📄 ai-sdk/docs/reference/ai-sdk-errors/ai-invalid-tool-input-error
File: ai-invalid-tool-input-error.md | Updated: 11/15/2025
Source: https://ai-sdk.dev/docs/reference/ai-sdk-errors/ai-invalid-tool-input-error
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AI SDK 5.x
Model Context Protocol (MCP) Tools
AI_TooManyEmbeddingValuesForCallError
AI_UnsupportedFunctionalityError
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This error occurs when invalid tool input was provided.
toolName: The name of the tool with invalid inputstoolInput: The invalid tool inputsmessage: The error messagecause: The cause of the error
You can check if an error is an instance of AI_InvalidToolInputError using:
import { InvalidToolInputError } from 'ai';
if (InvalidToolInputError.isInstance(error)) { // Handle the error}
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