demo

Invalid unknown-subcommand-flag fixture — bogus flag on a known subcommand must produce E102

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Overview

Invalid unknown-subcommand-flag fixture — bogus flag on a known subcommand must produce E102

Install command

npx skills add https://github.com/charleshall888/cortex-command --skill demo

Copy and paste this command into Claude Code to install the skill

Source

charleshall888/cortex-command

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UpdatedJune 2, 2026 at 16:19

SKILL.md

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name	demo
description	Invalid unknown-subcommand-flag fixture — bogus flag on a known subcommand must produce E102

Emit a research sizing event with an unknown flag:

cortex-discovery emit-research-sizing --topic my-feature --complexity simple --criticality medium --nope

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Source