Claude experimental prompt tools APIs retire with the Workbench on August 17, 2026
DeprecationVerifiedAdded Sep 22, 2026
The generate_prompt, improve_prompt and templatize_prompt experimental endpoints are being retired along with the Workbench on August 17, 2026, after which requests will return an error.
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More Claude Platform releases
Every Claude Platform release| Date | Release | Type |
|---|---|---|
| Jul 17 | Legacy Claude Console Workbench sunsets on August 17, 2026 Deprecation | Deprecation |
| Jul 15 | Mid-conversation system messages available on Claude Fable 5, Mythos 5 and Opus 4.8 GA | GA |
| Jul 14 | Admin API adds Claude Enterprise user management in beta Beta | Beta |
| Jul 14 | Self-serve HIPAA configuration for Claude Enterprise and the Claude API Update | Update |
| Jul 22 | Claude Managed Agents agents accept an effort level in model configuration Update | Update |
| Jul 22 | Claude Managed Agents webhooks cover environment and memory store lifecycle Update | Update |
| Jul 22 | Claude Managed Agents sessions can be seeded with initial events Update | Update |
| Jul 22 | Claude Managed Agents agent updates no longer require a version field Update | Update |
