api_nfd_get_nfd_activity

THE RISK

Low Risk

Why api_nfd_get_nfd_activity needs a policy

This tool queries and retrieves historical activity or change logs for NFDs (Name-based Finance Domains or similar Algorand assets). No data is created, modified, deleted, or financial transactions are initiated. It is a straightforward data retrieval operation with no ability to alter state. Classification as Read with low severity is appropriate.

From the tool's definition Tool name 'get_nfd_activity' and description 'Get activity/changes for NFDs' indicate a retrieval/query operation. The verb 'Get' and context of fetching activity logs or historical data are characteristic of read-only operations with no side effects.

Documented attack patterns abuse exactly the kind of access api_nfd_get_nfd_activity gives an agent:

POLICY

How to control api_nfd_get_nfd_activity

PolicyLayer is an MCP gateway — it sits between your AI agents and Algorand MCP, and nothing reaches the server without passing your rules. This is the rule we recommend for api_nfd_get_nfd_activity:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "api_nfd_get_nfd_activity": {}
  }
}

api_nfd_get_nfd_activity is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Algorand MCP — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

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EXPLORE

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Go deeper

Roll out MCP under one policy → Per-person scoped tokens, one central policy, and full audit across every server your team connects.
The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →
PolicyLayer vs alternatives → How deterministic, per-call MCP policy compares with gateways, identity layers, and authorisation platforms.

FAQ

Questions about api_nfd_get_nfd_activity

What does the api_nfd_get_nfd_activity tool do? +

Get activity/changes for NFDs. It is categorised as a Read tool in the Algorand MCP MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on api_nfd_get_nfd_activity? +

Register the Algorand MCP server in PolicyLayer and add a rule for api_nfd_get_nfd_activity: 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 Algorand MCP. Nothing to install.

What risk level is api_nfd_get_nfd_activity? +

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

Can I rate-limit api_nfd_get_nfd_activity? +

Yes. Add a rate_limit block to the api_nfd_get_nfd_activity 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 api_nfd_get_nfd_activity completely? +

Set action: deny in the PolicyLayer policy for api_nfd_get_nfd_activity. 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 api_nfd_get_nfd_activity? +

api_nfd_get_nfd_activity is provided by the Algorand MCP server (goplausible/algorand-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Algorand MCP tool call.

Start from Algorand MCP, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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