crypto.address-screen

Sanctions-screen a crypto wallet address against the US Treasury OFAC SDN list

SERVERMcp SOURCE@2sio/mcp

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-2s-io-mcp/crypto.address-screen.md

WHAT IT DOES

What crypto.address-screen does on Mcp

AI agents call crypto.address-screen to retrieve information from Mcp without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why crypto.address-screen is rated Low

The tool retrieves and checks data (OFAC SDN list status for an address) without modifying, deleting, executing code, or moving funds. It is purely informational/query-based, matching the Read category. Severity is low because misuse would only result in incorrect screening information, with no irreversible consequences or financial impact.

From the tool's definition Tool performs 'sanctions-screen' operation which queries/compares a crypto wallet address against the US Treasury OFAC SDN list. This is a lookup and comparison operation with no side effects on data or systems.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs crypto.address-screen safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Mcp, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For crypto.address-screen, this is the rule to start with:

crypto.address-screen Allowed

crypto.address-screen is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "crypto.address-screen": {}
  }
}

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Mcp, apply this rule, and every crypto.address-screen call is checked against it from then on.

FAQ

Questions about crypto.address-screen

What does the crypto.address-screen tool do? +

Sanctions-screen a crypto wallet address against the US Treasury OFAC SDN list. It is categorised as a Read tool in the Mcp MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on crypto.address-screen? +

Register the MCP server in PolicyLayer and add a rule for crypto.address-screen: allow, deny, rate-limit, or require approval. Point your MCP client at the PolicyLayer proxy URL and the rule is enforced on every call, before it reaches Mcp. Nothing to install.

What risk level is crypto.address-screen? +

crypto.address-screen is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit crypto.address-screen? +

Yes. Add a rate_limit block to the crypto.address-screen rule in your PolicyLayer policy. For example, setting max: 10 and window: 60 limits the tool to 10 calls per minute. Rate limits are tracked per agent session and reset automatically.

How do I block crypto.address-screen completely? +

Set action: deny in the PolicyLayer policy for crypto.address-screen. The AI agent will receive a policy violation error and cannot call the tool. You can also include a reason field to explain why the tool is blocked.

What MCP server provides crypto.address-screen? +

crypto.address-screen is provided by the MCP server (@2sio/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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