Junie

Junie CLI extensions

Junie extensions are reusable bundles of skills, MCP servers, subagents, slash commands, guidelines and hooks installed from marketplaces.

skillsMCP serverssubagentsslash commandsguidelineshooks

At a glance

Manifest file: None documented
Install: /extensions install <extension-name>
Official directory: JetBrains/junie-extensions
Your own marketplace: Not documented

Links

Official documentation Browse JetBrains/junie-extensions Junie: standards support, subagents and hooks

Junie setup guides

Where does Junie read guidelines from, and how do I configure MCP servers and command approvals?

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Reviewed Oct 9, 2026.