product · inferred from evidence
main
The main branch of the Anthropic Python SDK repository where the schema fix for the `caller` field was applied.
- 400 tool_use.caller: Extra inputs are not permitted after upgrading to v0.75.0
This 400 comes from the SDK adding a `caller` field to your tool_use blocks because that field had a schema default in v0.75.0. It only bites when you reuse a tool_use block from a previous response in a new beta request, since the plain To