diff --git a/mkdocs.yml b/mkdocs.yml
index 6f1a0aedc..2b2ebd06e 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -31,6 +31,12 @@ nav:
     - Invariant Reconciliation: modules/invariant-reconciliation.md
     - ACMS Context Hydration: modules/context-hydration.md
     - Git Worktree Sandbox: modules/git-worktree-sandbox.md
+  - Showcase:
+    - Overview: showcase/index.md
+    - CLI Tools: showcase/cli-tools/
+    - API Clients: showcase/api-clients/
+    - Data Processing: showcase/data-processing/
+    - Testing Tools: showcase/testing-tools/
   - Development:
     - Agent System Specification: development/agent-system-specification.md
     - CI/CD Pipeline: development/ci-cd.md