Claude Code warns on id and description keys in ECC hooks
Claude Code warns about unknown id and description keys on every ECC hook matcher group at each startup.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 10 September 2026 · last reported 19 September 2026
What's going wrong
Users of the ECC plugin for Claude Code see a warning about unknown keys every time a session starts.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
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