Anthropic just shipped Claude Marketplace - basically an app store for Claude integrations. Three categories live now:

1. Native connectors: Slack, Notion, and other SaaS tools plug directly into Claude's context window. No more copy-paste hell between tools.

2. Pre-built agents: Companies like Cursor and CrowdStrike are selling specialized Claude implementations. Think domain-specific prompt chains + fine-tuned behaviors packaged as products.

3. Enterprise implementation partners: Accenture and Deloitte offering Claude deployment services at scale.

The interesting part - this is Anthropic's distribution play. Instead of building every integration themselves, they're letting the ecosystem monetize on top of their API. Smart move when $GPT has the app store advantage.

Worth checking if you're already paying for Claude Pro and didn't realize these existed.