Bring Digital Signatures
to Mastra AI
Learn how to connect Ugosign to Mastra AI and start using 6 AI agent tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code.
What is the Ugosign MCP Server?
Connect your Ugosign account to any AI agent to streamline your electronic signature and document approval workflows. Ugosign provides a powerful REST API for programmatically managing signature requests, tracking document statuses, and maintaining a secure audit trail of all signed agreements.
What you can do
- Signature Request Orchestration — List and create new electronic signature requests for one or more recipients with detailed tracking
- Document Lifecycle Tracking — Monitor the real-time status of your documents and signature requests from draft to fully executed
- Audit Trail Monitoring — Access detailed metadata for all signature requests to maintain a secure and compliant record of your agreements
- Organization Intelligence — Retrieve detailed information about your Ugosign organization to maintain an overview of your team's signing capacity
- Frictionless Approvals — Get a comprehensive overview of active signature requests and pending actions using natural language commands
How it works
1. Subscribe to this server
2. Enter your Ugosign API Key from your developer portal
3. Start managing your electronic signatures from Claude, Cursor, or any MCP client
Who is this for?
- Legal & Compliance Teams — monitor agreement statuses and manage audit trails more efficiently using natural language
- Sales Operations — automate the creation of signature requests for contracts and order forms
- Developers — integrate real-time electronic signature intelligence into custom business and legal dashboards
Built-in capabilities (6)
Pass data as a JSON string. Create a new signature request
Get document details
Get organization details
Get signature request details
List all documents
List all signature requests
Why Mastra AI?
Mastra's agent abstraction provides a clean separation between LLM logic and Ugosign tool infrastructure. Connect 6 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 Ugosign 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 Ugosign 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
Ugosign in Mastra AI
Ugosign and 3,400+ other MCP servers. One platform. One governance layer.
Teams that connect Ugosign 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 Ugosign in Mastra AI
The Ugosign 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 6 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
Ugosign for Mastra AI
Every tool call from Mastra AI to the Ugosign 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 get my Ugosign API Key?
Log in to your Ugosign account, navigate to the Developer API or Integrations section, and copy your secret Bearer Token.
Can I track the status of a specific signature request?
Yes, use the get_signature_request tool with the unique ID to see if it is 'pending', 'viewed', or 'signed'.
Does it support multiple recipients?
Absolutely. You can specify one or more recipients when creating a new signature request via the create_signature_request tool.
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
