ROS 2 Publisher/Subscriber Skill

Purpose: Generate accurate, educational ROS 2 publisher and subscriber code following official ROS 2 Humble patterns for the Physical AI textbook.

When to Use

• Creating lessons in Chapter 4 (Your First ROS 2 Code)
• Writing publisher/subscriber exercises for any ROS 2 content
• Generating worked examples that demonstrate topic-based communication
• Creating Tier 1 cloud-compatible code examples

Live Documentation Access

CRITICAL: Before generating any code, fetch current ROS 2 documentation using Context7 MCP:

Tool: mcp__context7__resolve-library-id
libraryName: "ros2 rclpy"