06 — Quiz: skills and plugins

Pick an answer. The quiz checks it and shows the explanation.

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1. A skill has disable-model-invocation: true. What changes?

a) nobody can run it

b) only you can run it, with /name, and its description leaves Claude's context

c) it runs on every prompt

d) it loads its full body at session start

b — Claude can no longer pick it on its own. You still can, from the / menu.

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2. A plugin named my-first-plugin has skills/hello/SKILL.md. How do you run that skill?

a) /hello

b) /my-first-plugin:hello

c) @hello

d) /plugin hello

b — every plugin component is namespaced under the plugin's name, so plugins never collide.

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3. Your plugin's hook runs ../shared/check.sh, outside the plugin folder. It works with --plugin-dir, but fails after a marketplace install. Why?

a) marketplace installs disable hooks

b) installs are copied into a cache, and files outside the plugin folder aren't copied

c) shell scripts aren't allowed in plugins

d) --plugin-dir is required to run hooks

b — --plugin-dir loads the folder in place. An install copies only the plugin directory, so keep everything inside it.

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4. A skill lists allowed-tools: Bash(npm test). What does that do?

a) Claude can use only npm test while the skill runs

b) npm test runs without a prompt during the turn that invokes the skill; other tools stay available

c) it adds a deny rule for every other command

d) it installs npm

b — allowed-tools pre-approves. It doesn't restrict which tools Claude can use.

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5. You enable a plugin with five skills but never use it today. Does it cost you anything?

a) no: plugins load only when used

b) yes: the names and descriptions of its model-invocable skills sit in context every turn, and its hooks and MCP servers are active

c) only disk space

d) only when you run /plugin

b — an enabled plugin adds its labels to every session. Disable what you don't use.

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