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gstack/gstack/llms.txt
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Garry TanClaude Fable 5.1Sina
 0530392821 v1.81.0.0 feat: Aside is the browser gstack drives first; every browsing skill, the PDF/diagram renderer, and web research; the bundled browser stays the automatic fallback (#2810) 
* feat(aside): browser-driver contract, cookbook, research and fallback resolvers

{{ASIDE_SETUP}} (readiness probe + ten rules for driving the user's real browser), {{ASIDE_COOKBOOK}} (script shapes verified live against Aside CLI 1.26: one flow per aside repl script, CDP console hook before navigation, evidence lines, session-directory artifact handoff, GSTACK_STEP_OK sentinel), {{ASIDE_RESEARCH}} (research through aside exec, WebSearch when Aside is absent, knowledge otherwise) and {{BROWSE_FALLBACK}} (the fifteen-row Aside-step to $B-command table plus the rules that differ, so every browsing skill keeps working on gstack's own headless browser). test/aside-driver.test.ts pins the sentences and asserts every browsing skill carries the Aside block followed by the fallback; test/helpers/aside-available.ts is the shared live-Aside probe.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(render): Aside-first local-HTML renderer with the bundled browser as fallback

lib/aside-render.ts serves the HTML's directory on loopback (Aside refuses file:// URLs), opens it with waitUntil load, prints through CDP Page.printToPDF so tagged output, outlines, header/footer templates and page numbers survive, emulates device metrics for sized screenshots, and writes in-page evaluations to files; when Aside is absent it runs the same spec through the browse daemon (newtab, load, js, pdf, screenshot, closetab) and reports ENGINE=aside|browse. bin/gstack-render.ts is the CLI skill templates call. lib/claude-bin.ts and lib/error-handling.ts become the canonical copies (browse/src re-exports them).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(browse): /browse drives Aside first, with the $B reference behind the fallback

Contract, cookbook, mode choice (aside repl by default, aside exec for reading), report format, the fallback section, and the full command reference carved on demand.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(qa): /qa and /qa-only drive Aside, fall back to $B

QA_METHODOLOGY runs every phase as Aside scripts (orient, explore, document, re-test, mobile viewport via CDP emulation, links via HEAD fetch); the authenticate phase is 'you are already signed in'; a 13th rule requires consent before mutating actions on non-local targets; the fallback section translates each step onto $B. The qa E2E tests run on whichever engine is present.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(design): design-review, design-consultation, design-shotgun, plan-design-review, design-html drive Aside

Design-system extraction is one script printing FONTS/COLORS/HEADINGS/TOUCH_TARGETS/NAV; competitor research confirms the exact URLs before opening them in the real browser and runs on the bundled browser when Aside is absent; design-html's viewport screenshots, sketches and comparison boards render through gstack-render.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(deploy): benchmark, canary, land-and-deploy Step 7, devex-review drive Aside

One aside repl script per page prints NAV/PAINT/LCP/RESOURCES/SCRIPTS/CSS/SUMMARY (benchmark), CONSOLE_ERRORS/NAV/TEXT + screenshot (canary, re-run every 60s), and the post-deploy check reads responseStatus from the navigation entry; each carries the $B fallback.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(third-party-actions): Aside is the recommended driver; gstack's visible browser stays the fallback

The readiness probe is lifted from {{ASIDE_SETUP}} at gen time (byte-identity pinned) and rule 3 points at browse/SKILL.md for how to drive; the consent question offers Aside first and gstack's own visible browser (handoff/resume for sign-in) as the fallback, as v1.72 framed it.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(scrape): /scrape reads pages through Aside; the browser-skills runtime rides the fallback

Look-then-extract scripts build the JSON inside the page and print it between JSON_START/JSON_END; aside exec for fuzzy intents; on the $B fallback the browser-skills match/prototype flow and /skillify apply as before.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(make-pdf): print through Aside first, the bundled browser otherwise

asideClient.ts replaces the direct $B client with one render() call per PDF (the exact option mapping the browse pdf command had: paper, margins, header/footer/page numbers, tagged, outline, printBackground, preferCSSPageSize, Paged.js wait); the diagram pre-pass, oversized-image downscale and DOCX rasters each run as one render script with per-fence try/catch; exit 4 now means no browser is available and names both remedies; $P setup reports which engine it found. The e2e gates run on whichever engine is present, so the Linux lane exercises the fallback.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* refactor(diagram): the triplet is one gstack-render call

