AI 开票助手 · 电子发票开具
对话式开具电子发票（数电票）：第一步免费生成发票草稿（自动校验税号、税率并算税），第二步确认开票（需 App Key，按张计费），支持开票记录查询。
Connection details
Sources and provenance
- Official MCP RegistryObserved
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