get_investment_balance

THE RISK

Low Risk

Why get_investment_balance needs a policy

This tool retrieves engineering metrics (investment balance statistics and monthly FTE data) from an external API without creating, modifying, deleting, or executing any operations. It has no side effects and returns aggregated reporting data. The low severity reflects minimal risk from unauthorized access—investment balance metrics are typically non-critical operational analytics.

From the tool's definition Tool name 'get_investment_balance' and description 'Get investment balance statistics' indicate data retrieval. The server description confirms it 'enables querying Swarmia's Export API' for 'engineering metrics' without modification capabilities.

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

POLICY

How to control get_investment_balance

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

policy.json

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

get_investment_balance 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 Swarmia 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.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

Related tools and policies

More Swarmia MCP Server tools

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All 6 Swarmia MCP Server tools →

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Go deeper

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 →

FAQ

Questions about get_investment_balance

What does the get_investment_balance tool do? +

Get investment balance statistics using the Effort model (monthly FTE data). It is categorised as a Read tool in the Swarmia MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_investment_balance? +

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

What risk level is get_investment_balance? +

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

Can I rate-limit get_investment_balance? +

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

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

get_investment_balance is provided by the Swarmia MCP Server MCP server (mattjegan/swarmia-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Swarmia MCP Server tool call.

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

CHECK YOUR STACK →