# clm_A0EBB8E4664F

subject: Anthropic (/record/anthropic.md)  
predicate: feature_added  
value: code_execution_20260120  
valid_from: 2026-06-18  
valid_to: null  
published: 2026-06-18  
recorded: 2026-11-10  
confidence: 0.70  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-10  
cite: AsOf. "Anthropic feature added: code_execution_20260120", as of 2026-06-18. Claim clm_A0EBB8E4664F, https://asof.is/claim/clm_A0EBB8E4664F, accessed 2026-11-11. Source: https://platform.claude.com/docs/en/release-notes/overview#2026-06-18.  
checked: 2026-11-10 · its source page states the value and the date  

> June 18, 2026  The Python, TypeScript, Go, Java, Ruby, PHP, and C# SDKs now include support for code_execution_20260120 , the code execution tool version that adds REPL state persistence and is the minimum version for programmatic tool calling .

What https://platform.claude.com/docs/en/release-notes/overview#2026-06-18 says, word for word.

## Sources

- https://platform.claude.com/docs/en/release-notes/overview#2026-06-18 (primary, Anthropic, published 2026-06-18)

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