"Search for a creator named 'modelcontextprotocol'" matching MCP connectors:

Send PDFs as physical US mail from AI agents. Check prices, send First-Class or Certified Mail, track letters and retrieve electronic return receipts. Requires a user-supplied Bearer API key and prepaid funds for mailing.

Autonomous HTTP 402 Web Scraping Mesh on Base for $0.02 USDC.

Audit and write CLAUDE.md / AGENTS.md / Cursor rules; generate full build specs for new projects.