SVG, PNG and excalidraw from one invocation over the content-addressed bundle staged under /tmp/gstack-render; every diagram type gets an excalidraw export; gstack-render picks the engine and prints ENGINE=; the diagram E2E gates on either engine.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(research): web research runs in Aside first, WebSearch second

The planning, review, design, security and investigate skills research through {{ASIDE_RESEARCH}}; WebSearch stays in allowed-tools as the fallback; testing.ts's bootstrap step follows; skeleton ceilings ratcheted for the research block.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* feat(setup,gen-skill-docs): prune renders of skills that no longer exist

setup gains _prune_stale_generated for every host tree and the doc generator removes gstack-* output dirs it did not write, so a skill removed from the source tree can never linger in an install.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* test: registries, budgets and suite reconciled for Aside-first with the $B fallback

Touchfiles + E2E tiers gain the Aside keys, coverage matrix and eval baselines updated, size budget re-baselined to parity-baseline-v1.80.0.0.json (the contract plus fallback ride in every browsing skill), parity ceilings ratcheted with measured values, LLM-judge prompts and the E2E fixtures speak Aside-first, browse-fallback.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: Aside first, gstack browser fallback

README, BROWSER.md, docs/, CONTRIBUTING, CLAUDE.md, ARCHITECTURE, AGENTS.md, TODOS and the root router describe the one product story: Aside is the browser gstack drives first; the bundled headless browser is the automatic fallback (Linux, Windows, app closed) where cookie import, GStack Browser, pair-agent and browser-skills still apply.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* chore: regenerate SKILL.md docs, llms.txt, agents digest, ship goldens, context-budget fixture

bun run gen:skill-docs over the templates; goldens re-rendered; context-budget ceilings recaptured.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* v1.80.0.0: Aside is the browser gstack drives first; the bundled browser is the fallback

MINOR: new capability across ten skills, the renderer and research; nothing removed. CHANGELOG release summary + itemized changes; VERSION 1.80.0.0; package.json 1.80.0.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs(todos): file non-Claude host ownership-gate and version-heading pin follow-ups

Two follow-ups from the /plan-ceo-review + /plan-eng-review pass on merging
PR #2804 with main's v1.80.0.0 ownership gate: bring the Codex/Factory/
OpenCode/Cursor/Kiro copy loops and the stale-render prune under the
.gstack-owned marker rule, and a free test pinning that the CHANGELOG top
heading equals VERSION (the collision that git cannot see).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix: pre-landing review fixes for the Aside-first branch

Review army + adversarial passes (Claude and Codex) on the merged branch:

setup
- _prune_stale_generated scans the host dirs too (the generator already
  removed the render before setup ran, so the host branch was dead), skips
  symlinks in the render tree (rm -rf on a slash-terminated link empties its
  target), removes a host symlink only when it resolves into gstack, cleans a
  bannered real dir through _cleanup_weak_dir, recognizes frontmatter-renamed
  skills, and logs through log. The always-run codex render passes every host
  dir that may link to it.
- NEEDS_BUILD checks all three binaries (with $_EXE) and lib/ sources; the
  browser hint and the bootstrap summary honor GSTACK_SKIP_ASIDE, treat a
  requested skip as a request, and derive one skill list.

lib/aside-render.ts + bin/gstack-render.ts
- The loopback server carries a per-render secret path, checks containment on
  the real path (symlink escapes are 403), and rejects malformed encoding.
- Inline eval results are one base64 line, so page text cannot forge
  ASIDE_DIR= or the sentinel; the last ASIDE_DIR wins.
- runProc escalates SIGTERM to SIGKILL, bounds every wait, and clears every
  timer (an uncleared one kept gstack-render alive after printing OK).
- renderTmpDir refuses a shared /tmp name owned by someone else; the work dir
  and server are created inside try; goto's budget follows the render budget.
- probeAside classifies a present-but-failing CLI as ASIDE_NOT_RUNNING like
  the skills' bash probe; render() retries on gstack's own browser when Aside
  could not start or its private CDP bridge is gone (never on a page error
  or a timeout of a running script); the CLI reports the engine that actually
  rendered, exits 0 on --help, rejects non-numeric flags, documents
  --wait-timeout, fences EVAL/PAGE_ERRORS as untrusted content, and names the
  daemon's cookie-import JS lock remedy.
- The browse path passes --scale only when asked (a scale change rebuilds
  the daemon context) and restores the viewport after a sized screenshot.

resolvers / templates
- The bash probe honors GSTACK_SKIP_ASIDE and has a perl deadline on stock
  macOS; .local is no longer LOCAL (mDNS); same-origin filters compare parsed
  origins; link status is HEAD-checked only on LOCAL targets; every
  aside exec goes through the receipted _aside_exec prelude
  ({{ASIDE_EXEC_PRELUDE}}), including nine template blocks that called it
  bare; the design sketch and diagram staging use private directories.
- The generator prunes only bannered renders and never a host whose
  generation failed.

