fix(browser_execute): use real helper names in tool description#26
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Alezander9 merged 1 commit intomainfrom Apr 30, 2026
Merged
fix(browser_execute): use real helper names in tool description#26Alezander9 merged 1 commit intomainfrom
Alezander9 merged 1 commit intomainfrom
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The tool description listed `goto`, `click`, `screenshot` -- none of those
exist. The actual helpers (per harness/src/browser_harness/helpers.py)
are `goto_url`, `click_at_xy`, `capture_screenshot`. Agents followed the
description literally and got NameError on every call.
Also nudge agents toward `new_tab(url)` for first navigation per
SKILL.md, since bare `goto_url` clobbers the user's active tab.
Repro: fresh install, ask any model to "go to wikipedia". Pre-fix:
NameError: name 'goto' is not defined. Post-fix: agent uses
`new_tab("https://wikipedia.org")` directly.
![cubic-dev-ai[bot]](https://avatars.githubusercontent.com/in/1082092?s=60&v=4){kind=small}
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Summary
The
browser_executetool description hands the LLM helper names that don't exist.But
harness/src/browser_harness/helpers.pyexportsgoto_url,click_at_xy,capture_screenshot-- notgoto/click/screenshot.Repro on a fresh v0.0.6 install: ask any model to "go to wikipedia". Both attempts fail with
NameError: name 'goto' is not defined. The agent followed the tool description literally.Fix
goto_url,click_at_xy,capture_screenshot).ensure_real_tabto the example list (it's the canonical pre-navigation helper from SKILL.md).new_tab("https://example.com")per SKILL.md ("First navigation is new_tab(url), not goto_url(url)").click(x, y)toclick_at_xy(x, y).Verification
^definhelpers.py.bun run typecheck: 5/5 passed.UPSTREAM.mddivergence needed.Modification zone
Yellow (touches
packages/opencode/src/tool/) but the file was added by browsercode (commit46048c709), not upstream -- so no merge-conflict risk and noEXCEPTIONS.mdentry.