Chrome DevTools MCP automation: existing Chrome tabs, no AppleScript.
npx skills add https://github.com/BumpyClock/dotfiles --skill browser-useこのコマンドをClaude Codeにコピー＆ペーストしてスキルをインストール
Extract durable working preferences from recent local agent chats and convert them into skills, rules, or workflow docs. Use when asked to learn preferences, mine feedback, personalize workflows, or generate user/team-specific agent guidance.
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Beeper cache: contact hints, room lookup, WhatsApp/iMessage traces, FTS.
Use for new features, UX/UI changes, behavior changes, architecture decisions, or ambiguous work where intent/design must be clarified before implementation. Use micro-flow only for trivial mechanical/non-behavior changes.
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CLI UX/spec: args, flags, help, output, errors, config, dry-run.
| 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.