Koskamo

US OFAC Sanctions Screening MCP

A remote MCP server that allows AI agents to screen names against the US Treasury OFAC SDN list. It supports single-name checks for free users and batch screening of up to 200 names for subscribers, providing audit-ready output with match scores and sanctions program details.

Endpoint and access

No sign-in to connect and list tools. Individual tools may still need a vendor account, credentials, or permissions; check the documented prerequisites.

US OFAC Sanctions Screening MCP logo, by Donnie MorrisonCommunity listingStreamable HTTPNo sign-inEndpoint checked 2026-11-01Published by Donnie Morrison
MCP endpoint (Streamable HTTP)
https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp
Vendor documentation

What you can do with it

  • Screen one person, company, or vessel name against the OFAC SDN list
  • Batch-screen up to 200 names with adjustable threshold
  • Retrieve SDN entries by sanctions program code

Source and maintenance

Community listingRegistry 1.0.0
mcp-registry: io.github.donniertf-hub/us-sanctions-screen-mcp@1.0.0Source repositoryProject website
Maintenance checked

Protocol and capabilities

Server
us-sanctions-screen-mcp 1.0.0
MCP protocol
2025-06-18
Tools
3 advertised
Resources
Not advertised
Resource templates
Not advertised
Prompts
Not advertised
Server-advertised capabilities
{
  "tools": {
    "listChanged": false
  }
}

Server-provided instructions

Untrusted server output shown for inspection. It is not Koskamo guidance and is excluded from knowledge search.

US OFAC Sanctions Screening. ofac_check is free. Subscribe ($19/month, cancel anytime) at https://us-sanctions-screen-mcp.donniertf.workers.dev/buy for the paid tools, then pass access_token.

Tools

3 advertised

ofac_check
Advertised by the server during the last successful anonymous check.

FREE. Screen one person/company/vessel name against the OFAC SDN list (with aliases). Best 3 matches with score.

ofac_check input schema
{
  "type": "object",
  "required": [
    "name"
  ],
  "properties": {
    "name": {
      "type": "string"
    }
  }
}
batch_screen
Advertised by the server during the last successful anonymous check.

PRO. Screen up to 200 names at once with adjustable threshold; audit-ready output with list version and timestamp.

batch_screen input schema
{
  "type": "object",
  "required": [
    "names"
  ],
  "properties": {
    "names": {
      "type": "array",
      "items": {
        "type": "string"
      }
    },
    "threshold": {
      "type": "number"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}
program_list
Advertised by the server during the last successful anonymous check.

PRO. SDN entries by sanctions program code (e.g. RUSSIA-EO14024, IRAN, SDGT, CYBER2).

program_list input schema
{
  "type": "object",
  "required": [
    "program"
  ],
  "properties": {
    "limit": {
      "type": "number"
    },
    "program": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  }
}

Prompts

Not advertised

No prompt definitions available.

Resources

Not advertised

No resource definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
944 ms
95th percentile latency
944 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 944 ms · metadata changed · 3 tool(s)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http us-ofac-sanctions-screening-mcp https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add us-ofac-sanctions-screening-mcp --url https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable us-ofac-sanctions-screening-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "us-ofac-sanctions-screening-mcp": {
      "url": "https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "us-ofac-sanctions-screening-mcp": {
      "type": "streamableHttp",
      "url": "https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start us-ofac-sanctions-screening-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "us-ofac-sanctions-screening-mcp": {
      "type": "http",
      "url": "https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http us-ofac-sanctions-screening-mcp https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "us-ofac-sanctions-screening-mcp": {
      "url": "https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "us-ofac-sanctions-screening-mcp": {
      "serverUrl": "https://us-sanctions-screen-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Let your agent find its tools

Find servers like US OFAC Sanctions Screening MCP from your agent. Add Koskamo once to search the index for endpoints, access requirements, and client setup. Public discovery needs no key.

Connect Koskamo Explore workflows
See all 4,762