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plan-tune

Enhances user interaction by tuning question sensitivity and developer profiles for improved engagement in gstack.

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The plan-tune skill was audited on May 12, 2026 and we found 91 security issues across 4 threat categories. Review the findings below before installing.

Categories Tested

Security Issues

medium line 40

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40```bash
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273```bash
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369```bash
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403echo "before relying on \`gbrain search\` for code questions in this worktree."
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531```bash
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950console.log(\`\${r.count}x \${r.id} (\${r.skill}) followed:\${r.followed} overridden:\${r.overridden}\`);
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951console.log(\` \${r.summary}\`);
low line 41

Access to hidden dotfiles in home directory

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41_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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Access to hidden dotfiles in home directory

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43mkdir -p ~/.gstack/sessions
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Access to hidden dotfiles in home directory

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44touch ~/.gstack/sessions/"$PPID"
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Access to hidden dotfiles in home directory

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45_SESSIONS=$(find ~/.gstack/sessions -mmin -120 -type f 2>/dev/null | wc -l | tr -d ' ')
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Access to hidden dotfiles in home directory

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46find ~/.gstack/sessions -mmin +120 -type f -exec rm {} + 2>/dev/null || true
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Access to hidden dotfiles in home directory

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47_PROACTIVE=$(~/.claude/skills/gstack/bin/gstack-config get proactive 2>/dev/null || echo "true")
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Access to hidden dotfiles in home directory

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48_PROACTIVE_PROMPTED=$([ -f ~/.gstack/.proactive-prompted ] && echo "yes" || echo "no")
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Access to hidden dotfiles in home directory

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51_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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55source <(~/.claude/skills/gstack/bin/gstack-repo-mode 2>/dev/null) || true
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Access to hidden dotfiles in home directory

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58_LAKE_SEEN=$([ -f ~/.gstack/.completeness-intro-seen ] && echo "yes" || echo "no")
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Access to hidden dotfiles in home directory

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60_TEL=$(~/.claude/skills/gstack/bin/gstack-config get telemetry 2>/dev/null || true)
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Access to hidden dotfiles in home directory

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61_TEL_PROMPTED=$([ -f ~/.gstack/.telemetry-prompted ] && echo "yes" || echo "no")
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Access to hidden dotfiles in home directory

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66_EXPLAIN_LEVEL=$(~/.claude/skills/gstack/bin/gstack-config get explain_level 2>/dev/null || echo "default")
low line 69

Access to hidden dotfiles in home directory

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69_QUESTION_TUNING=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
low line 71

Access to hidden dotfiles in home directory

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71mkdir -p ~/.gstack/analytics
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Access to hidden dotfiles in home directory

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73echo '{"skill":"plan-tune","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/analytics/skill-u
low line 75

Access to hidden dotfiles in home directory

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75for _PF in $(find ~/.gstack/analytics -maxdepth 1 -name '.pending-*' 2>/dev/null); do
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Access to hidden dotfiles in home directory

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77if [ "$_TEL" != "off" ] && [ -x "~/.claude/skills/gstack/bin/gstack-telemetry-log" ]; then
low line 78

Access to hidden dotfiles in home directory

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78~/.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 84

Access to hidden dotfiles in home directory

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84eval "$(~/.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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90~/.claude/skills/gstack/bin/gstack-learnings-search --limit 3 2>/dev/null || true
low line 95

Access to hidden dotfiles in home directory

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95~/.claude/skills/gstack/bin/gstack-timeline-log '{"skill":"plan-tune","event":"started","branch":"'"$_BRANCH"'","session":"'"$_SESSION_ID"'"}' 2>/dev/null &
low line 100

Access to hidden dotfiles in home directory

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100_ROUTING_DECLINED=$(~/.claude/skills/gstack/bin/gstack-config get routing_declined 2>/dev/null || echo "false")
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Access to hidden dotfiles in home directory

