Converse API toolConfig -> toolname length increase

[chezsmithy]

Describe the feature

It appears Anthropic has increased the default toolname to 128 characters in their API but the converse API is still holding this length to 64 characters. For compatibility could this be aligned? anthropics/claude-code#2579

Use Case

We are finding inconsistencies between claude code expectations on toolname length resulting in errors when moving tools from anthropic APIs to AWS Converse APIs. Need to standardize on the new tool name length.

Proposed Solution

Expand the toolname to 128 characters and perhaps also customize it so the toolname length guardrails are configured depending on the model as well. It's possible anthropic might support 128 characters but nova pro might only support 64.

Other Information

No response

Acknowledgements

• I may be able to implement this feature request
• This feature might incur a breaking change

SDK version used

v3

Environment details (OS name and version, etc.)

MacOS Latest

[aBurmeseDev]

Hi @chezsmithy - appreciate you checking in.

This request of yours requires a change to API model by Bedrock team upstream and we (SDK) cannot make any model changes. However, I reached out to Bedrock team on your behalf and submitted an internal ticket (ref P297611170). Let me know if there's anything you'd like to add. Otherwise, I'd close this issue since this repo is only dedicated to SDK related issues.

Hope that helps,
John

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