***

title: Browser Capabilities
description: Curated browser runtime capabilities for the BCTRL SDK and execute API.
------------------------------------------------------------------------------------

This reference documents the browser runtime capability surface that sits on top of `workspace.execute(...)` and the runtime-aware SDK clients.

Use these pages alongside the API reference:

* API reference explains resource endpoints such as workspaces, runtimes, operations, artifacts, and browser profiles.
* Capability reference explains what browser methods and agent calls actually do.

## Categories

* [Navigation](./navigation) - Page and context movement, loading, and page creation. (5 capabilities)
* [Interaction](./interaction) - Element targeting, typing, clicking, and readiness checks. (8 capabilities)
* [Extraction](./extraction) - Content retrieval, screenshots, evaluation, and read-side data access. (7 capabilities)
* [Events](./events) - Runtime-backed event listeners and event waiting patterns. (8 capabilities)
* [Agents](./agents) - Natural-language and long-running browser agent capabilities. (6 capabilities)
* [Lifecycle](./lifecycle) - Runtime-level live, recording, and stop operations. (4 capabilities)