I gave Claude Code a browser with my real logins. Here’s what I had to get right

说明与用途

创建自定义浏览器 Kinaya，使 Claude Code 代理能够使用真实登录凭据，采用后台标签、用户批准的操作和本地加密密码存储。

问题

Agents built on Playwright start with a fresh profile, leaving them logged out of user accounts; using the main Chrome browser was insecure.

结果

Agents can now perform authenticated browsing tasks daily without manual login, with user‑approved actions and secure password handling.

工作流

• Add Kinaya MCP to Claude Code with a single command
• Launch Kinaya automatically if not running
• Open a dedicated background tab per MCP session
• Use tab_id to target specific tabs
• Allow read actions freely while requiring approval for clicks, typing, navigation, form fills, uploads, and sign‑ins
• Store passwords in an encrypted local vault (XChaCha20‑Poly1305) and never expose them to the model
• Handle CAPTCHAs and phone codes via ask_user tool
• Configure dialogs to auto‑answer and report back to the agent
• Batch multiple actions to reduce round trips

证据

Tools built on Playwright start a fresh profile, so the agent is logged out of everything.

来源

Adding it to Claude Code is one line: claude mcp add kinaya -- /Applications/Kinaya.app/Contents/MacOS/kinaya —mcp

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The tab I'm looking at never moves. Every tool also takes an optional tab_id, so one agent running several tabs is still explicit.

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The agent never sees a password. sign_in fills a login saved in the browser's password vault, and create_login generates and saves a strong password for a sign-up.

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A browser alert or confirm can freeze an automated session. In Kinaya, dialogs raised while the agent acts are answered and reported back to the agent instead of blocking.

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