diff --git a/skills/customer-research/SKILL.md b/skills/customer-research/SKILL.md
index 22f2e73..54577ef 100644
--- a/skills/customer-research/SKILL.md
+++ b/skills/customer-research/SKILL.md
@@ -269,3 +269,4 @@ Don't ask all five at once — lead with #1 and #2, then follow up as needed.
 | Writing cold email using research on pain/trigger | `cold-email` |
 | Translating customer research into an ICP for outbound | `prospecting` |
 | Planning content based on discovered topics | `content-strategy` |
+| Rolling research into a comprehensive marketing plan | `marketing-plan` |
diff --git a/skills/marketing-ideas/SKILL.md b/skills/marketing-ideas/SKILL.md
index cef9f87..6aada21 100644
--- a/skills/marketing-ideas/SKILL.md
+++ b/skills/marketing-ideas/SKILL.md
@@ -160,6 +160,7 @@ When recommending ideas, provide for each:
 
 ## Related Skills
 
+- **marketing-plan**: When the user wants a comprehensive plan instead of standalone ideas. Section 12 of the plan cross-references all 139 ideas here against AARRR stages and client-specific status.
 - **programmatic-seo**: For scaling SEO content (#4)
 - **competitors**: For comparison pages (#11)
 - **emails**: For email marketing tactics