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111_CHECKPOINT_MODE=$(~/.claude/skills/gstack/bin/gstack-config get checkpoint_mode 2>/dev/null || echo "explicit")
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112_CHECKPOINT_PUSH=$(~/.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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120In 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.
medium line 128

Access to hidden dotfiles in home directory

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128If `SKILL_PREFIX` is `"true"`, suggest/invoke `/gstack-*` names. Disk paths stay `~/.claude/skills/gstack/[skill-name]/SKILL.md`.
medium line 130

Access to hidden dotfiles in home directory

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130If 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 135

Access to hidden dotfiles in home directory

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135- 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
medium line 136

Access to hidden dotfiles in home directory

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136- 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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Access to hidden dotfiles in home directory

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149If B: run `~/.claude/skills/gstack/bin/gstack-config set explain_level terse`.
low line 153

Access to hidden dotfiles in home directory

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153rm -f ~/.gstack/.writing-style-prompt-pending
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Access to hidden dotfiles in home directory

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154touch ~/.gstack/.writing-style-prompted
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163touch ~/.gstack/.completeness-intro-seen
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176If A: run `~/.claude/skills/gstack/bin/gstack-config set telemetry community`
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186If B→A: run `~/.claude/skills/gstack/bin/gstack-config set telemetry anonymous`
medium line 187

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187If B→B: run `~/.claude/skills/gstack/bin/gstack-config set telemetry off`
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191touch ~/.gstack/.telemetry-prompted
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204If A: run `~/.claude/skills/gstack/bin/gstack-config set proactive true`
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205If B: run `~/.claude/skills/gstack/bin/gstack-config set proactive false`
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209touch ~/.gstack/.proactive-prompted
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250If 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`.
medium line 254

Access to hidden dotfiles in home directory

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254If `VENDORED_GSTACK` is `yes`, warn once via AskUserQuestion unless `~/.gstack/.vendoring-warned-$SLUG` exists:
medium line 266

Access to hidden dotfiles in home directory

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2663. Run `~/.claude/skills/gstack/bin/gstack-team-init required` (or `optional`)
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Access to hidden dotfiles in home directory

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2685. Tell the user: "Done. Each developer now runs: `cd ~/.claude/skills/gstack && ./setup --team`"
low line 274

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274eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)" 2>/dev/null || true
low line 275

Access to hidden dotfiles in home directory

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275touch ~/.gstack/.vendoring-warned-${SLUG:-unknown}
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378_BRAIN_SYNC_BIN="~/.claude/skills/gstack/bin/gstack-brain-sync"
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379_BRAIN_CONFIG_BIN="~/.claude/skills/gstack/bin/gstack-config"
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Access to hidden dotfiles in home directory

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483If A/B and `~/.gstack/.git` is missing, ask whether to run `gstack-artifacts-init`. Do not block the skill.
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Access to hidden dotfiles in home directory

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488"~/.claude/skills/gstack/bin/gstack-brain-sync" --discover-new 2>/dev/null || true
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Access to hidden dotfiles in home directory

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489"~/.claude/skills/gstack/bin/gstack-brain-sync" --once 2>/dev/null || true
low line 532

Access to hidden dotfiles in home directory

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532eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)"
medium line 687

Access to hidden dotfiles in home directory

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687Before 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
low line 691

Access to hidden dotfiles in home directory

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691~/.claude/skills/gstack/bin/gstack-question-log '{"skill":"plan-tune","question_id":"<id>","question_summary":"<short>","category":"<approval|clarification|routing|cherry-pick|feedback-loop>","door_ty
low line 700

Access to hidden dotfiles in home directory

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700~/.claude/skills/gstack/bin/gstack-question-preference --write '{"question_id":"<id>","preference":"<pref>","source":"inline-user","free_text":"<optional original words>"}'
low line 720