Docs, stale comments and dead code cleaned; goldens re-rendered; tests
updated and added for every behavior above.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* test: coverage for the render CLI, setup rebuild check, make-pdf exit codes, and prose $B spans

New free tests from the ship coverage audit: test/gstack-render-cli.test.ts
(argv guards, --help, output contract with a fake daemon, failure and
serve-root paths, no-browser case, prompt exit), test/setup-needs-build.test.ts
(every binary and source set flips NEEDS_BUILD, Windows suffixes),
make-pdf/test/cli-exit-codes.test.ts and setup-smoke.test.ts (error to exit
code mapping, runSetup stages, renderPdf's engine), and prose-span cases for
extractBrowseCommands in test/skill-parser.test.ts.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: CHANGELOG and TODOS cover the review fixes (v1.81.0.0)

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: sync project docs with the v1.81.0.0 review fixes

BROWSER.md, ARCHITECTURE.md, CONTRIBUTING.md, README.md, CLAUDE.md,
docs/TESTING_INTERNALS.md and docs/PROJECT_STRUCTURE.md now describe the
shipped renderer and setup: the loopback render server's per-render secret
path and real-path containment, ENGINE= naming the engine that actually
rendered (mid-run retry on gstack's own browser), EVAL/PAGE_ERRORS fenced as
untrusted content, --wait-timeout and the CLI's argv guards, the receipted
_aside_exec prelude ({{ASIDE_EXEC_PRELUDE}} in the placeholder table), the
LOCAL host rule without .local, LOCAL-only HEAD checks in the links script,
GSTACK_SKIP_ASIDE across probe/renderer/setup, the ownership-gated
retired-skill prune, the widened NEEDS_BUILD check, and the new free tests
(gstack-render-cli, setup-prune-stale-generated, setup-browser-hint,
setup-needs-build, make-pdf cli-exit-codes and setup-smoke).

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: CHANGELOG states the precise mid-run retry rule

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix(test): skill-e2e-bws slices the $B setup block from the Browser fallback section

browse/SKILL.md no longer has '## SETUP' / '## Core QA Patterns' (Aside is the
primary driver; the $B block moved under 'Browser fallback'), so the gate test
sliced an empty block and handed the agent nothing to run. Anchor on
'### Find the `$B` binary' up to the next heading. 7/7 pass.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix(test): gate POSIX-only fixtures off Windows

windows-free-tests: the gstack-render CLI tests drive a shebang fake browse
that CreateProcess cannot exec, and two NEEDS_BUILD cases assert an execute
bit and a bare-name miss that MSYS bash does not have (test -x ignores mode
bits and resolves design -> design.exe). Those describes and cases now
self-skip on win32; argument guards, --help, the no-browser case, and every
other rebuild-check case still run there.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* fix(render): runProc waits for the exit code until the kill deadline; newtab retries once on a cold daemon

A process whose pipes have reached EOF is exiting, but runProc gave the exit
code only five seconds to arrive and then returned null, which run() reports
as a failed command. Under CI's six-shard load one such render failed with the
artifact already written. The SIGTERM/SIGKILL timers already bound the wait,
so the exit race now runs to the kill deadline.

The first CLI call auto-starts the browse daemon; on a cold start it can
answer 'Unable to connect' once while the server is still coming up. That
single case is retried after 1.5s; every other newtab failure is not.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* test(aside-render): warm the daemon before live fallback cases; failures name the render error

- Live fallback cases run 'goto about:blank' up to twice before asserting and
  skip (never fail) when the daemon cannot come up.
- expectOk() puts r.error and the browse transcript into the assertion so a
  failed render is diagnosable from the CI log.
- The argv-contract cases dump the fake's log on a miss.
- File default timeout is 30s: the subject is the CLI contract, not latency.
- Two cases pin the cold-daemon newtab retry and that other errors are not
  retried.

