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MCP and its neighboring ideas

APIs, tool calling, skills, retrieval, agent delegation and packages.

What you’ll learn

1. MCP can wrap an existing API

   Locate the underlying service behind an MCP server.

   About 4 minutes · Open activity

2. Function calling and MCP occupy different layers

   Separate a model's structured action proposal from a server protocol.

   About 4 minutes · Open activity

3. A skill teaches a procedure

   Contrast reusable guidance with connected capability.

   About 4 minutes · Open activity

4. RAG supplies evidence

   Distinguish retrieval-augmented answering from the protocol carrying retrieval.

   About 4 minutes · Open activity

5. A2A connects agent task interfaces

   Recognize delegation between separately operated agents.

   About 4 minutes · Open activity

6. A plugin can package several pieces

   Map a skill, MCP config and hook into a host package.

   About 4 minutes · Open activity

7. Pick the layer

   For five fictional needs, choose guidance, model tool calling, service API, MCP integration or agent delegation, allowing sensible combinations.

   About 5 minutes · Open activity