# API Reference Find the RubyLLM::Browser classes for tools, policy, results, backends, and Rails jobs. The [generated RDoc reference](/api/) documents classes and public methods from the Ruby source. Start with the task you need to perform: | Task | Public API | | --- | --- | | Build trusted inputs for an operation | `Context`, `Policy`, `Budget` | | Inspect a page or extract structured data | `Inspect`, `Extract`, `Engine` | | Read a bounded result | `Result` | | Use an offline backend | `FakeBackend` | | Adapt the Stagehand Ruby SDK | `StagehandBackend`, `Capabilities`, `Doctor` | | Persist operation or approval state | `OperationStore`, `ApprovalStore` and their implementations | | Run Rails background jobs and cleanup | `RubyLLM::Browser::Rails::OperationJob`, `Reaper` | Start with [Getting Started](/getting-started/) for a runnable offline example. The [API and configuration guide](/api-and-configuration/) explains inputs, results, limits, and errors. The reference is generated from source comments. Build it locally with `docs/bin/build-api.sh tmp/api`.

API Reference

Find the RubyLLM::Browser classes for tools, policy, results, backends, and Rails jobs.

The generated RDoc reference documents classes and public methods from the Ruby source. Start with the task you need to perform:

Task	Public API
Build trusted inputs for an operation	Context, Policy, Budget
Inspect a page or extract structured data	Inspect, Extract, Engine
Read a bounded result	Result
Use an offline backend	FakeBackend
Adapt the Stagehand Ruby SDK	StagehandBackend, Capabilities, Doctor
Persist operation or approval state	OperationStore, ApprovalStore and their implementations
Run Rails background jobs and cleanup	RubyLLM::Browser::Rails::OperationJob, Reaper

Start with Getting Started for a runnable offline example. The API and configuration guide explains inputs, results, limits, and errors.

The reference is generated from source comments. Build it locally with docs/bin/build-api.sh tmp/api.