Dev Tools · 1h ago
Injecting Google Calendar API stops Claude from hallucinating schedules
A developer fixed Claude's tendency to misread date ranges in notes as full-day commitments by feeding it real calendar data via the Google Calendar API. A Python script fetches 21 days of events, converts them to Markdown, and injects the snapshot into the daily brief prompt. The pipeline uses gcloud ADC for headless authentication and deduplicates events by title and start time.
Meridian48 take
A practical fix for a common LLM hallucination problem, but the approach of injecting ground truth is a band-aid rather than a solution to the underlying reasoning flaw.
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The Day Claude Stopped Inventing My Schedule: Injecting Ground Truth into the Vault with the Google Calendar API →
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llm-hallucinationgoogle-calendar-api