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

* docs: CHANGELOG notes the cold-start tolerance of the bundled-browser renderer

Co-Authored-By: Claude Fable 5.1 <noreply@anthropic.com>

---------

Co-authored-by: Sina <sdroid674+github@gmail.com>
Co-authored-by: Claude Fable 5.1 <noreply@anthropic.com>
2026-09-06 08:54:25 -07:00

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# gstack
> gstack is Garry's Stack: AI coding skills + a fast headless browser binary + a design CLI. This file indexes every capability so agents can discover and invoke them without crawling individual SKILL.md files.
Conventions:
- Skills are invoked by name (e.g. `/ship`, `/plan-ceo-review`).
- Browse commands run as `browse <command> [args]` (or `$B` shorthand).
- Design commands run as `design <command> [args]` (or `$D`).
- Project-specific config lives in `CLAUDE.md`. Always read it first.
## Skills
- [/autoplan](autoplan/SKILL.md): Auto-review pipeline — reads the full CEO, design, eng, and DX review skills from disk and runs them sequentially with auto-decisions using 6 decision principles.
- [/benchmark](benchmark/SKILL.md): Performance regression detection.
- [/benchmark-models](benchmark-models/SKILL.md): Cross-model benchmark for gstack skills.
- [/browse](browse/SKILL.md): Drive a real browser through Aside: open a page, read it, click through a flow, take screenshots, check console errors.
- [/canary](canary/SKILL.md): Post-deploy canary monitoring.
- [/careful](careful/SKILL.md): Safety guardrails for destructive commands.
- [/claude](claude/SKILL.md): Claude Code CLI wrapper for non-Claude hosts - three modes.
- [/codex](codex/SKILL.md): OpenAI Codex CLI wrapper — three modes.
- [/context-restore](context-restore/SKILL.md): Restore working context saved earlier by /context-save.
- [/context-save](context-save/SKILL.md): Save working context.
- [/cso](cso/SKILL.md): Chief Security Officer mode.
- [/design-consultation](design-consultation/SKILL.md): Design consultation: understands your product, researches the landscape, proposes a complete design system (aesthetic, typography, color, layout, spacing, motion), and generates font+color preview pages.
- [/design-html](design-html/SKILL.md): Design finalization: generates production-quality Pretext-native HTML/CSS.
- [/design-review](design-review/SKILL.md): Designer's eye QA: finds visual inconsistency, spacing issues, hierarchy problems, AI slop patterns, and slow interactions — then fixes them.
- [/design-shotgun](design-shotgun/SKILL.md): Design shotgun: generate multiple AI design variants, open a comparison board, collect structured feedback, and iterate.
- [/devex-review](devex-review/SKILL.md): Live developer experience audit.
- [/diagram](diagram/SKILL.md): Turn an English description (or mermaid source) into a diagram triplet: the source, an editable .excalidraw file you can open on excalidraw.com, and rendered SVG + PNG.
- [/document-generate](document-generate/SKILL.md): Generate missing documentation from scratch for a feature, module, or entire project.
- [/document-release](document-release/SKILL.md): Post-ship documentation update.
- [/freeze](freeze/SKILL.md): Restrict file edits to a specific directory for the session.
- [/gstack](gstack/SKILL.md): Router for the gstack skill suite.
- [/gstack-upgrade](gstack-upgrade/SKILL.md): Upgrade gstack to the latest version.
- [/guard](guard/SKILL.md): Full safety mode: destructive command warnings + directory-scoped edits.
- [/health](health/SKILL.md): Code quality dashboard.
- [/investigate](investigate/SKILL.md): Systematic debugging with root cause investigation.
- [/ios-clean](ios-clean/SKILL.md): Remove the DebugBridge SPM package and all #if DEBUG wiring from an iOS app.
- [/ios-design-review](ios-design-review/SKILL.md): Visual design audit for iOS apps on real hardware.
- [/ios-fix](ios-fix/SKILL.md): Autonomous iOS bug fixer.
- [/ios-qa](ios-qa/SKILL.md): Live-device iOS QA for SwiftUI apps.
- [/ios-sync](ios-sync/SKILL.md): Regenerate the iOS debug bridge against the latest upstream gstack templates.
- [/land-and-deploy](land-and-deploy/SKILL.md): Land and deploy workflow.
- [/landing-report](landing-report/SKILL.md): Read-only queue dashboard for workspace-aware ship.
