Chrome DevTools MCP automation: existing Chrome tabs, no AppleScript.
npx skills add https://github.com/BumpyClock/dotfiles --skill browser-useCopie e cole este comando no Claude Code para instalar a skill
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| name | browser-use |
| description | Chrome DevTools MCP automation: existing Chrome tabs, no AppleScript. |
Use this for browser tasks against the existing Chrome session.
Config repair details live in mcporter-config.md.
Hard rule: reattach to the existing Chrome profile only. Use this target:
mcporter call chrome-devtools.<tool>
Most login-heavy sites fail in isolated profiles because fresh sessions trigger captcha, device checks, or missing SSO/extension state. Strongly prefer the existing Chrome profile for any website that needs login.
Never use chrome-isolated, Playwright, Puppeteer, the Codex in-app browser, AppleScript, osascript, GUI scripting, or macOS open for browser control unless the user explicitly asks for an isolated/new browser.
Screenshot/live UI bugs require this existing-Chrome path. curl, source
inspection, Worker smoke tests, or local Playwright are supporting proof only;
do not treat them as equivalent when the user showed a rendered browser problem
or the page may depend on login/profile state.
mcporter list chrome-devtools --schema
mcporter call chrome-devtools.list_pages --args '{}' --output text
list_pages must show the user's real open tabs. If it shows a blank/default isolated Chrome, stop and say reattach failed.
If the call appears to hang while Chrome shows an auth/attach/update prompt, handle the attach alert before falling back. Prefer Peekaboo to press an explicit Chrome Allow button when visible; otherwise wait for the human. Do not restart daemons or kill MCP processes just because the first output is slow.
Tested attach-prompt recovery:
PB="${PEEKABOO_BIN:-$HOME/bin/peekaboo}"
[ -x "$PB" ] || PB="$(command -v peekaboo)"
"$PB" permissions status --json
"$PB" see --app frontmost --path /tmp/chrome-attach.png --json --annotate
# If the UI shows Chrome "Allow remote debugging?", click only the visible Allow button.
"$PB" click --coords <allow_x>,<allow_y> --json
mcporter call chrome-devtools.list_pages --args '{}' --output text
Use coordinates from the current Peekaboo snapshot, not stale notes. Success means list_pages returns the user's real Chrome tabs.
Attach-alert rule: when the current snapshot clearly shows Chrome asking to
allow DevTools/MCP/browser automation attachment, click the visible Allow
button once, then rerun list_pages. If the button is not visible or the prompt
is ambiguous, stop and ask; do not silently switch to Playwright/Puppeteer.
If list_pages fails with DevToolsActivePort, ask the user to restart Chrome or the DevTools bridge, then retry once:
mcporter daemon restart
mcporter call chrome-devtools.list_pages --args '{}' --output text
If it still fails, stop and say Chrome DevTools MCP is unavailable. Do not use AppleScript.
Avoid noisy recovery loops. Repeated MCP/browser restarts can trigger reconnect/login prompts and alerts. Try once, then pause and choose a quieter path.
# pick the page id from list_pages
mcporter call chrome-devtools.select_page --args '{"pageId":9}' --output text
# inspect page
mcporter call chrome-devtools.take_snapshot --args '{}' --output text
# navigate selected page
mcporter call chrome-devtools.navigate_page --args '{"url":"https://example.com"}' --output text
# click an element uid from the latest snapshot
mcporter call chrome-devtools.click --args '{"uid":"1_38","includeSnapshot":true}' --output text
# type/fill
mcporter call chrome-devtools.fill --args '{"uid":"1_13","value":"text","includeSnapshot":true}' --output text
# run JS, keep secrets out of output
mcporter call chrome-devtools.evaluate_script --args '{"function":"() => document.title"}' --output json
Use take_snapshot before actions and use current uid values only. Avoid take_screenshot unless visual layout matters.
For screenshot regressions, deployed dashboard checks, or anything where the rendered browser is the bug:
mcporter call chrome-devtools.list_pages --args '{}' --output text
mcporter call chrome-devtools.select_page --args '{"pageId":9}' --output text
mcporter call chrome-devtools.navigate_page --args '{"url":"https://example.com"}' --output text
mcporter call chrome-devtools.take_snapshot --args '{}' --output text
mcporter call chrome-devtools.evaluate_script --args '{"function":"() => document.body.innerText"}' --output json
Use the existing logged-in/profile-bearing tab set. If browser automation is unavailable, report that as a verification gap instead of substituting isolated browser tooling.
Never print tokens/passwords from page DOM, network logs, or inputs. For token checks, return shape only: present/absent, length, status code, account/org name.