ShangQian / 上上签 (BestSign) MCP Server
China's leading digital signature platform — manage contracts, register users, and automate signatures via AI.
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What is the ShangQian / 上上签 (BestSign) MCP Server?
The ShangQian / 上上签 (BestSign) MCP Server gives AI agents like Claude, ChatGPT, and Cursor direct access to ShangQian / 上上签 (BestSign) via 8 tools. China's leading digital signature platform — manage contracts, register users, and automate signatures via AI. Powered by the Vinkius - no API keys, no infrastructure, connect in under 2 minutes.
Built-in capabilities (8)
Tools for your AI Agents to operate ShangQian / 上上签 (BestSign)
Ask your AI agent "List all contract templates in my ShangQian account." and get the answer without opening a single dashboard. With 8 tools connected to real ShangQian / 上上签 (BestSign) data, your agents reason over live information, cross-reference it with other MCP servers, and deliver insights you would spend hours assembling manually.
Works with Claude, ChatGPT, Cursor, and any MCP-compatible client. Powered by the Vinkius - your credentials never touch the AI model, every request is auditable. Connect in under two minutes.
Why teams choose Vinkius
One subscription gives you access to thousands of MCP servers - and you can deploy your own to the Vinkius Edge. Your AI agents only access the data you authorize, with DLP that blocks sensitive information from ever reaching the model, kill switch for instant shutdown, and up to 60% token savings. Enterprise-grade infrastructure and security, zero maintenance.
Build your own MCP Server with our secure development framework →Vinkius works with every AI agent you already use
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ShangQian / 上上签 (BestSign) MCP Server capabilities
8 toolsCreate signature contract
Get contract metadata
Get download URL
Get user certificate
Register a new user
Sign contract
Upload new template
Verify user identity
What the ShangQian / 上上签 (BestSign) MCP Server unlocks
Empower your AI agent to orchestrate your digital document workflows and electronic signatures with ShangQian (BestSign / 上上签), the premier B2B digital signature platform in China. By connecting ShangQian to your agent, you transform complex contract lifecycle management, user identity verification (KYC), and signature orchestration into a natural conversation. Your agent can instantly register new personal or enterprise users, initialize contracts from pre-defined templates, retrieve detailed contract statuses, and even generate secure download links for executed documents without you ever needing to navigate the comprehensive BestSign Management Portal. Whether you are automating HR onboarding or coordinating high-volume commercial agreements, your agent acts as a real-time contract coordinator, providing accurate and fast results from a single, authorized source.
What you can do
- User Orchestration — Register new users, verify digital certificates, and perform KYC identity checks.
- Contract Management — Create signature-ready contracts using templates and monitor real-time completion status.
- Template Automation — List and audit your library of contract templates and upload new document definitions.
- Execution Control — Trigger signature operations for authorized accounts and retrieve finalized PDF documents.
- Operational Monitoring — Verify API connectivity and monitor system health to ensure signature reliability.
How it works
1. Subscribe to this server
2. Enter your ShangQian Developer ID and RT Secret
3. Start managing your digital signatures through Claude, Cursor, or any MCP-compatible client
Who is this for?
- Legal & Compliance Teams — automate contract status tracking and identity auditing through natural language.
- HR & Operations — coordinate employee onboarding and commercial agreement signing directly from your workspace.
- Developers — integrate professional-grade digital signature APIs into your AI-driven daily routines.
- BestSign Power Users — integrate your existing signature projects into your AI-driven daily routines.
Frequently asked questions about the ShangQian / 上上签 (BestSign) MCP Server
How do I find my ShangQian Developer ID and Secret?
Log in to the BestSign Developer Platform, navigate to the 'Application Management' or 'Credentials' section to find your unique Developer ID and RT Secret.
What is the 'account' identifier?
The account identifier is a unique string used to identify a user in the ShangQian system, typically a mobile phone number or an email address. It is required for registration and signing operations.
Does this server handle HMAC-SHA1 signatures?
Yes! The server automatically calculates the required HMAC-SHA1 signature using your RT Secret for every request, ensuring secure authorized communication with the ShangQian API.
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Give your AI agents the power of ShangQian / 上上签 (BestSign) MCP Server
Production-grade ShangQian / 上上签 (BestSign) MCP Server. Verified, monitored, and maintained by Vinkius. Ready for your AI agents — connect and start using immediately.