- [/learn](learn/SKILL.md): Manage project learnings.
- [/make-pdf](make-pdf/SKILL.md): Turn any markdown file into a publication-quality PDF.
- [/office-hours](office-hours/SKILL.md): YC Office Hours — two modes.
- [/open-gstack-browser](open-gstack-browser/SKILL.md): Launch GStack Browser — AI-controlled Chromium with the sidebar extension baked in.
- [/pair-agent](pair-agent/SKILL.md): Pair a remote AI agent with your browser.
- [/plan-ceo-review](plan-ceo-review/SKILL.md): CEO/founder-mode plan review.
- [/plan-design-review](plan-design-review/SKILL.md): Designer's eye plan review — interactive, like CEO and Eng review.
- [/plan-devex-review](plan-devex-review/SKILL.md): Interactive developer experience plan review.
- [/plan-eng-review](plan-eng-review/SKILL.md): Eng manager-mode plan review.
- [/plan-tune](plan-tune/SKILL.md): Self-tuning question sensitivity + developer psychographic for gstack (v1: observational).
- [/qa](qa/SKILL.md): Systematically QA test a web application and fix bugs found.
- [/qa-only](qa-only/SKILL.md): Report-only QA testing.
- [/retro](retro/SKILL.md): Weekly engineering retrospective.
- [/review](review/SKILL.md): Pre-landing PR review.
- [/scrape](scrape/SKILL.md): Pull data from a web page through the Aside browser — your real, already signed-in sessions.
- [/setup-browser-cookies](setup-browser-cookies/SKILL.md): Import cookies from your real Chromium browser into the headless browse session.
- [/setup-deploy](setup-deploy/SKILL.md): Configure deployment settings for /land-and-deploy.
- [/setup-gbrain](setup-gbrain/SKILL.md): Set up gbrain for this coding agent: install the CLI, initialize a local PGLite or Supabase brain, register MCP, capture per-remote trust policy.
- [/ship](ship/SKILL.md): Ship workflow: detect + merge base branch, run tests, review diff, bump VERSION, update CHANGELOG, commit, push, create PR.
- [/skillify](skillify/SKILL.md): Codify the most recent successful /scrape flow into a permanent browser-skill on disk.
- [/spec](spec/SKILL.md): Turn vague intent into a precise, executable spec in five phases.
- [/sync-gbrain](sync-gbrain/SKILL.md): Keep gbrain current with this repo's code and refresh agent search guidance in CLAUDE.md.
- [/unfreeze](unfreeze/SKILL.md): Clear the freeze boundary set by /freeze, allowing edits to all directories again.
## Browse Commands
Run with `browse <command> [args]`. Full reference: `browse/SKILL.md`.
### Extraction
- `archive [path]`: Save complete page as MHTML via CDP
- `download <url|@ref> [path] [--base64] [--navigate]`: Download URL or media element to disk using browser cookies.
- `scrape <images|videos|media> [--selector sel] [--dir path] [--limit N]`: Bulk download all media from page.
### Inspection
- `attrs <sel|@ref>`: Element attributes as JSON
- `cdp <Domain.method> [json-params]`: Raw Chrome DevTools Protocol method dispatch.
- `console [--clear|--errors]`: Console messages (--errors filters to error/warning)
- `cookies`: All cookies as JSON
- `css <sel> <prop>`: Computed CSS value
- `dialog [--clear]`: Dialog messages
- `eval <file> [--out <file>] [--raw]`: Run JavaScript from a file in the page context and return result as string.
- `inspect [selector] [--all] [--history]`: Deep CSS inspection via CDP — full rule cascade, box model, computed styles
- `is <prop> <sel|@ref>`: State check on element.
- `js <expr> [--out <file>] [--raw]`: Run inline JavaScript expression in the page context and return result as string.
- `network [--clear]`: Network requests
- `perf`: Page load timings
- `storage | storage set <key> <value>`: Read both localStorage and sessionStorage as JSON.
- `ux-audit`: Extract page structure for UX behavioral analysis — site ID, nav, headings, text blocks, interactive elements.
### Interaction
- `cleanup [--ads] [--cookies] [--sticky] [--social] [--all]`: Remove page clutter (ads, cookie banners, sticky elements, social widgets)
- `click <sel>`: Click element
- `cookie <name>=<value>`: Set cookie on current page domain
- `cookie-import <json>`: Import cookies from JSON file
- `cookie-import-browser [browser] [--domain d]`: Import cookies from installed Chromium browsers (opens picker, or use --domain for direct import)
- `dialog-accept [text]`: Auto-accept next alert/confirm/prompt.
- `dialog-dismiss`: Auto-dismiss next dialog
