Detect and prevent hallucinated technical decisions during feature work. Auto-trigger when suggesting technologies, frameworks, APIs, database schemas, or external services. Validates all tech decisions against docs/project/tech-stack.md (single source of truth). Blocks suggestions that violate documented architecture. Requires evidence/citation for all technical choices.
Install
npx skills add marcusgoll/Spec-Flow --skill hallucination-detectornpx skills add marcusgoll/Spec-Flow --skill hallucination-detector -a claude-code -gnpx skills add marcusgoll/Spec-Flow --skill hallucination-detector -a codex -ggemini skills install https://github.com/marcusgoll/Spec-Flow.git --path .claude/skills/hallucination-detectorgh skill install marcusgoll/Spec-Flow hallucination-detectorgit clone --depth 1 https://github.com/marcusgoll/Spec-Flow /tmp/marcusgoll__Spec-Flow
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/marcusgoll__Spec-Flow/.claude/skills/hallucination-detector ~/.claude/skills/hallucination-detector # Claude Code
cp -R /tmp/marcusgoll__Spec-Flow/.claude/skills/hallucination-detector ~/.agents/skills/hallucination-detector # Codex, Cursor, Gemini CLI, Copilot, OpenCode