# Grade ? AI use cases

11 use cases, sorted by grade and score.

- [grades](/grades/)
- [A data center optimizer — Grade ?, score 0](/use-cases/a-data-center-optimizer/)
- [AI GIF picker for reaction moments — Grade ?, score 0](/use-cases/ai-gif-picker-for-reaction-moments/)
- [Authority tier of a source note — Grade ?, score 0](/use-cases/authority-tier-of-a-source-note/)
- [I Built an AI Email Classifier in n8n \(Step-by-Step\) — Grade ?, score 0](/use-cases/i-built-an-ai-email-classifier-in-n8n-step-by-step/)
- [Knowledge base article difficulty level — Grade ?, score 0](/use-cases/knowledge-base-article-difficulty-level/)
- [Marketing qualified lead vs SQL classification — Grade ?, score 0](/use-cases/marketing-qualified-lead-vs-sql-classification/)
- [Planning while Jev picks the next action — Grade ?, score 0](/use-cases/planning-while-jev-picks-the-next-action/)
- [Preference-based LLM router training — Grade ?, score 0](/use-cases/preference-based-llm-router-training/)
- [Social proof triage into testimonial queue — Grade ?, score 0](/use-cases/social-proof-triage-into-testimonial-queue/)
- [Source-credibility screen of a cited webpage — Grade ?, score 0](/use-cases/source-credibility-screen-of-a-cited-webpage/)
- [Use Elasticsearch Machine Learning for Email Spam Detection — Grade ?, score 0](/use-cases/use-elasticsearch-machine-learning-for-email-spam-detection/)