Building with MCP: How Protocol Primitives Shape Dev Experience
summary
Model Context Protocol (MCP) claims to be the USB for connecting LLMs to repos, issue trackers, and databases by exposing clear primitives: tools, prompts, resources. A concrete flow: slash command selects a server prompt, model triggers a tool, the tool asks the client to sample an LLM to generate a missing title, then uses an elicitation confirmation before creating a GitHub issue. MCP UI can return HTML resources for a chess client; servers must pause before destructive actions (delete production DB). Look for clear names, elicitations for side effects, roots to scope file access, and gateway auditing.
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chapters (10)
- 0:00Introduction to MCP
- 2:11MCP architecture overview
- 5:04Tools as MCP primitives
- 8:54Prompts and resources in MCP
- 11:50Client-side capabilities
- 14:03Safety with elicitations
- 15:11Roots and scoping access
- 16:55End-to-end MCP workflow
- 17:17Evaluating MCP servers
- 20:07Security considerations for MCP
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