mine_add_to_list · AGR MCP Server MCP: Risk & Policy

WHAT IT DOES

What mine_add_to_list does on AGR MCP Server

AI agents use mine_add_to_list to create or update resources in AGR MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your AGR MCP Server environment.

WHY IT NEEDS A POLICY

Why mine_add_to_list needs a policy

This tool creates or modifies data (adds items to a list) in a reversible manner. It does not execute arbitrary code, trigger external operations with unpredictable side effects, delete data irreversibly, or move money. The context—a genomics data query system—indicates this is standard data write functionality (e.g., adding genes or results to a user's saved list).

From the tool's definition Tool name 'mine_add_to_list' and description 'Add items to an existing list' indicate a reversible modification operation. The mention of ALLIANCEMINE_TOKEN suggests authenticated list management within the AGR MCP server's data infrastructure.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mine_add_to_list Rate-limited

mine_add_to_list stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "mine_add_to_list": {
      "limits": [
        {
          "counter": "mine_add_to_list_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches AGR MCP Server, so you can run agents against it safely.

FAQ

Questions about mine_add_to_list

What does the mine_add_to_list tool do? +

Add items to an existing list. Requires ALLIANCEMINE_TOKEN environment variable. It is categorised as a Write tool in the AGR MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mine_add_to_list? +

Register the AGR MCP Server MCP server in PolicyLayer and add a rule for mine_add_to_list: 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 AGR MCP Server. Nothing to install.

What risk level is mine_add_to_list? +

mine_add_to_list is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit mine_add_to_list? +

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

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

mine_add_to_list is provided by the AGR MCP Server MCP server (nuin/agr-mcp-server-js). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.