Claude Code writes the code with confidence, you run it, and it fails: the method was renamed a few versions ago, or the config flag no longer exists. It answers from training data by default, so library APIs, framework syntax, and CLI flags can be months or years out of date.
Context7 fixes that by fetching current, version-matched documentation for whatever library you’re actually using, on demand, instead of relying on what the model memorized during training. Setup takes about 2 minutes.
What the full guide covers:
- What You’ll Need
- Step-by-Step Setup
- What Each Piece Does
- MCP or CLI + Skills? The Lower-Token Option
- Verify It’s Actually Pulling Fresh Docs
The commands, our own test notes, and the troubleshooting steps are in the full guide, which we keep up to date:
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