Summary
On a Retool Cloud instance, AI Assist is locked up when attempting to make edits — it stays stuck on 'summarising thread' with a perpetual spinner and does not recover after logging out and back in.
AI Response
A stuck 'summarising thread' spinner in AI Assist is most commonly caused by the conversation exceeding Assist's context window, which triggers automatic background thread summarization on Cloud that can stall when the thread carries a large amount of context. Both Retool and Anthropic are currently reporting all systems operational, so this points to a context/thread-size issue rather than a service outage. The recommended path is to start a new Assist thread and keep prompts smaller — breaking requests into focused steps and reducing the amount of context (e.g., large queries) passed in per prompt. Retool has also shipped improvements that reduce how often context window limits are hit, so retrying edits in a fresh thread should behave better.
Sources
AI Assist: The limit for Assist’s context window has been reached
A solved thread where Retool staff confirm that hitting Assist's context window triggers automatic thread summarization on Cloud and recommend starting a new thread and reducing per-prompt context to get unstuck.
The official Assist guide covering how Assist edits apps, its features, and FAQs, useful for understanding prompting behavior and limitations.
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