Arize Phoenix TS
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    vercelAIToolDefinitionSchema: ZodObject<
        {
            description: ZodOptional<ZodString>;
            inputSchema: ZodObject<
                {
                    _type: ZodDefault<ZodOptional<ZodUnknown>>;
                    jsonSchema: ZodOptional<ZodRecord<ZodString, ZodUnknown>>;
                    validate: ZodDefault<ZodOptional<ZodUnknown>>;
                },
                $strip,
            >;
            type: ZodLiteral<"function">;
        },
        $strip,
    > = ...

    Vercel AI Tool Definition Schema

    Produces the same result as if you called import { jsonSchema } from "ai" https://github.com/vercel/ai/blob/83976abfa99bf26f8227cf493386b8a6f0e71fdd/packages/ui-utils/src/schema.ts#L34