OpenSanctions MCP Server for Mastra AI 8 tools — connect in under 2 minutes
Mastra AI is a TypeScript-native agent framework built for modern web stacks. Connect OpenSanctions through the Vinkius and Mastra agents discover all tools automatically — type-safe, streaming-ready, and deployable anywhere Node.js runs.
ASK AI ABOUT THIS MCP SERVER
Vinkius supports streamable HTTP and SSE.
import { Agent } from "@mastra/core/agent";
import { createMCPClient } from "@mastra/mcp";
import { openai } from "@ai-sdk/openai";
async function main() {
// Your Vinkius token — get it at cloud.vinkius.com
const mcpClient = await createMCPClient({
servers: {
"opensanctions": {
url: "https://edge.vinkius.com/[YOUR_TOKEN_HERE]/mcp",
},
},
});
const tools = await mcpClient.getTools();
const agent = new Agent({
name: "OpenSanctions Agent",
instructions:
"You help users interact with OpenSanctions " +
"using 8 tools.",
model: openai("gpt-4o"),
tools,
});
const result = await agent.generate(
"What can I do with OpenSanctions?"
);
console.log(result.text);
}
main();
* 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
About 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.
Mastra's agent abstraction provides a clean separation between LLM logic and OpenSanctions tool infrastructure. Connect 8 tools through the 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.
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
The OpenSanctions MCP Server exposes 8 tools through the Vinkius. Connect it to Mastra AI in under two minutes — no API keys to rotate, no infrastructure to provision, no vendor lock-in. Your configuration, your data, your control.
How to Connect OpenSanctions to Mastra AI via MCP
Follow these steps to integrate the OpenSanctions MCP Server with Mastra AI.
Install dependencies
Run npm install @mastra/core @mastra/mcp @ai-sdk/openai
Replace the token
Replace [YOUR_TOKEN_HERE] with your Vinkius token
Run the agent
Save to agent.ts and run with npx tsx agent.ts
Explore tools
Mastra discovers 8 tools from OpenSanctions via MCP
Why Use Mastra AI with the OpenSanctions MCP Server
Mastra AI provides unique advantages when paired with OpenSanctions through the Model Context Protocol.
Mastra's agent abstraction provides a clean separation between LLM logic and tool infrastructure — add OpenSanctions without touching business code
Built-in workflow engine chains MCP tool calls with conditional logic, retries, and parallel execution for complex automation
TypeScript-native: full type inference for every OpenSanctions tool response with IDE autocomplete and compile-time checks
One-command deployment to any Node.js host — Vercel, Railway, Fly.io, or your own infrastructure
OpenSanctions + Mastra AI Use Cases
Practical scenarios where Mastra AI combined with the OpenSanctions MCP Server delivers measurable value.
Automated workflows: build multi-step agents that query OpenSanctions, process results, and trigger downstream actions in a typed pipeline
SaaS integrations: embed OpenSanctions as a first-class tool in your product's AI features with Mastra's clean agent API
Background jobs: schedule Mastra agents to query OpenSanctions on a cron and store results in your database automatically
Multi-agent systems: create specialist agents that collaborate using OpenSanctions tools alongside other MCP servers
OpenSanctions MCP Tools for Mastra AI (8)
These 8 tools become available when you connect OpenSanctions to Mastra AI via MCP:
get_datasets
Returns dataset names, descriptions, publisher info and entity counts. Get list of all sanctions datasets available
get_entity
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
match_pep
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
match_sanctions
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
search_company
Returns company names, registration numbers, jurisdictions, addresses and sanctions status. Search for companies in the sanctions database
search_entities
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
search_person
Returns person names, aliases, dates of birth, nationalities, countries and sanctions status. Search for persons in the sanctions database
search_vessel
Returns vessel names, IMO numbers, flags, owners and sanctions status. Search for vessels (ships) in the sanctions database
Example Prompts for OpenSanctions in Mastra AI
Ready-to-use prompts you can give your Mastra AI agent to start working with OpenSanctions immediately.
"Screen 'Vladimir Putin' against sanctions lists."
"Search for companies sanctioned in Russia."
"What sanctions datasets are available?"
Troubleshooting OpenSanctions MCP Server with Mastra AI
Common issues when connecting OpenSanctions to Mastra AI through the Vinkius, and how to resolve them.
createMCPClient not exported
npm install @mastra/mcpOpenSanctions + Mastra AI FAQ
Common questions about integrating OpenSanctions MCP Server with Mastra AI.
How does Mastra AI connect to MCP servers?
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?
Does Mastra support workflow orchestration?
Connect OpenSanctions with your favorite client
Step-by-step setup guides for every MCP-compatible client and framework:
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Python SDK for building production-grade OpenAI agent workflows.
Google's framework for building production AI agents.
Type-safe agent development for Python with first-class MCP support.
TypeScript toolkit for building AI-powered web applications.
TypeScript-native agent framework for modern web stacks.
Python framework for orchestrating collaborative AI agent crews.
Leading Python framework for composable LLM applications.
Data-aware AI agent framework for structured and unstructured sources.
Microsoft's framework for multi-agent collaborative conversations.
Connect OpenSanctions to Mastra AI
Get your token, paste the configuration, and start using 8 tools in under 2 minutes. No API key management needed.