Claude Code writes code based on what it was trained on, which means you get deprecated syntax and old versions of frameworks. Context7 fixes that. It's a plugin that pulls live API documentation straight from the internet, so it automatically searches for the docs that match whatever framework or tool you're working with and grabs the current version instead of relying on the model's training data.
In the demo I asked what changed in the most recent version of React with a few syntax examples, and it came back with real code examples and the key changes from that version.
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