- `fill <sel> <val>`: Fill input
- `header <name>:<value>`: Set custom request header (colon-separated, sensitive values auto-redacted)
- `hover <sel>`: Hover element
- `press <key>`: Press a Playwright keyboard key against the focused element.
- `scroll [sel|@ref]`: With a selector, smooth-scrolls the element into view.
- `select <sel> <val>`: Select dropdown option by value, label, or visible text
- `style <sel> <prop> <value> | style --undo [N]`: Modify CSS property on element (with undo support)
- `type <text>`: Type into focused element
- `upload <sel> <file> [file2...]`: Upload file(s)
- `useragent <string>`: Set user agent
- `viewport [<WxH>] [--scale <n>]`: Set viewport size and optional deviceScaleFactor (1-3, for retina screenshots).
- `wait <sel|--networkidle|--load>`: Wait for element, network idle, or page load (timeout: 15s)
### Meta
- `chain (JSON via stdin)`: Run a sequence of commands from JSON on stdin.
- `domain-skill save|list|show|edit|promote-to-global|rollback|rm <host?>`: Per-site notes the agent writes for itself.
- `frame <sel|@ref|--name n|--url pattern|main>`: Switch to iframe context (or main to return)
- `inbox [--clear]`: List messages from sidebar scout inbox
- `skill list|show|run|test|rm <name?> [--arg k=v]... [--timeout=Ns]`: Run a browser-skill: deterministic Playwright script that drives the daemon over loopback HTTP.
- `watch [stop]`: Passive observation — periodic snapshots while user browses
### Navigation
- `back`: History back
- `forward`: History forward
- `goto <url>`: Navigate to URL (http://, https://, or file:// scoped to cwd/TEMP_DIR)
- `load-html <file> [--wait-until load|domcontentloaded|networkidle] [--tab-id <N>] | load-html --from-file <payload.json> [--tab-id <N>]`: Load HTML via setContent.
- `reload`: Reload page
- `url`: Print current URL
### Reading
- `accessibility`: Full ARIA tree
- `data [--jsonld|--og|--meta|--twitter]`: Structured data: JSON-LD, Open Graph, Twitter Cards, meta tags
- `forms`: Form fields as JSON
- `html [selector]`: innerHTML of selector (throws if not found), or full page HTML if no selector given
- `links`: All links as "text → href"
- `media [--images|--videos|--audio] [selector]`: All media elements (images, videos, audio) with URLs, dimensions, types
- `text`: Cleaned page text
### Server
- `connect`: Launch headed Chromium with Chrome extension
- `disconnect`: Disconnect headed browser, return to headless mode
- `focus [@ref]`: Bring headed browser window to foreground (macOS)
- `handoff [message]`: Open visible Chrome at current page for user takeover
- `memory [--json]`: Snapshot Bun heap + per-tab JS heap + Chromium process tree + bounded buffer sizes.
- `restart`: Restart server
- `resume`: Re-snapshot after user takeover, return control to AI
- `state save|load <name>`: Save/load browser state (cookies + URLs)
- `status`: Health check
- `stop`: Shutdown server
### Snapshot
- `snapshot [flags]`: Accessibility tree with @e refs for element selection.
### Tabs
- `closetab [id]`: Close tab
- `newtab [url] [--json]`: Open new tab.
- `tab <id>`: Switch to tab
- `tab-each <command> [args...]`: Run a command on every open tab.
- `tabs`: List open tabs
### Visual
- `diff <url1> <url2>`: Text diff between pages
- `pdf [path] [--format letter|a4|legal] [--width <dim> --height <dim>] [--margins <dim>] [--margin-top <dim> --margin-right <dim> --margin-bottom <dim> --margin-left <dim>] [--header-template <html>] [--footer-template <html>] [--page-numbers] [--tagged] [--outline] [--print-background] [--prefer-css-page-size] [--toc] [--tab-id <N>] | pdf --from-file <payload.json> [--tab-id <N>]`: Save the current page as PDF.
- `prettyscreenshot [--scroll-to sel|text] [--cleanup] [--hide sel...] [--width px] [path]`: Clean screenshot with optional cleanup, scroll positioning, and element hiding
- `responsive [prefix]`: Screenshots at mobile (375x812), tablet (768x1024), desktop (1280x720).
- `screenshot [--selector <css>] [--viewport] [--clip x,y,w,h] [--base64] [selector|@ref] [path]`: Save screenshot.
## More
- Repository: https://github.com/garrytan/gstack
- Top-level guide: `SKILL.md`
- Project ethos: `ETHOS.md`
- This file is auto-generated by `bun run gen:skill-docs`.
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