Browser Use vs Skyvern Self‑Hosted: Setup, Trade‑offs, and Completion Verification

说明与用途

对 Browser Use 和 Skyvern 的评估表明，单靠代理报告完成状态不足以保证任务完成，需要独立的文件验证。Browser Use 是轻量级组件，Skyvern 是完整的全栈平台。

问题

Determine whether Browser Use or Skyvern can reliably complete a recurring login‑to‑download workflow without creating a permanent human repair queue.

结果

Both tools can execute the workflow, but verification requires independent artifact checks; Browser Use offers a lightweight embeddable component, while Skyvern provides a broader platform at higher engineering cost.

工作流

• Install Browser Use via uv and pip, ensuring Chromium is provisioned explicitly.
• Write a minimal Agent script that logs in, fills a three‑stage form, submits, downloads a receipt, and returns its filename and ID.
• Install Skyvern via git clone, copy .env.example, and run docker compose up, ensuring the server‑capable package is used.
• Define a Pydantic 2.10.6 model for DownloadReceipt and implement verify_artifact to check file size and SHA‑256 digest against expected values.
• Run both systems against the same demo application and compare verified completion rates, wall‑clock time, model requests, retries, and human interventions.
• Document that structured output alone can falsely mark a workflow complete.

证据

We did not bring Browser Use and Skyvern into our lab to see whether an agent could click a button in a polished demo. We wanted to answer a more expensive question: can either system complete a recurring login-to-download workflow without creating a permanent human repair queue?

来源

Agent‑reported done is not verified completion

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A strict schema receipt still passed for a missing and a corrupted file, so a workflow should count as complete only when page state, business identifier, and artifact size and digest are checked independently of the agent's own success claim.

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For Browser Use, we use Python 3.11 or newer and take uv add browser‑use as the documented setup path.

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For Skyvern, we used the full‑stack deployment boundary rather than mistaking the lightweight Python package for the server.

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