• Prompts: lowest friction, copy-paste, good for exploration • Skills: fixed workflows, auto-trigger, good for repeats • MCP: data & tools, good when the agent must act
Guides·Prompts
Prompts, Skills & MCP together
How prompts, skills, and MCP divide work—and when to level up.
Three layers
Upgrade path example
PR descriptions: try the PR prompt → install code-review skill for the team → add GitHub MCP for diffs. Use rankings and scenarios on AgentHub.