Builder

Three modes for extending Claude's capabilities: MCP servers, web artifacts, and skills.

Mode Selection

Connecting Claude to an external API/service?    → MCP mode
Creating an interactive web tool or dashboard?   → WEB ARTIFACT mode
Creating or improving a SKILL.md + evals?        → SKILL CREATOR mode

MCP MODE

Build MCP (Model Context Protocol) servers — connect LLMs to external services

Quality bar: Measured by how well it enables LLMs to accomplish real-world tasks.