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plan-ceo-review

Facilitates rigorous CEO-level plan reviews to enhance product vision and execution through structured scope management.

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Security score

The plan-ceo-review skill was audited on Jun 10, 2026 and we found 104 security issues across 3 threat categories. Review the findings below before installing.

Categories Tested

Security Issues

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62```bash
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312```bash
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447```bash
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481echo "before relying on \`gbrain search\` for code questions in this worktree."
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609```bash
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Access to hidden dotfiles in home directory

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25glob: "~/.gstack/projects/{repo_slug}/ceo-plans/*.md"
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31glob: "~/.gstack/projects/{repo_slug}/*-design-*.md"
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Access to hidden dotfiles in home directory

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63_UPD=$(~/.claude/skills/gstack/bin/gstack-update-check 2>/dev/null || .claude/skills/gstack/bin/gstack-update-check 2>/dev/null || true)
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65mkdir -p ~/.gstack/sessions
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66touch ~/.gstack/sessions/"$PPID"
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67_SESSIONS=$(find ~/.gstack/sessions -mmin -120 -type f 2>/dev/null | wc -l | tr -d ' ')
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68find ~/.gstack/sessions -mmin +120 -type f -exec rm {} + 2>/dev/null || true
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69_PROACTIVE=$(~/.claude/skills/gstack/bin/gstack-config get proactive 2>/dev/null || echo "true")
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70_PROACTIVE_PROMPTED=$([ -f ~/.gstack/.proactive-prompted ] && echo "yes" || echo "no")
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73_SKILL_PREFIX=$(~/.claude/skills/gstack/bin/gstack-config get skill_prefix 2>/dev/null || echo "false")
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Access to hidden dotfiles in home directory

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77source <(~/.claude/skills/gstack/bin/gstack-repo-mode 2>/dev/null) || true
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80_SESSION_KIND=$(~/.claude/skills/gstack/bin/gstack-session-kind 2>/dev/null || echo "interactive")
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83_LAKE_SEEN=$([ -f ~/.gstack/.completeness-intro-seen ] && echo "yes" || echo "no")
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85_TEL=$(~/.claude/skills/gstack/bin/gstack-config get telemetry 2>/dev/null || true)
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86_TEL_PROMPTED=$([ -f ~/.gstack/.telemetry-prompted ] && echo "yes" || echo "no")
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91_EXPLAIN_LEVEL=$(~/.claude/skills/gstack/bin/gstack-config get explain_level 2>/dev/null || echo "default")
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94_QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
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Access to hidden dotfiles in home directory

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96mkdir -p ~/.gstack/analytics
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Access to hidden dotfiles in home directory

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98echo '{"skill":"plan-ceo-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","repo":"'$(_repo=$(basename "$(git rev-parse --show-toplevel 2>/dev/null)" 2>/dev/null | tr -cd 'a-zA-Z0-9._-'); echo "${_repo:
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Access to hidden dotfiles in home directory

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100for _PF in $(find ~/.gstack/analytics -maxdepth 1 -name '.pending-*' 2>/dev/null); do
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102if [ "$_TEL" != "off" ] && [ -x "~/.claude/skills/gstack/bin/gstack-telemetry-log" ]; then
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Access to hidden dotfiles in home directory

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103~/.claude/skills/gstack/bin/gstack-telemetry-log --event-type skill_run --skill _pending_finalize --outcome unknown --session-id "$_SESSION_ID" 2>/dev/null || true
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109eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)" 2>/dev/null || true
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Access to hidden dotfiles in home directory

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115~/.claude/skills/gstack/bin/gstack-learnings-search --limit 3 2>/dev/null || true
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120~/.claude/skills/gstack/bin/gstack-timeline-log '{"skill":"plan-ceo-review","event":"started","branch":"'"$_BRANCH"'","session":"'"$_SESSION_ID"'"}' 2>/dev/null &
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125_ROUTING_DECLINED=$(~/.claude/skills/gstack/bin/gstack-config get routing_declined 2>/dev/null || echo "false")
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136_CHECKPOINT_MODE=$(~/.claude/skills/gstack/bin/gstack-config get checkpoint_mode 2>/dev/null || echo "explicit")
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137_CHECKPOINT_PUSH=$(~/.claude/skills/gstack/bin/gstack-config get checkpoint_push 2>/dev/null || echo "false")
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Access to hidden dotfiles in home directory

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158In plan mode, allowed because they inform the plan: `$B`, `$D`, `codex exec`/`codex review`, writes to `~/.gstack/`, writes to the plan file, and `open` for generated artifacts.
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Access to hidden dotfiles in home directory

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166If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
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Access to hidden dotfiles in home directory

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168If 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
medium line 173

