# clm_B584DEBFD66C

subject: Claude (/record/claude.md)  
predicate: feature_added  
value: dynamic filtering  
valid_from: 2026-02-17  
valid_to: null  
published: 2026-02-17  
recorded: 2026-11-01  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-01  
checked: 2026-11-01 · its source page states the value and the date  

> Web search and web fetch now support dynamic filtering , which uses code execution to filter results before they reach the context window for better performance and reduced token cost.

What https://platform.claude.com/docs/en/release-notes/overview#2026-02-17 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-02-17 (primary, Anthropic, published 2026-02-17)

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