# clm_1BA2310C0E8B

subject: Claude (/record/claude.md)  
predicate: feature_added  
value: fine-grained tool streaming  
valid_from: 2025-06-11  
valid_to: null  
published: 2025-06-11  
recorded: 2026-11-14  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-14  
cite: AsOf. "Claude feature added: fine-grained tool streaming", as of 2025-06-11. Claim clm_1BA2310C0E8B, https://asof.is/claim/clm_1BA2310C0E8B, accessed 2026-11-14. Source: https://platform.claude.com/docs/en/release-notes/overview#2025-06-11.  
checked: 2026-11-14 · its source page states the value and the date, as read by an AI model  

> June 11, 2025 We’ve launched fine-grained tool streaming in beta, a feature that enables Claude to stream tool use parameters without buffering / JSON validation.

What https://platform.claude.com/docs/en/release-notes/overview#2025-06-11 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2025-06-11 (primary, Anthropic, published 2025-06-11)

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.