Access to hidden dotfiles in home directory

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173- Missing `~/.claude/skills/gstack/.feature-prompted-continuous-checkpoint`: AskUserQuestion for Continuous checkpoint auto-commits. If accepted, run `~/.claude/skills/gstack/bin/gstack-config set che
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Access to hidden dotfiles in home directory

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174- Missing `~/.claude/skills/gstack/.feature-prompted-model-overlay`: inform "Model overlays are active. MODEL_OVERLAY shows the patch." Always touch marker.
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187If B: run `~/.claude/skills/gstack/bin/gstack-config set explain_level terse`.
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191rm -f ~/.gstack/.writing-style-prompt-pending
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192touch ~/.gstack/.writing-style-prompted
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201touch ~/.gstack/.completeness-intro-seen
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214If A: run `~/.claude/skills/gstack/bin/gstack-config set telemetry community`
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224If B→A: run `~/.claude/skills/gstack/bin/gstack-config set telemetry anonymous`
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225If B→B: run `~/.claude/skills/gstack/bin/gstack-config set telemetry off`
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229touch ~/.gstack/.telemetry-prompted
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242If A: run `~/.claude/skills/gstack/bin/gstack-config set proactive true`
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243If B: run `~/.claude/skills/gstack/bin/gstack-config set proactive false`
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247touch ~/.gstack/.proactive-prompted
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289If B: run `~/.claude/skills/gstack/bin/gstack-config set routing_declined true` and say they can re-enable with `gstack-config set routing_declined false`.
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293If `VENDORED_GSTACK` is `yes`, warn once via AskUserQuestion unless `~/.gstack/.vendoring-warned-$SLUG` exists:
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Access to hidden dotfiles in home directory

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3053. Run `~/.claude/skills/gstack/bin/gstack-team-init required` (or `optional`)
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3075. Tell the user: "Done. Each developer now runs: `cd ~/.claude/skills/gstack && ./setup --team`"
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313eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)" 2>/dev/null || true
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314touch ~/.gstack/.vendoring-warned-${SLUG:-unknown}
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456_BRAIN_SYNC_BIN="~/.claude/skills/gstack/bin/gstack-brain-sync"
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457_BRAIN_CONFIG_BIN="~/.claude/skills/gstack/bin/gstack-config"
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561If A/B and `~/.gstack/.git` is missing, ask whether to run `gstack-artifacts-init`. Do not block the skill.
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566"~/.claude/skills/gstack/bin/gstack-brain-sync" --discover-new 2>/dev/null || true
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567"~/.claude/skills/gstack/bin/gstack-brain-sync" --once 2>/dev/null || true
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610eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)"
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627~/.claude/skills/gstack/bin/gstack-decision-search --recent 5 2>/dev/null
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Access to hidden dotfiles in home directory

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636**Cross-session decisions.** If `ACTIVE DECISIONS` are listed, treat them as prior settled calls with their rationale — do not silently re-litigate them; if you're about to reverse one, say so explici
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Access to hidden dotfiles in home directory

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649Curated jargon list lives at `~/.claude/skills/gstack/scripts/jargon-list.json` (80+ terms). On the first jargon term you encounter this session, Read that file once; treat the `terms` array as the ca
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Access to hidden dotfiles in home directory

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695Before each AskUserQuestion, choose `question_id` from `scripts/question-registry.ts` or `{skill}-{slug}`, then run `~/.claude/skills/gstack/bin/gstack-question-preference --check "<id>"`. `AUTO_DECID
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Access to hidden dotfiles in home directory

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703~/.claude/skills/gstack/bin/gstack-question-log '{"skill":"plan-ceo-review","question_id":"<id>","question_summary":"<short>","category":"<approval|clarification|routing|cherry-pick|feedback-loop>","d
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712~/.claude/skills/gstack/bin/gstack-question-preference --write '{"question_id":"<id>","preference":"<pref>","source":"inline-user","free_text":"<optional original words>"}'
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727Before building anything unfamiliar, **search first.** See `~/.claude/skills/gstack/ETHOS.md`.
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732jq -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:$branch,i
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750~/.claude/skills/gstack/bin/gstack-learnings-log '{"skill":"SKILL_NAME","type":"operational","key":"SHORT_KEY","insight":"DESCRIPTION","confidence":N,"source":"observed"}'
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760`~/.gstack/analytics/`, matching preamble analytics writes.
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767rm -f ~/.gstack/analytics/.pending-"$_SESSION_ID" 2>/dev/null || true
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769~/.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
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Access to hidden dotfiles in home directory

