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open-gstack-browser

Launches an AI-controlled Chromium browser with real-time activity feed and chat for enhanced user interaction.

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The open-gstack-browser skill was audited on Jun 3, 2026 and we found 53 security issues across 4 threat categories. Review the findings below before installing.

Categories Tested

Security Issues

medium line 22

Template literal with variable interpolation in command context

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22```bash
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Template literal with variable interpolation in command context

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261```bash
medium line 606

Template literal with variable interpolation in command context

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606```bash
medium line 531

Curl to non-GitHub URL

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531curl -fsSL "https://bun.sh/install" -o "$tmpfile"
low line 23

Access to hidden dotfiles in home directory

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23_UPD=$(~/.claude/skills/gstack/bin/gstack-update-check 2>/dev/null || .claude/skills/gstack/bin/gstack-update-check 2>/dev/null || true)
low line 25

Access to hidden dotfiles in home directory

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25mkdir -p ~/.gstack/sessions
low line 26

Access to hidden dotfiles in home directory

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26touch ~/.gstack/sessions/"$PPID"
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Access to hidden dotfiles in home directory

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27_SESSIONS=$(find ~/.gstack/sessions -mmin -120 -type f 2>/dev/null | wc -l | tr -d ' ')
low line 28

Access to hidden dotfiles in home directory

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28find ~/.gstack/sessions -mmin +120 -type f -exec rm {} + 2>/dev/null || true
low line 29

Access to hidden dotfiles in home directory

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29_PROACTIVE=$(~/.claude/skills/gstack/bin/gstack-config get proactive 2>/dev/null || echo "true")
low line 30

Access to hidden dotfiles in home directory

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30_PROACTIVE_PROMPTED=$([ -f ~/.gstack/.proactive-prompted ] && echo "yes" || echo "no")
low line 33

Access to hidden dotfiles in home directory

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33_SKILL_PREFIX=$(~/.claude/skills/gstack/bin/gstack-config get skill_prefix 2>/dev/null || echo "false")
low line 37

Access to hidden dotfiles in home directory

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37source <(~/.claude/skills/gstack/bin/gstack-repo-mode 2>/dev/null) || true
low line 40

Access to hidden dotfiles in home directory

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40_LAKE_SEEN=$([ -f ~/.gstack/.completeness-intro-seen ] && echo "yes" || echo "no")
low line 42

Access to hidden dotfiles in home directory

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42_TEL=$(~/.claude/skills/gstack/bin/gstack-config get telemetry 2>/dev/null || true)
low line 43

Access to hidden dotfiles in home directory

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43_TEL_PROMPTED=$([ -f ~/.gstack/.telemetry-prompted ] && echo "yes" || echo "no")
low line 48

Access to hidden dotfiles in home directory

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48mkdir -p ~/.gstack/analytics
low line 50

Access to hidden dotfiles in home directory

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50echo '{"skill":"open-gstack-browser","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null || echo "unknown")'"}' >> ~/.gstack/analyti
low line 53

Access to hidden dotfiles in home directory

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53for _PF in $(find ~/.gstack/analytics -maxdepth 1 -name '.pending-*' 2>/dev/null); do
low line 55

Access to hidden dotfiles in home directory

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55if [ "$_TEL" != "off" ] && [ -x "~/.claude/skills/gstack/bin/gstack-telemetry-log" ]; then
low line 56

Access to hidden dotfiles in home directory

SourceSKILL.md
56~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true
low line 63

Access to hidden dotfiles in home directory

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63eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)" 2>/dev/null || true
low line 69

Access to hidden dotfiles in home directory

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69~/.claude/skills/gstack/bin/gstack-learnings-search --limit 3 2>/dev/null || true
low line 75

Access to hidden dotfiles in home directory

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75~/.claude/skills/gstack/bin/gstack-timeline-log '{"skill":"open-gstack-browser","event":"started","branch":"'"$_BRANCH"'","session":"'"$_SESSION_ID"'"}' 2>/dev/null &
low line 81

Access to hidden dotfiles in home directory

SourceSKILL.md
81_ROUTING_DECLINED=$(~/.claude/skills/gstack/bin/gstack-config get routing_declined 2>/dev/null || echo "false")
medium line 95

Access to hidden dotfiles in home directory

SourceSKILL.md
95`~/.claude/skills/gstack/[skill-name]/SKILL.md` for reading skill files.
medium line 97

