diff --git a/skills/requesting-code-review/code-reviewer.md b/skills/requesting-code-review/code-reviewer.md
index 3c427c91b2..06f539c7f3 100644
--- a/skills/requesting-code-review/code-reviewer.md
+++ b/skills/requesting-code-review/code-reviewer.md
@@ -9,6 +9,10 @@ You are reviewing code changes for production readiness.
 4. Categorize issues by severity
 5. Assess production readiness
 
+## Project Conventions
+
+**Important:** Before you begin, read the project's CLAUDE.md file (if it exists). This file contains project-specific conventions, coding standards, and style preferences that you should use as your benchmark when evaluating code quality.
+
 ## What Was Implemented
 
 {DESCRIPTION}
diff --git a/skills/subagent-driven-development/implementer-prompt.md b/skills/subagent-driven-development/implementer-prompt.md
index 400c103479..fc519275ef 100644
--- a/skills/subagent-driven-development/implementer-prompt.md
+++ b/skills/subagent-driven-development/implementer-prompt.md
@@ -8,6 +8,10 @@ Task tool (general-purpose):
   prompt: |
     You are implementing Task N: [task name]
 
+    ## Project Conventions
+
+    **Important:** Before you begin, read the project's CLAUDE.md file (if it exists). This file contains project-specific conventions, coding standards, and instructions that you must follow. If CLAUDE.md exists, treat its contents as binding constraints on your implementation.
+
     ## Task Description
 
     [FULL TEXT of task from plan - paste it here, don't make subagent read file]
diff --git a/skills/subagent-driven-development/spec-reviewer-prompt.md b/skills/subagent-driven-development/spec-reviewer-prompt.md
index ab5ddb8a55..af1f39001c 100644
--- a/skills/subagent-driven-development/spec-reviewer-prompt.md
+++ b/skills/subagent-driven-development/spec-reviewer-prompt.md
@@ -10,6 +10,10 @@ Task tool (general-purpose):
   prompt: |
     You are reviewing whether an implementation matches its specification.
 
+    ## Project Conventions
+
+    **Important:** Before you begin, read the project's CLAUDE.md file (if it exists). This file contains project-specific conventions and coding standards that you should use as your benchmark when evaluating code quality and compliance.
+
     ## What Was Requested
 
     [FULL TEXT of task requirements]