fix: filter extra fields from tool_use blocks to prevent Anthropic API rejection #247
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…I rejection Anthropic's API returns a `caller` field in `tool_use` response blocks but rejects this field when sent back in subsequent requests. This filters `tool_use` blocks to only include accepted fields: `type`, `id`, `name`, and `input`. 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude <noreply@anthropic.com>
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Summary
tool_useblocks to only include fields that Anthropic accepts in requests:type,id,name, andinputcallerfield being rejectedProblem
Anthropic's API returns a
callerfield intool_useresponse blocks (introduced with programmatic tool calling), but rejects this field when sent back in subsequent requests. The currentmodel_dump()preserves all fields, causing validation errors.Test plan
🤖 Generated with Claude Code
Summary by cubic
Strip unsupported fields from tool_use blocks before sending to Anthropic to prevent validation errors and multi-step agent failures. Only type, id, name, and input are kept; caller is removed.
Written for commit 69ef3f5. Summary will update automatically on new commits.