diff --git a/packages/claude-code-plugin/commands/act.md b/packages/claude-code-plugin/commands/act.md
index f1d75255..2ddc2937 100644
--- a/packages/claude-code-plugin/commands/act.md
+++ b/packages/claude-code-plugin/commands/act.md
@@ -21,6 +21,11 @@ With the CodingBuddy MCP server connected, you additionally get:
 - Cross-session context persistence
 
 ## Activation
+
+Invoke via `/codingbuddy:act` (namespaced) or the `ACT` keyword.
+
+> Legacy bare `/act` is deprecated. See [Migration Guide](../docs/migration-guide.md).
+
 This command activates ACT mode for the CodingBuddy workflow.
 
 ## Instructions
diff --git a/packages/claude-code-plugin/commands/auto.md b/packages/claude-code-plugin/commands/auto.md
index 2d066374..91baab80 100644
--- a/packages/claude-code-plugin/commands/auto.md
+++ b/packages/claude-code-plugin/commands/auto.md
@@ -21,6 +21,11 @@ With the CodingBuddy MCP server connected, you additionally get:
 - Cross-session context persistence
 
 ## Activation
+
+Invoke via `/codingbuddy:auto` (namespaced) or the `AUTO` keyword.
+
+> Legacy bare `/auto` is deprecated. See [Migration Guide](../docs/migration-guide.md).
+
 This command activates AUTO mode for the CodingBuddy workflow.
 
 ## Instructions
diff --git a/packages/claude-code-plugin/commands/checklist.md b/packages/claude-code-plugin/commands/checklist.md
index 806a0bd9..4c3eaef3 100644
--- a/packages/claude-code-plugin/commands/checklist.md
+++ b/packages/claude-code-plugin/commands/checklist.md
@@ -17,13 +17,15 @@ Generate contextual checklists based on file patterns and domains for comprehens
 ## Usage
 
 ```
-/checklist [files] [domains]
+/codingbuddy:checklist [files] [domains]
 ```
 
 Examples:
-- `/checklist src/auth/*.ts security`
-- `/checklist src/components/*.tsx accessibility performance`
-- `/checklist` (auto-detect from recent changes)
+- `/codingbuddy:checklist src/auth/*.ts security`
+- `/codingbuddy:checklist src/components/*.tsx accessibility performance`
+- `/codingbuddy:checklist` (auto-detect from recent changes)
+
+> Legacy bare `/checklist` is deprecated. See [Migration Guide](../docs/migration-guide.md).
 
 ## MCP Integration
 
diff --git a/packages/claude-code-plugin/commands/eval.md b/packages/claude-code-plugin/commands/eval.md
index b4093842..d2d94975 100644
--- a/packages/claude-code-plugin/commands/eval.md
+++ b/packages/claude-code-plugin/commands/eval.md
@@ -21,6 +21,11 @@ With the CodingBuddy MCP server connected, you additionally get:
 - Cross-session context persistence
 
 ## Activation
+
+Invoke via `/codingbuddy:eval` (namespaced) or the `EVAL` keyword.
+
+> Legacy bare `/eval` is deprecated. See [Migration Guide](../docs/migration-guide.md).
+
 This command activates EVAL mode for the CodingBuddy workflow.
 
 ## Instructions
diff --git a/packages/claude-code-plugin/commands/plan.md b/packages/claude-code-plugin/commands/plan.md
index a47fda26..8fd3f650 100644
--- a/packages/claude-code-plugin/commands/plan.md
+++ b/packages/claude-code-plugin/commands/plan.md
@@ -21,6 +21,11 @@ With the CodingBuddy MCP server connected, you additionally get:
 - Cross-session context persistence
 
 ## Activation
+
+Invoke via `/codingbuddy:plan` (namespaced) or the `PLAN` keyword.
+
+> Legacy bare `/plan` is deprecated. See [Migration Guide](../docs/migration-guide.md).
+
 This command activates PLAN mode for the CodingBuddy workflow.
 
 ## Instructions