Access to hidden dotfiles in home directory

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720~/.claude/skills/gstack/bin/gstack-learnings-log '{"skill":"SKILL_NAME","type":"operational","key":"SHORT_KEY","insight":"DESCRIPTION","confidence":N,"source":"observed"}'
medium line 730

Access to hidden dotfiles in home directory

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730`~/.gstack/analytics/`, matching preamble analytics writes.
low line 737

Access to hidden dotfiles in home directory

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737rm -f ~/.gstack/analytics/.pending-"$_SESSION_ID" 2>/dev/null || true
low line 739

Access to hidden dotfiles in home directory

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739~/.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 742

Access to hidden dotfiles in home directory

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742echo '{"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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Access to hidden dotfiles in home directory

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745if [ "$_TEL" != "off" ] && [ -x ~/.claude/skills/gstack/bin/gstack-telemetry-log ]; then
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746~/.claude/skills/gstack/bin/gstack-telemetry-log \
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Access to hidden dotfiles in home directory

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756In plan mode before ExitPlanMode: if the plan file lacks `## GSTACK REVIEW REPORT`, run `~/.claude/skills/gstack/bin/gstack-review-read` and append the standard runs/status/findings table. With `NO_RE
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7907. **"Turn it off" / "disable"** → `~/.claude/skills/gstack/bin/gstack-config set question_tuning false`
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Access to hidden dotfiles in home directory

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7918. **"Turn it on" / "enable"** → `~/.claude/skills/gstack/bin/gstack-config set question_tuning true`
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Access to hidden dotfiles in home directory

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810_QT=$(~/.claude/skills/gstack/bin/gstack-config get question_tuning 2>/dev/null || echo "false")
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830~/.claude/skills/gstack/bin/gstack-config set question_tuning true
medium line 863

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863`~/.gstack/developer-profile.json` under `declared.{dimension}`:
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867~/.claude/skills/gstack/bin/gstack-developer-profile --read >/dev/null
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Access to hidden dotfiles in home directory

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869eval "$(~/.claude/skills/gstack/bin/gstack-paths)"
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Access to hidden dotfiles in home directory

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897~/.claude/skills/gstack/bin/gstack-developer-profile --profile
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Access to hidden dotfiles in home directory

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930eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)"
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Access to hidden dotfiles in home directory

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931eval "$(~/.claude/skills/gstack/bin/gstack-paths)"
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Access to hidden dotfiles in home directory

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990~/.claude/skills/gstack/bin/gstack-question-preference --write '{"question_id":"<id>","preference":"<never-ask|always-ask|ask-only-for-one-way>","source":"plan-tune","free_text":"<original phrase>"}'
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Access to hidden dotfiles in home directory

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1025eval "$(~/.claude/skills/gstack/bin/gstack-paths)"
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Access to hidden dotfiles in home directory

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1046~/.claude/skills/gstack/bin/gstack-developer-profile --gap
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Access to hidden dotfiles in home directory

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1065~/.claude/skills/gstack/bin/gstack-question-preference --stats
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Access to hidden dotfiles in home directory

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1066eval "$(~/.claude/skills/gstack/bin/gstack-slug 2>/dev/null)"
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Access to hidden dotfiles in home directory

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1067eval "$(~/.claude/skills/gstack/bin/gstack-paths)"
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Access to hidden dotfiles in home directory

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1070~/.claude/skills/gstack/bin/gstack-developer-profile --profile | bun -e "
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Unicode escape sequences

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340writes `\u3103` thinking it is 管 U+7BA1, but `\u3103` is
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External URL reference

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159If `LAKE_INTRO` is `no`: say "gstack follows the **Boil the Lake** principle — do the complete thing when AI makes marginal cost near-zero. Read more: https://garryslist.org/posts/boil-the-ocean" Offe
low line 162

External URL reference

SourceSKILL.md
162open https://garryslist.org/posts/boil-the-ocean
Scanned on May 12, 2026
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Categorysales
UpdatedMay 13, 2026
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