Enterprise Edition and Deployment
- No public information available
- Compliance Certification
- No public information available
- Domestic Availability
- No public information available
Field Description:Will my input be used for model training, and can I turn this off?
Field Description:Primary models supported by the product, or the range of switchable models
Field Description:The maximum context size per conversation determines the length of documents it can read.
Field Description:Supported input and output formats, including text, images, audio, video, and files
Field Description:Supports real-time web search and provides source links?
Field Description:Supports uploading files and parsing capabilities, such as PDFs, spreadsheets, and code.
Field Description:Does it offer an enterprise edition, on-premises deployment, and team permission management?
Field Description:Publicly disclosed security compliance certifications and generative AI service filing status
Field Description:Convenience of access and supported payment methods in mainland China