<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Add support for `file://` URLs in start URL extraction and reduce false
positives. Keeps local file paths intact and avoids forcing `https://`.
- **Bug Fixes**
- Add `file://` to URL regex and scheme detection; keep `file://` as-is
and skip extension filtering for them.
- De-duplicate overlapping matches by tracking matched spans across
patterns.
- Safer heuristics: only prepend `https://` when no scheme is present,
and only exclude `.htm` when the match is domain-like; still respects
nearby “never/don’t” context.
<sup>Written for commit 581ab0d901.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5276?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
The flash system prompts (`system_prompt_flash.md`,
`system_prompt_anthropic_flash.md`, `system_prompt_flash_anthropic.md`)
instruct the model to use `replace_file_str`, but the registered tool is
`replace_file` (`tools/service.py:1776`). Models cope by inferring the
right name (0 wrong-name calls observed in 42k eval steps), so impact is
hygiene — but the prompt should name the tool that exists. The two
remaining `replace_file_str` occurrences are the internal `FileSystem`
method, which is not model-facing and unchanged.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Updated flash system prompts to reference the correct tool
`replace_file` instead of `replace_file_str`. Aligns instructions with
the registered tool to avoid confusion when updating files.
<sup>Written for commit daf7a3e112.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5272?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
Gemini 3+ models may throw errors if a default value is set for
parameters like temperature, top-p, etc.
The 3-series models use 1.0 as the default temperature, so this should
be a backwards-compatible change.
<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Skip setting a default temperature in the Gemini 3-series generation
config to avoid API errors. Keep explicit values, and default to 0.5
only for non–Gemini 3 models.
- **Bug Fixes**
- In `ChatGoogle`, only set `temperature` if provided or if the model is
not `gemini-3*` (then use 0.5).
- Added tests to confirm: non–Gemini 3 defaults to 0.5, `gemini-3*`
leaves `temperature` unset, explicit values are preserved.
<sup>Written for commit a567c6dacf.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5173?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
## Summary
- bump `browser-use` from `0.13.5` to `0.13.6`
- pin `browser-harness==0.1.6`
- sync both Browser Use skill copies from Browser Harness `main`, adding
the recordings and video workflow
## Validation
- `uv run --frozen pre-commit run --files pyproject.toml
skills/browser-use/SKILL.md browser_use/skills/browser-use/SKILL.md`
- `uv run --frozen python scripts/sync_browser_harness_skill.py --check`
- built the wheel and verified its metadata requires
`browser-harness==0.1.6`
- verified the packaged skill contains the recordings/video instructions
<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Release `browser-use` 0.13.6 and pin `browser-harness` 0.1.6. Adds
recordings and video workflow guidance to the Browser Use skill so users
can opt into local traces and create videos.
- **Dependencies**
- Bump `browser-use` to `0.13.6`.
- Pin `browser-harness` to `0.1.6`.
- **New Features**
- Synced both Browser Use skill docs from `browser-harness` `main`.
- Added recordings/video workflow: CLI enable/disable, `BH_RECORD`
override, `start_recording`/`stop_recording`, and safe use of
`recordings --latest`.
- Included `make-video.md` in Interaction Skills.
<sup>Written for commit 169ebee82e.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5245?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
## Summary
Adds `bu-qa-1` to the accepted `bu-*` alias list in `ChatBrowserUse`.
The gateway already serves this model (browser-use/cloud#4945 — website
QA agent that tests a site and scores functionality/aesthetics 0-2), but
the client rejected it at construction:
```
ValueError: Invalid model: 'bu-qa-1'. Use a 'bu-*' alias (bu-latest, bu-1-0, bu-2-0) ...
```
Changes:
- `bu_aliases` list: add `'bu-qa-1'`
- docstring: document the alias
- test: extend the existing alias parametrize with `bu-qa-1`
## Usage
```python
agent = Agent(
task='https://example-site.com\nSpec: landing page with working signup form',
llm=ChatBrowserUse(model='bu-qa-1'),
output_model_schema=WebsiteQAResult, # recommended: reasoning + functionality/aesthetics ints, see cloud#4945
)
```
## Testing
- `tests/ci/models/test_llm_browseruse.py`: 20 passed, 1 skipped
- Verified end-to-end against the staging gateway: agent tested
quotes.toscrape.com and returned a validated result (functionality=2,
aesthetics=1)
- Note: `bin/lint.sh` pyright failures (`browser_harness` imports in
cli.py) are pre-existing on main and unrelated
<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Enables the `bu-qa-1` Website QA model in `ChatBrowserUse`, removing
construction-time “Invalid model” errors when using this gateway-served
alias.
- **New Features**
- Add `bu-qa-1` to accepted `bu-*` aliases.
- Document the alias in `ChatBrowserUse` docstring.
- Update tests to include `bu-qa-1`.
<sup>Written for commit 4b1cc6375a.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5226?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Adds a stdio MCP server for CLI 3.0 behind `--cli-mcp`, exposing
persistent `browser_harness` execution and screenshots to MCP clients.
Uses a shared, silent stdio runner and validates `max_dim` inputs.
- **New Features**
- New `--cli-mcp` flag starts `browser_use.mcp.cli_mcp` via a shared
stdio runner (`mcp.server.stdio`).
- Tools:
- `browser_exec`: run Python in a persistent namespace with helpers
pre-imported.
- `browser_screenshot`: returns base64 PNG; supports `full`; `max_dim`
must be a positive integer.
