browser-use-tool changedagents-and-tools/tool-use/browser-use-tool
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1717
1818## Quick start
1919
20The browser use tool is generally available on the Claude API with no beta header: add one entry of type `browser_toolset_20260801`, with no `name`, to the `tools` array of a [Messages API](https://platform.claude.com/docs/en/api/messages/create) request.
20The browser use tool is available on the Claude API with no beta header: add one entry of type `browser_toolset_20260801`, with no `name`, to the `tools` array of a [Messages API](https://platform.claude.com/docs/en/api/messages/create) request.
2121
2222<CodeGroup>
2323 ```bash cURL
from line 976
976976 $failed = false;
977977 foreach ($response->content as $block) {
978978 // This example declares only the browser toolset; route other tools here if you add them.
979 // Read toolset_name through array access: the SDK keeps it as raw data until a release types it.
980 if (!($block instanceof ToolUseBlock) || ($block['toolsetName'] ?? $block['toolset_name'] ?? null) !== 'browser') {
979 if (!($block instanceof ToolUseBlock) || $block->toolsetName !== 'browser') {
981980 continue;
982981 }
983982 $result = ['type' => 'tool_result', 'tool_use_id' => $block->id, 'toolset_name' => 'browser'];
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