mcp/tools/list_inbound_receipt_templates.py

class ListInboundReceiptTemplatesTool:
    name = 'list_inbound_receipt_templates'
    route_path = '/mcp/tools/listInboundReceiptTemplates'

    def __init__(self, api_client=None):
        self.api_client = api_client

    def metadata(self):
        return {
            'name': self.name,
            'description': (
                '按柜号返回这一次对应的入仓单模板。不要让用户声明直送或非直送，'
                '系统会根据柜号自己判断。用户选定模板名称后，把同一批柜号和返回的模板编码'
                '交给 export_inbound_receipt。没有柜号时先询问柜号，不得猜测。'
                '直送和非直送混在一起，或有柜号对不上时，整次失败，按返回说明拆开再查。'
                '参数名仅用于工具调用；向用户回答时只能使用中文业务名称。'
            ),
            'input_schema': {
                'type': 'object',
                'properties': {
                    'container_codes': self.number_array(
                        '柜号数组。只放用户明确说出的柜号。'
                    ),
                },
                'required': ['container_codes'],
                'additionalProperties': False,
            },
        }

    @staticmethod
    def number_array(description):
        return {
            'type': 'array',
            'minItems': 1,
            'maxItems': 200,
            'description': description,
            'items': {
                'type': 'string',
                'minLength': 1,
                'maxLength': 100,
                'pattern': '.*\\S.*',
            },
        }

    @staticmethod
    def clean_container_codes(container_codes):
        if not isinstance(container_codes, list) or not container_codes:
            raise ValueError('container_codes is required')
        if len(container_codes) > 200:
            raise ValueError('container_codes exceeds 200 items')
        cleaned = []
        for item in container_codes:
            if not isinstance(item, str):
                raise ValueError('container code must be a string')
            text = item.strip()
            if not text or len(text) > 100:
                raise ValueError('container code length is invalid')
            if text not in cleaned:
                cleaned.append(text)
        if not cleaned or len(cleaned) > 200:
            raise ValueError('container_codes is required')
        return cleaned

    def call(self, container_codes=None, request_id='rq_list_inbound_receipt_templates'):
        if self.api_client is None:
            raise RuntimeError(
                'api client is required for list_inbound_receipt_templates'
            )
        payload = {
            'container_codes': self.clean_container_codes(container_codes),
        }
        return self.api_client.call_tool(
            self.name, self.route_path, payload, request_id,
        )