New tools: Clay, Outreach, ZoomInfo, Close, Pendo, Similarweb,
Supermetrics, AirOps, Crossbeam, and Coupler.io. Each includes a
zero-dependency Node.js CLI and an integration guide.
Updates REGISTRY.md with new tool index entries, categories, and
MCP-enabled tools list.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