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772echo '{"skill":"SKILL_NAME","duration_s":"'"$_TEL_DUR"'","outcome":"OUTCOME","browse":"USED_BROWSE","session":"'"$_SESSION_ID"'","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'"}' >> ~/.gstack/analytics/skill-
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775if [ "$_TEL" != "off" ] && [ -x ~/.claude/skills/gstack/bin/gstack-telemetry-log ]; then
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776~/.claude/skills/gstack/bin/gstack-telemetry-log \
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908SLUG=$(~/.claude/skills/gstack/browse/bin/remote-slug 2>/dev/null || basename "$(git rev-parse --show-toplevel 2>/dev/null || pwd)")
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910DESIGN=$(ls -t ~/.gstack/projects/$SLUG/*-$BRANCH-design-*.md 2>/dev/null | head -1)
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911[ -z "$DESIGN" ] && DESIGN=$(ls -t ~/.gstack/projects/$SLUG/*-design-*.md 2>/dev/null | head -1)
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919HANDOFF=$(ls -t ~/.gstack/projects/$SLUG/*-$BRANCH-ceo-handoff-*.md 2>/dev/null | head -1)
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Access to hidden dotfiles in home directory

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956Read the `/office-hours` skill file at `~/.claude/skills/gstack/office-hours/SKILL.md` using the Read tool.
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979SLUG=$(~/.claude/skills/gstack/browse/bin/remote-slug 2>/dev/null || basename "$(git rev-parse --show-toplevel 2>/dev/null || pwd)")
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981DESIGN=$(ls -t ~/.gstack/projects/$SLUG/*-$BRANCH-design-*.md 2>/dev/null | head -1)
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982[ -z "$DESIGN" ] && DESIGN=$(ls -t ~/.gstack/projects/$SLUG/*-design-*.md 2>/dev/null | head -1)
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Access to hidden dotfiles in home directory

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1002Read the `/office-hours` skill file at `~/.claude/skills/gstack/office-hours/SKILL.md` using the Read tool.
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1068_CROSS_PROJ=$(~/.claude/skills/gstack/bin/gstack-config get cross_project_learnings 2>/dev/null || echo "unset")
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1071~/.claude/skills/gstack/bin/gstack-learnings-search --limit 10 --cross-project 2>/dev/null || true
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1073~/.claude/skills/gstack/bin/gstack-learnings-search --limit 10 2>/dev/null || true
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1088If A: run `~/.claude/skills/gstack/bin/gstack-config set cross_project_learnings true`
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1089If B: run `~/.claude/skills/gstack/bin/gstack-config set cross_project_learnings false`
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1112eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)" 2>/dev/null || true
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1116~/.claude/skills/gstack/bin/gstack-brain-cache get product --project "$SLUG" 2>/dev/null || printf '_(no product digest available yet)_\n'
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Access to hidden dotfiles in home directory

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1118~/.claude/skills/gstack/bin/gstack-brain-cache get goals --project "$SLUG" 2>/dev/null || printf '_(no goals digest available yet)_\n'
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Access to hidden dotfiles in home directory

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1120~/.claude/skills/gstack/bin/gstack-brain-cache get recent-decisions --project "$SLUG" 2>/dev/null || printf '_(no recent-decisions digest available yet)_\n'
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Access to hidden dotfiles in home directory

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1122~/.claude/skills/gstack/bin/gstack-brain-cache get user-profile 2>/dev/null || printf '_(no user-profile digest available yet)_\n'
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1243eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)" && mkdir -p ~/.gstack/projects/$SLUG/ceo-plans
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1249mkdir -p ~/.gstack/projects/$SLUG/ceo-plans/archive
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1250# For each stale plan: mv ~/.gstack/projects/$SLUG/ceo-plans/{old-plan}.md ~/.gstack/projects/$SLUG/ceo-plans/archive/
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1253Write to `~/.gstack/projects/$SLUG/ceo-plans/{date}-{feature-slug}.md` using this format:
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1346mkdir -p ~/.gstack/analytics
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1347echo '{"skill":"plan-ceo-review","ts":"'$(date -u +%Y-%m-%dT%H:%M:%SZ)'","iterations":ITERATIONS,"issues_found":FOUND,"issues_fixed":FIXED,"remaining":REMAINING,"quality_score":SCORE}' >> ~/.gstack/an
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1393> **STOP.** Before running the 11-section deep review, required outputs, and review report (only after Step 0 scope and mode are agreed), Read `~/.claude/skills/gstack/plan-ceo-review/sections/review-
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External URL reference

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197If `LAKE_INTRO` is `no`: say "gstack follows the **Boil the Ocean** principle — do the complete thing when AI makes marginal cost near-zero. Read more: https://garryslist.org/posts/boil-the-ocean" Off
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External URL reference

SourceSKILL.md
200open https://garryslist.org/posts/boil-the-ocean
Scanned on Jun 10, 2026
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Categoryproduct
UpdatedJune 15, 2026
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