# Browserbase / Stagehand

AI agent · Agent frameworks · Acts for a person · operated by browserbase

**Identity:** Signs its requests (Web Bot Auth).

## How to recognise it

- Signed requests: `Signature-Agent` from `browserbase.com`, keys at `https://browserbase.com/.well-known/http-message-signatures-directory`
- User agent contains `Browserbase`
- Leaves page markers while it works: `#__v3_cursor_overlay__`
- Leaves automation traces in the page’s JavaScript globals

## With Double Agent

Sessions from Browserbase / Stagehand are labelled `agent` with `agent_id: browserbase.stagehand`, and tagged in your analytics. Nothing is blocked unless you choose to. Install: https://doubleagent.so/install.md

Source: https://github.com/browserbase/stagehand · Operator docs: https://docs.browserbase.com/platform/identity