Bring Contract Lifecycle
to LangChain
Create your Vinkius account to connect Common Paper 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 Common Paper MCP Server?
Connect your Common Paper account to any AI agent and manage your commercial contracts through natural conversation.
What you can do
- Agreement Management — List all signed agreements, check the status of pending contracts, and retrieve details for any specific document.
- Contract Creation — Send new agreements such as NDAs, Cloud Service Agreements (CSA), and DPAs directly to partners using predefined templates.
- Workflow Automation — Streamline your internal processes by programmatically fetching agreement data and triggering contract actions.
How it works
- Subscribe to this server
- Enter your Common Paper API Key
- Start managing your contracts through Claude, Cursor, or any MCP-compatible client
No more manual drafting or navigating complex legal platforms. Your AI agent becomes your contracting assistant.
Who is this for?
- Sales Teams — quickly send out NDAs or Service Agreements to prospects and track signatures without leaving your workflow.
- Legal Operations — audit executed contracts and monitor agreement statuses across the organization.
- Founders & Executives — streamline the legal boilerplate required to close deals faster.
Built-in capabilities (10)
Configure a new webhook to receive contract status updates
Remove a previously configured webhook
Retrieve detailed information about a specific agreement
Retrieve details of a specific contract template
Retrieve a list of agreements (contracts) from Common Paper
Quickly list all agreements that have been fully signed
Retrieve a list of contract templates available in your account
Retrieve a list of configured webhooks
Find agreements associated with a specific recipient email
Create and send a new agreement based on a template
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with Common Paper 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 Common Paper 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 Common Paper queries for multi-turn workflows
Common Paper in LangChain
Why run Common Paper with Vinkius?
The Common Paper 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 Common Paper using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
Common Paper and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect Common Paper 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
Common Paper for LangChain
Every request between LangChain and Common Paper 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
How do I get my Common Paper API key?
You can generate an API key in your Common Paper account under Settings > Integrations.
Which agreement types are supported?
Common Paper supports standard contracts like NDAs, Cloud Service Agreements (CSA), and Data Processing Agreements (DPA).
Can I use custom templates?
Yes, you can use any template created in your Common Paper account by providing its unique template ID to the 'send_agreement' tool.
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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