supplier-verification

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zbl1998-sdjn / china-usci-mcp

MCP server for offline validation of the 18-character Unified Social Credit Identifier on a mainland China business licence (GB 32100-2015). No registry queries; states what a passing code does not prove.

osint mcp due-diligence china kyc check-digit usci mcp-server modelcontextprotocol supplier-verification

Updated Sep 19, 2026
JavaScript

zbl1998-sdjn / china-usci

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Parse and verify the 18-character Unified Social Credit Identifier on a Chinese business licence (GB 32100-2015). Offline, zero dependencies, explicit about what a passing code does not prove.

osint due-diligence china zero-dependencies usci supplier-verification gb32100 unified-social-credit-code

Updated Aug 11, 2026
JavaScript

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