set_stock_alert · Financial MCP Server MCP: Risk & Policy

WHAT IT DOES

What set_stock_alert does on Financial MCP Server

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

WHY IT NEEDS A POLICY

Why set_stock_alert needs a policy

The tool likely creates or updates price alert rules (a reversible Write operation) rather than executing trades or moving money. However, if alerts trigger automated trading or financial actions, severity could escalate. The empty description prevents full certainty, but the sibling tools and server purpose suggest this is configuration-based rather than immediately Financial.

From the tool's definition Tool name 'set_stock_alert' combined with context that this is a financial server with 'automated price alerts with Telegram notifications' and sibling tool 'check_stock_alerts' indicates the tool creates or modifies alert configurations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_stock_alert Rate-limited

set_stock_alert 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": {
    "set_stock_alert": {
      "limits": [
        {
          "counter": "set_stock_alert_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 Financial MCP Server, so you can run agents against it safely.

FAQ

Questions about set_stock_alert

What does the set_stock_alert tool do? +

set_stock_alert. It is categorised as a Write tool in the Financial 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 set_stock_alert? +

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

What risk level is set_stock_alert? +

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

Can I rate-limit set_stock_alert? +

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

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

set_stock_alert is provided by the Financial MCP Server MCP server (osamadev/financial_mcp_server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.