mcp/tools/maintain_remote_address.py

class MaintainRemoteAddressTool:
    name = 'maintain_remote_address'
    route_path = '/mcp/tools/maintainRemoteAddress'
    backend = 'base'

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

    def metadata(self):
        return {
            'name': self.name,
            'description': (
                '使用场景：查看某个已有偏远地址库的名称、状态和地址明细。'
                '编号格式为PY加数字，例如PY12，必须来自query_remote_address_list的结果。'
                '新增地址库，或修改名称和状态，请使用save_remote_address。'
                '禁止使用：手填不存在的编号、导入文件、删除明细、保存名称。'
                '临时键是内部字段，不要向用户展示。'
                '参数只用于工具内部调用；最终回答只能展示中文业务名称和偏远地址库编号。'
            ),
            'input_schema': {
                'type': 'object',
                'properties': {
                    'address_no': {
                        'type': 'string',
                        'minLength': 1,
                        'maxLength': 20,
                        'description': '要维护的偏远地址库编号。不传表示准备新增。',
                    },
                    'page': {
                        'type': 'integer', 'minimum': 1, 'maximum': 100, 'default': 1,
                    },
                    'limit': {
                        'type': 'integer', 'minimum': 1, 'maximum': 100, 'default': 20,
                    },
                },
                'additionalProperties': False,
            },
        }

    def call(
        self,
        address_no=None,
        page=1,
        limit=20,
        request_id='rq_maintain_remote_address',
    ):
        if self.api_client is None:
            raise RuntimeError(
                'api client is required for maintain_remote_address'
            )
        payload = {
            'page': QueryPage.page(page),
            'limit': QueryPage.limit(limit),
        }
        if address_no is not None:
            if not isinstance(address_no, str):
                raise ValueError('address_no is invalid')
            address_no = address_no.strip()
            if address_no:
                payload['address_no'] = address_no
        return self.api_client.call_tool(
            self.name, self.route_path, payload, request_id,
        )


class QueryPage:
    @staticmethod
    def page(value):
        if isinstance(value, bool) or not isinstance(value, int) or value < 1 or value > 100:
            raise ValueError('page is invalid')
        return value

    @staticmethod
    def limit(value):
        if isinstance(value, bool) or not isinstance(value, int) or value < 1 or value > 100:
            raise ValueError('limit is invalid')
        return value