Bring Sproof
to Mastra AI
Learn how to connect Sproof to Mastra AI and start using 11 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Sproof MCP Server?
Connect your Sproof account to any AI agent to automate your European-compliant digital signature workflows. Sproof provides a premier platform for qualified electronic signatures (QES), and this integration allows you to retrieve document metadata, monitor signature requests, and manage contacts through natural conversation.
What you can do
- Document Orchestration — List all managed documents and retrieve detailed profile metadata, including signature status programmatically.
- Signature Request Control — Create and monitor signature requests to ensure your legal documents are executed efficiently directly from the AI interface.
- Contact Management — Access and monitor your contact database to keep your signer records synchronized via natural language.
- Profile & Account Oversight — Retrieve detailed account profile metadata and monitor system usage to ensure your signature pipeline is optimized.
- Compliance Monitoring — Track document validity and signature authenticity using simple AI commands.
How it works
1. Subscribe to this server
2. Enter your Sproof API Key from your account settings
3. Start managing your digital signatures from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Legal & Compliance Officers — quickly retrieve document statuses and monitor signature requests without switching apps.
- HR Managers — automate the sending of employment contracts for signature via natural conversation.
- Administrative Leads — streamline the management of signed documents and monitor contact metadata directly within the chat.
Built-in capabilities (11)
Cancel a pending signature request
Create a new contact for signing
Pass data as a JSON string. Create a new signature request
Get document details
Get account profile details
Get details for a signature request
Get the audit trail for a signature request
List all contacts
List all documents
List all signature requests
List all signers for a signature request
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and Sproof tool infrastructure. Connect 11 tools through Vinkius and use Mastra's built-in workflow engine to chain tool calls with conditional logic, retries, and parallel execution. deployable to any Node.js host in one command.
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Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure. add Sproof without touching business code
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Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
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TypeScript-native: full type inference for every Sproof tool response with IDE autocomplete and compile-time checks
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One-command deployment to any Node.js host. Vercel, Railway, Fly.io, or your own infrastructure
Sproof in Mastra AI
Sproof and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Sproof to Mastra AI through Vinkius don't need to source, host, or maintain individual MCP servers. Every tool call runs inside a hardened runtime with credential isolation, DLP, and a signed audit chain.
Raw MCP | Vinkius | |
|---|---|---|
| Server catalog | Find and host yourself | 3,400+ managed |
| Infrastructure | Self-hosted | Sandboxed V8 isolates |
| Credential handling | Plaintext in config | Vault + runtime injection |
| Data loss prevention | None | Configurable DLP policies |
| Kill switch | None | Global instant shutdown |
| Financial circuit breakers | None | Per-server limits + alerts |
| Audit trail | None | Ed25519 signed logs |
| SIEM log streaming | None | Splunk, Datadog, Webhook |
| Honeytokens | None | Canary alerts on leak |
| Custom domains | Not applicable | DNS challenge verified |
| GDPR compliance | Manual effort | Automated purge + export |
Why teams choose Vinkius for Sproof in Mastra AI
The Sproof MCP Server runs on Vinkius-managed infrastructure inside AWS — a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts. All 11 tools execute in hardened sandboxes optimized for native MCP execution.
Your AI agents in Mastra AI 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, zero maintenance.

* Every MCP server runs on Vinkius-managed infrastructure inside AWS - a purpose-built runtime with per-request V8 isolates, Ed25519 signed audit chains, and sub-40ms cold starts optimized for native MCP execution. See our infrastructure
How Vinkius secures
Sproof for Mastra AI
Every tool call from Mastra AI to the Sproof MCP Server is protected by DLP redaction, cryptographic audit chains, V8 sandbox isolation, kill switch, and financial circuit breakers.
Frequently asked questions
How do I find my Sproof API Key?
Log in to your Sproof account, navigate to Account Settings > API, and you will find your unique secret API Key there.
How does Mastra AI connect to MCP servers?
Create an MCPClient with the server URL and pass it to your agent. Mastra discovers all tools and makes them available with full TypeScript types.
Can Mastra agents use tools from multiple servers?
Yes. Pass multiple MCP clients to the agent constructor. Mastra merges all tool schemas and the agent can call any tool from any server.
Does Mastra support workflow orchestration?
Yes. Mastra has a built-in workflow engine that lets you chain MCP tool calls with branching logic, error handling, and parallel execution.
createMCPClient not exported
Install: npm install @mastra/mcp