Access to hidden dotfiles in home directory

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97If output shows `UPGRADE_AVAILABLE <old> <new>`: read `~/.claude/skills/gstack/gstack-upgrade/SKILL.md` and follow the "Inline upgrade flow" (auto-upgrade if configured, otherwise AskUserQuestion with
low line 106

Access to hidden dotfiles in home directory

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106touch ~/.gstack/.completeness-intro-seen
medium line 123

Access to hidden dotfiles in home directory

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123If A: run `~/.claude/skills/gstack/bin/gstack-config set telemetry community`
medium line 134

Access to hidden dotfiles in home directory

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134If B→A: run `~/.claude/skills/gstack/bin/gstack-config set telemetry anonymous`
medium line 135

Access to hidden dotfiles in home directory

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135If B→B: run `~/.claude/skills/gstack/bin/gstack-config set telemetry off`
low line 139

Access to hidden dotfiles in home directory

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139touch ~/.gstack/.telemetry-prompted
medium line 155

Access to hidden dotfiles in home directory

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155If A: run `~/.claude/skills/gstack/bin/gstack-config set proactive true`
medium line 156

Access to hidden dotfiles in home directory

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156If B: run `~/.claude/skills/gstack/bin/gstack-config set proactive false`
low line 160

Access to hidden dotfiles in home directory

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160touch ~/.gstack/.proactive-prompted
medium line 205

Access to hidden dotfiles in home directory

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205If B: run `~/.claude/skills/gstack/bin/gstack-config set routing_declined true`
low line 262

Access to hidden dotfiles in home directory

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262eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)"
medium line 338

Access to hidden dotfiles in home directory

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338Before building anything unfamiliar, **search first.** See `~/.claude/skills/gstack/ETHOS.md`.
low line 343

Access to hidden dotfiles in home directory

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343jq -n --arg ts "$(date -u +%Y-%m-%dT%H:%M:%SZ)" --arg skill "SKILL_NAME" --arg branch "$(git branch --show-current 2>/dev/null)" --arg insight "ONE_LINE_SUMMARY" '{ts:$ts,skill:$skill,branch:$branch,i
low line 382

Access to hidden dotfiles in home directory

SourceSKILL.md
382~/.claude/skills/gstack/bin/gstack-learnings-log '{"skill":"SKILL_NAME","type":"operational","key":"SHORT_KEY","insight":"DESCRIPTION","confidence":N,"source":"observed"}'
medium line 397

Access to hidden dotfiles in home directory

SourceSKILL.md
397`~/.gstack/analytics/` (user config directory, not project files). The skill
low line 406

Access to hidden dotfiles in home directory

SourceSKILL.md
406rm -f ~/.gstack/analytics/.pending-"$_SESSION_ID" 2>/dev/null || true
low line 408

Access to hidden dotfiles in home directory

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408~/.claude/skills/gstack/bin/gstack-timeline-log '{"skill":"SKILL_NAME","event":"completed","branch":"'$(git branch --show-current 2>/dev/null || echo unknown)'","outcome":"OUTCOME","duration_s":"'"$_T
low line 411

Access to hidden dotfiles in home directory

SourceSKILL.md
411echo '{"skill":"SKILL_NAME","duration_s":"'"$_TEL_DUR"'","outcome":"OUTCOME","browse":"USED_BROWSE","session":"'"$_SESSION_ID"'","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'"}' >> ~/.gstack/analytics/skill-
low line 414

Access to hidden dotfiles in home directory

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414if [ "$_TEL" != "off" ] && [ -x ~/.claude/skills/gstack/bin/gstack-telemetry-log ]; then
low line 415

Access to hidden dotfiles in home directory

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415~/.claude/skills/gstack/bin/gstack-telemetry-log \
medium line 434

Access to hidden dotfiles in home directory

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434- Writing to `~/.gstack/` (config, analytics, review logs, design artifacts, learnings)
medium line 475

Access to hidden dotfiles in home directory

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475~/.claude/skills/gstack/bin/gstack-review-read
low line 514

Access to hidden dotfiles in home directory

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514[ -z "$B" ] && B=~/.claude/skills/gstack/browse/dist/browse
low line 101

External URL reference

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101thing when AI makes the marginal cost near-zero. Read more: https://garryslist.org/posts/boil-the-ocean"
low line 105

External URL reference

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105open https://garryslist.org/posts/boil-the-ocean
low line 531

External URL reference

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531curl -fsSL "https://bun.sh/install" -o "$tmpfile"
low line 667

External URL reference

SourceSKILL.md
667$B goto https://news.ycombinator.com
Scanned on Jun 3, 2026
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Categorysupport
UpdatedJune 15, 2026
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