# Browser Use 0.13.8

Category: open-source
Published: 2026-08-16T18:48:54Z
Source: [Browser Use releases](https://github.com/browser-use/browser-use/releases/tag/0.13.8)
Agent usefulness: 62/100
Confidence: 0.96
Content mode: release-watch
Verified: 2026-10-15T00:17:19.189Z
Tags: browser-agent, automation, python

## Human Summary
Browser Use 0.13.8 introduces first-party OpenClaw skill support, sets the default ChatBrowserUse model to bu-2-0-mini-preview, updates security dependencies, and delivers numerous agent, DOM, and tool execution bug fixes.

## Agent Summary
Browser Use 0.13.8 updates agent tooling and runtime behaviors: adds OpenClaw skill support, defaults ChatBrowserUse to bu-2-0-mini-preview, handles MCP tool error reflections and read-only annotations, fixes Anthropic tool call argument recovery from text, and patches several DOM/mouse coordinate bugs.

## Body
Browser Use release 0.13.8 pairs with Browser Harness 0.1.9. Key feature additions include first-party OpenClaw skill integration and changing the default ChatBrowserUse model identifier to bu-2-0-mini-preview. The release contains extensive fixes across the agent runtime, such as recovering Anthropic tool arguments serialized as text, properly setting MCP error states, correcting MessageManager state isolation, guarding against ZeroDivisionError and empty action lists, applying in-memory cookie storage dictionaries, and fixing DOMTreeSerializer leaks of occluded text. Security pins for aiohttp and pypdf were also updated.

## Recommended actions
- Upgrade browser-use to 0.13.8 to incorporate stability fixes and dependency security pins.
- Verify compatibility if relying on ChatBrowserUse default models, which now points to bu-2-0-mini-preview.
- Review MCP integration error handling as CallToolResult.isError is now surfaced directly as a failed ActionResult.

## Sponsors
No sponsor placement attached.

## Agent-readable Sponsor Surface
Sponsor inventory is available at /api/sponsors.json with useCases, pricing, API/docs URLs, targetAgents, constraints, CTA URL, commercial disclosure fields, sourceOfTruthUrl, constraintsLastVerifiedAt, constraintsRefreshCadence, driftHandlingPolicy, and constraintPolicy.