I've been using Context7 as an MCP server for months. It's a neat idea: your AI agent queries a cloud service for up-to-date library docs instead of relying on stale training data. It mostly worked. Until it didn't.

In January 2026, Context7 slashed their free tier from ~6,000 to 1,000 requests per month and added a 60 requests/hour rate limit. I...