- Automatically calls `ensure_daemon` (except for remote admin calls).
Disables logging to keep stdio clean.
- **Migration**
- Run: `browser-use --cli-mcp`. Sets `BH_CLIENT=browser-use-mcp` by
default.
- Connect your MCP client over stdio. Prefer `browser_screenshot` over
in-code captures.
<sup>Written for commit 133761dbbd.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5194?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
Ship browser-harness 0.1.5 (Windows reliability, robust telemetry,
cloud-browser suggestion) with the upcoming browser-use 0.13.4 release.
<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Pin `browser-harness` to 0.1.5 to ship Windows reliability fixes, more
robust telemetry, and cloud-browser suggestion support alongside
`browser-use` 0.13.4.
- **Dependencies**
- Bump `browser-harness` from 0.1.4 to 0.1.5 in `pyproject.toml`.
<sup>Written for commit e3616da919.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5190?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Restructures the README into a simpler Quickstart for agent setup and a
clear Python library path to speed up onboarding. Moves demos into a
“What can Browser Use do?” section and adds an FAQ on when to use CLI vs
library; updates benchmarks.
- **Refactors**
- Consolidates intros into two paths: Quickstart (CLI skill) and Python
library.
- Quickstart: paste-in prompt uses Python 3.12, says run `browser-use
skill install`, and links to the `browser-harness` install guide;
removes the old CLI section and code example.
- Python library: Python >= 3.11, clarify `.env` API key setup, remove
`BrowserProfile` import, and show `uv add `browser-use``.
- Move demos to the new “What can Browser Use do?” section at the top.
- Add Odysseys leaderboard note to the benchmarks and include a Citation
section.
- Tests: update CI to look for “run `browser-use skill install` to
register the skill”.
<sup>Written for commit 50bf4b222c.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5176?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
Gemini 3+ models may throw errors if a default value is set for
parameters like temperature, top-p, etc.
The 3-series models use 1.0 as the default temperature, so this
should be a backwards-compatible change.
<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Show a clear hint when `browser-use` runs piped code that references an
unknown helper, and unify the CLI 3.0 guidance across errors and
migration hints. Tighten detection so only `NameError`s raised by user
code are wrapped.
- **New Features**
- On `NameError` from exec’d stdin, print the traceback, then a friendly
message to stderr (example, core helpers, install steps, docs link,
`browser-use --doctor`) and exit with code 2. Shared `_CLI3_GUIDE` is
used in both the unknown-helper hint and legacy migration message.
- **Bug Fixes**
- Only treat `NameError` from the final frame of piped code (`<string>`)
as an unknown helper; internal/helper `NameError`s propagate.
<sup>Written for commit 36a8525c13.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5171?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
The `browser-use skill sync` check compares the committed SKILL.md
copies against browser-harness main, which recently gained the
cloud-browser-suggestion section. The committed copies were stale, so
the check fails on every PR (it also failed on #5169, unrelated to that
PR's changes).
This re-runs `scripts/sync_browser_harness_skill.py` to bring both
copies current. `--check` passes locally.
<!-- This is an auto-generated description by cubic. -->
---
## Summary by cubic
Syncs the `browser-use` SKILL.md copies with browser-harness main by
adding the cloud-browser guidance section, fixing the `browser-use skill
sync` check that was failing on every PR. Re-ran
`scripts/sync_browser_harness_skill.py`; `--check` passes locally.
<sup>Written for commit 9fb49e03ee.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5170?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Adds a quickstart and better stdin handling to the `browser-use` CLI
when run without args, guiding new users and preventing empty runs.
- **New Features**
- Show a quickstart message and exit 0 when `browser-use` is invoked
with no args in a TTY.
- Run piped Python from stdin; if stdin is empty, print a hint with
usage and exit 1.
<sup>Written for commit 755083ebe5.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5169?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
<!-- This is an auto-generated description by cubic. -->
## Summary by cubic
Removed in-repo telemetry and delegated CLI event reporting to
`browser_harness` for unified, simpler telemetry. No user-facing
behavior changes; events report via Harness when available.
- **Refactors**
- Removed PostHog sender and `CLITelemetryEvent`; cleaned up exports and
dead code in `telemetry/*`.
- Added `_capture_via_harness` that calls
`browser_harness.telemetry.capture_cli_event` if present, and
`_set_harness_client_env` to set `BH_CLIENT`/`BH_CLIENT_VERSION`.
- Added `_delegated_to_harness` to prevent double-reporting; only
capture when not delegated.
- Simplified CLI telemetry context by dropping agent/model detection,
task parsing, and mode tracking; kept only command name.
- **Migration**
- If you imported `browser_use.telemetry.CLITelemetryEvent` or
`capture_detached`, switch to
`browser_harness.telemetry.capture_cli_event`.
<sup>Written for commit d1af39626e.
Summary will update on new commits.</sup>
<a
href="https://cubic.dev/pr/browser-use/browser-use/pull/5165?utm_source=github"
target="_blank" rel="noopener noreferrer"
data-no-image-dialog="true"><picture><source
media="(prefers-color-scheme: dark)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"><source
media="(prefers-color-scheme: light)"
srcset="https://www.cubic.dev/buttons/review-in-cubic-light.svg"><img
alt="Review in cubic"
src="https://www.cubic.dev/buttons/review-in-cubic-dark.svg"></picture></a>
<!-- End of auto-generated description by cubic. -->
MagMueller
