int_update_action

THE RISK

Medium Risk

Why int_update_action needs a policy

This tool modifies deployment integration configurations, which is a Write operation. Severity is medium because unauthorized updates to deployment integrations could alter CI/CD pipelines, trigger unintended deployments, or change integration parameters, but effects are typically reversible and the blast radius is limited to the specific deployment integration being modified.

From the tool's definition Tool name 'int_update_action' with description 'Update deployment integration action' indicates modification of deployment integration settings.

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

POLICY

How to control int_update_action

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

policy.json

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

int_update_action 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.

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

LIMIT THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Argument validation → Checking tool call arguments against schema and policy before they run.
Scoped token → Per-person credentials that grant a defined subset of servers and tools.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about int_update_action

What does the int_update_action tool do? +

Update deployment integration action. It is categorised as a Write tool in the eToro 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 int_update_action? +

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

What risk level is int_update_action? +

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

Can I rate-limit int_update_action? +

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

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

int_update_action is provided by the eToro MCP Server MCP server (shlomico-tr/etoroportfoliomcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every eToro MCP Server tool call.

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

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