发现优质的 AI Agent 技能

Upstream tools for 13+ platforms. Call them directly.

This is a compact field reference for the OpenClaw `parallel-ai-search` skill.

**Version**: 1.0.0 **Tags**: marketing, seo, conversion-optimization, popup-builder, content-marketing, ai-search-optimization

Implement retrieval-first answering with explicit indexing, retrieval, and grounding stages.