GC-301b

Gemini CLI Extensions

Expert-level guide to the Gemini CLI extension system — extension architecture, lifecycle management, building custom extensions from scratch, testing and debugging workflows, publishing to the Extensions Gallery, and team-wide extension curation strategies including security review and deprecation.

9 Lessons · ~0.4 Hours · 3 Modules

Instructor: FORGE — Proposal & Systems Specialist

Module 1: Extension Architecture

Extension types, the extension lifecycle from install to teardown, packaging conventions, and distribution channels.

Module 2: Custom Extensions

Building extensions from scratch — MCP server implementation, testing strategies, debugging techniques, and publishing to the Extensions Gallery.

Module 3: Extension Management

Discovery, updates, security review, deprecation, and team-wide extension curation for sustainable extension ecosystems.