diff --git a/debug/SKILL.md b/debug/SKILL.md
index 4448453a..c1314556 100644
--- a/debug/SKILL.md
+++ b/debug/SKILL.md
@@ -4,6 +4,10 @@ version: 1.0.0
 description: |
   Systematic debugging with root cause investigation. Four phases: investigate,
   analyze, hypothesize, implement. Iron Law: no fixes without root cause.
+  Use when asked to "debug this", "fix this bug", "why is this broken",
+  "investigate this error", or "root cause analysis".
+  Proactively suggest when the user reports errors, unexpected behavior, or
+  is troubleshooting why something stopped working.
 allowed-tools:
   - Bash
   - Read
@@ -30,8 +34,13 @@ _BRANCH=$(git branch --show-current 2>/dev/null || echo "unknown")
 echo "BRANCH: $_BRANCH"
 _LAKE_SEEN=$([ -f ~/.gstack/.completeness-intro-seen ] && echo "yes" || echo "no")
 echo "LAKE_INTRO: $_LAKE_SEEN"
+_PROACTIVE=$(~/.claude/skills/gstack/bin/gstack-config get proactive 2>/dev/null || echo "true")
+echo "PROACTIVE: $_PROACTIVE"
 ```
 
+If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
+them when the user explicitly asks. The user opted out of proactive suggestions.
+
 If 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 4 options, write snooze state if declined). If `JUST_UPGRADED <from> <to>`: tell user "Running gstack v{to} (just updated!)" and continue.
 
 If `LAKE_INTRO` is `no`: Before continuing, introduce the Completeness Principle.
diff --git a/debug/SKILL.md.tmpl b/debug/SKILL.md.tmpl
index 312d2420..90fc5bdc 100644
--- a/debug/SKILL.md.tmpl
+++ b/debug/SKILL.md.tmpl
@@ -4,6 +4,10 @@ version: 1.0.0
 description: |
   Systematic debugging with root cause investigation. Four phases: investigate,
   analyze, hypothesize, implement. Iron Law: no fixes without root cause.
+  Use when asked to "debug this", "fix this bug", "why is this broken",
+  "investigate this error", or "root cause analysis".
+  Proactively suggest when the user reports errors, unexpected behavior, or
+  is troubleshooting why something stopped working.
 allowed-tools:
   - Bash
   - Read
diff --git a/office-hours/SKILL.md b/office-hours/SKILL.md
index fec01e26..da59e1ff 100644
--- a/office-hours/SKILL.md
+++ b/office-hours/SKILL.md
@@ -6,6 +6,10 @@ description: |
   demand reality, status quo, desperate specificity, narrowest wedge, observation,
   and future-fit. Builder mode: design thinking brainstorming for side projects,
   hackathons, learning, and open source. Saves a design doc.
+  Use when asked to "brainstorm this", "I have an idea", "help me think through
+  this", "office hours", or "is this worth building".
+  Proactively suggest when the user describes a new product idea or is exploring
+  whether something is worth building — before any code is written.
   Use before /plan-ceo-review or /plan-eng-review.
 allowed-tools:
   - Bash
@@ -33,8 +37,13 @@ _BRANCH=$(git branch --show-current 2>/dev/null || echo "unknown")
 echo "BRANCH: $_BRANCH"
 _LAKE_SEEN=$([ -f ~/.gstack/.completeness-intro-seen ] && echo "yes" || echo "no")
 echo "LAKE_INTRO: $_LAKE_SEEN"
+_PROACTIVE=$(~/.claude/skills/gstack/bin/gstack-config get proactive 2>/dev/null || echo "true")
+echo "PROACTIVE: $_PROACTIVE"
 ```
 
+If `PROACTIVE` is `"false"`, do not proactively suggest gstack skills — only invoke
+them when the user explicitly asks. The user opted out of proactive suggestions.
+
 If 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 4 options, write snooze state if declined). If `JUST_UPGRADED <from> <to>`: tell user "Running gstack v{to} (just updated!)" and continue.
 
 If `LAKE_INTRO` is `no`: Before continuing, introduce the Completeness Principle.
diff --git a/office-hours/SKILL.md.tmpl b/office-hours/SKILL.md.tmpl
index 4eec04b6..03a8302c 100644
--- a/office-hours/SKILL.md.tmpl
+++ b/office-hours/SKILL.md.tmpl
@@ -6,6 +6,10 @@ description: |
   demand reality, status quo, desperate specificity, narrowest wedge, observation,
   and future-fit. Builder mode: design thinking brainstorming for side projects,
   hackathons, learning, and open source. Saves a design doc.
+  Use when asked to "brainstorm this", "I have an idea", "help me think through
+  this", "office hours", or "is this worth building".
+  Proactively suggest when the user describes a new product idea or is exploring
+  whether something is worth building — before any code is written.
   Use before /plan-ceo-review or /plan-eng-review.
 allowed-tools:
   - Bash