Bring Electronic Contracts
to LangChain
Create your Vinkius account to connect Modusign to LangChain and start using all 10 AI tools in minutes. Fully managed, enterprise secure, and ready to use without writing a single line of code. No hosting, no server setup — just connect and start using.
GDPR Free for SubscribersCompatible with every major AI agent and IDE
Gemini
What is the Modusign MCP Server?
Connect your Modusign account to your AI agent and streamline your document signing workflows through natural conversation.
What you can do
- Document Tracking — List all electronic contracts and get real-time status updates (e.g., signed, pending).
- Deep Inspection — Fetch complete metadata and audit trails for specific documents using their IDs.
- Template Management — List your pre-defined contract templates for quick reuse.
- Signature Requests — Create new signature requests from templates with a simple natural language command.
- Automation & Webhooks — Monitor your automated signature workflows and active webhooks.
- Org Structure — Access folders and organization metadata to keep your documents organized.
How it works
- Subscribe to this server
- Enter your Modusign API Key
- Start managing your contracts from Claude, Cursor, or any MCP client
Who is this for?
- Legal & HR Teams — quickly check which employees or clients have signed their contracts.
- Sales Teams — send out signature requests for new deals directly from your CRM or chat tool.
- Operations — monitor document workflows and follow up on pending signatures without leaving your workspace.
Built-in capabilities (10)
Create document from template
Get document audit logs
Get specific document details
Get organization metadata
List signature automations
List electronic documents
List external document files
List document folders
List contract templates
List active webhooks
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Modusign through native MCP adapters. Connect 10 tools via Vinkius and use ReAct agents, Plan-and-Execute strategies, or custom agent architectures. with LangSmith tracing giving full visibility into every tool call, latency, and token cost.
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The largest ecosystem of integrations, chains, and agents. combine Modusign MCP tools with 500+ LangChain components
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Agent architecture supports ReAct, Plan-and-Execute, and custom strategies with full MCP tool access at every step
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LangSmith tracing gives you complete visibility into tool calls, latencies, and token usage for production debugging
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Memory and conversation persistence let agents maintain context across Modusign queries for multi-turn workflows
Modusign in LangChain
Why run Modusign with Vinkius?
The Modusign connection runs on our fully managed, secure cloud infrastructure. We handle the hosting, maintenance, and security so you don't have to deal with servers or code. All 10 tools are ready to work instantly without any complex setup.
You stay in complete control of your data. Your AI only accesses the information you approve, keeping your sensitive passwords and private details completely safe. Plus, with automatic optimizations, your AI works faster and more efficiently.
* Every connection is hosted and maintained by Vinkius. We handle the security, updates, and infrastructure so you don't have to write code or manage servers. See our infrastructure
Over 4,000 integrations ready for AI agents
Explore a vast library of pre-built integrations, optimized and ready to deploy.
Connect securely in under 30 seconds
Generate tokens to authenticate and link external services in a single step.
Complete visibility into every agent action
Audit live requests, latency, success rates, and active security compliance policies.
Optimize spending and track token ROI
Analyze real-time token consumption and cost metrics detailed by connection.
Explore our live AI Agents Analytics dashboard to see it all working
This dashboard is included when you connect Modusign using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Modusign and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Modusign to LangChain through Vinkius don't need to write code, manage servers, or worry about security. Everything is pre-configured, secure, and runs automatically in the background.
Raw MCP | Vinkius | |
|---|---|---|
| Ready-to-use MCPs | Find and configure each manually | 4,000+ MCPs ready to use |
| Connection Setup | Manual coding & server setup | 1-click instant connection |
| Server Hosting | You host it yourself (needs 24/7 uptime) | 100% hosted & managed by Vinkius |
| Security & Privacy | Stored in plaintext config files | Bank-grade encrypted vault |
| Activity Visibility | Blind execution (no logs or tracking) | Live dashboard with real-time logs |
| Cost Control | Runaway AI token spend risk | Automatic budget limits |
| Revoking Access | Must delete files or code to stop | 1-click disconnect button |
How Vinkius secures
Modusign for LangChain
Every request between LangChain and Modusign is protected by our secure gateway. We automatically keep your sensitive data private, prevent unauthorized access, and let you disconnect instantly at any time.
Frequently asked questions
Can I see who has already signed a document?
Yes. Use the get_document tool with the specific Document ID. The agent will return the list of participants and their respective signing status.
What is an audit log in Modusign?
An audit log records every action taken on a document, including when it was sent, opened, and signed, providing legal proof of the transaction. Use the get_audit_logs tool to retrieve this history.
How do I reuse my existing contract templates?
Use the list_templates tool to find the Template ID you need, and then provide that ID to the create_document_from_template tool along with the signer's details.
How does LangChain connect to MCP servers?
Use langchain-mcp-adapters to create an MCP client. LangChain discovers all tools and wraps them as native LangChain tools compatible with any agent type.
Which LangChain agent types work with MCP?
All agent types including ReAct, OpenAI Functions, and custom agents work with MCP tools. The tools appear as standard LangChain tools after the adapter wraps them.
Can I trace MCP tool calls in LangSmith?
Yes. All MCP tool invocations appear as traced steps in LangSmith, showing input parameters, response payloads, latency, and token usage.
MultiServerMCPClient not found
Install: pip install langchain-mcp-adapters
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