How to query the document_embeddings table for raw signal data using HogQL. Use when you need to perform semantic search over signals, fetch every signal that contributed to a specific report, or list signal types.
Install
npx skills add PostHog/ai-plugin --skill signalsnpx skills add PostHog/ai-plugin --skill signals -a claude-code -gnpx skills add PostHog/ai-plugin --skill signals -a codex -ggemini skills install https://github.com/PostHog/ai-plugin.git --path skills/signalsgh skill install PostHog/ai-plugin signalsgit clone --depth 1 https://github.com/PostHog/ai-plugin /tmp/PostHog__ai-plugin
mkdir -p ~/.claude/skills ~/.agents/skills
cp -R /tmp/PostHog__ai-plugin/skills/signals ~/.claude/skills/signals # Claude Code
cp -R /tmp/PostHog__ai-plugin/skills/signals ~/.agents/skills/signals # Codex, Cursor, Gemini CLI, Copilot, OpenCode