Bring Sanctions Screening
to LangChain
Create your Vinkius account to connect OpenSanctions to LangChain and start using all 8 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 OpenSanctions MCP Server?
Connect to OpenSanctions and access the world's largest open sanctions and PEP screening database through natural conversation — no API key needed for non-commercial use.
What you can do
- Entity Search — Search for sanctioned persons, companies and vessels by name
- Sanctions Screening — Screen names against global sanctions lists (OFAC, EU, UN, UK HMT)
- PEP Screening — Screen persons against Politically Exposed Persons databases
- Entity Details — Get full entity info including aliases, dates of birth, nationalities and addresses
- Vessel Search — Search sanctioned vessels by name or IMO number
- Dataset Browser — Browse all available sanctions datasets worldwide
How it works
- Subscribe to this server
- No API key needed for non-commercial use
- Start screening against sanctions lists from Claude, Cursor, or any MCP-compatible client
Who is this for?
- Compliance Officers — screen clients and partners against global sanctions lists
- Financial Institutions — perform KYC/AML checks on customers and transactions
- Researchers — explore sanctions data, PEP databases and entity relationships
Built-in capabilities (8)
Returns dataset names, descriptions, publisher info and entity counts. Get list of all sanctions datasets available
Returns full entity details including names, aliases, dates of birth, nationalities, addresses, sanctions details, related entities and source datasets. Get detailed info for a specific entity by ID
Returns match scores, matched entities, political positions and source datasets. Useful for KYC/AML compliance checks. Screen a name against Politically Exposed Persons (PEP) lists
Uses fuzzy matching to find potential matches. Returns match scores, matched entities and sanction details. Use threshold parameter (0.0-1.0) to adjust sensitivity. Default 0.85. Screen a name against global sanctions lists
Returns company names, registration numbers, jurisdictions, addresses and sanctions status. Search for companies in the sanctions database
Supports free-text search with fuzzy matching. Returns entity names, types (Person, Company, Vessel), countries and dataset sources. Use schema parameter to filter by entity type (Person, Company, Vessel, etc.). Search sanctions and PEP entities by name
Returns person names, aliases, dates of birth, nationalities, countries and sanctions status. Search for persons in the sanctions database
Returns vessel names, IMO numbers, flags, owners and sanctions status. Search for vessels (ships) in the sanctions database
Why LangChain?
LangChain's ecosystem of 500+ components combines seamlessly with OpenSanctions through native MCP adapters. Connect 8 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 OpenSanctions 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 OpenSanctions queries for multi-turn workflows
OpenSanctions in LangChain
Why run OpenSanctions with Vinkius?
The OpenSanctions 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 8 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 OpenSanctions using Vinkius. You will never be left in the dark about what your AI agents are doing with your tools.
OpenSanctions and 4,000+ other AI tools. No hosting, no code, ready to use.
Professionals who connect OpenSanctions 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
OpenSanctions for LangChain
Every request between LangChain and OpenSanctions 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
Do I need an API key?
No! OpenSanctions is completely free for non-commercial use. No authentication required.
What sanctions lists are included?
OpenSanctions aggregates data from OFAC (US), EU Consolidated List, UN Security Council, UK HMT, and many other global sanctions regimes.
How accurate is the name matching?
The API uses fuzzy matching with configurable thresholds (0.0-1.0). Default threshold of 0.85 balances accuracy and recall for most use cases.
Can I screen companies, not just individuals?
Yes! Use search_company to find sanctioned companies, or use the general search with schema='Company' filter.
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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