Aggregate cost, revenue, and margin across the whole workspace over a rolling
AI agents call margint_cost_overview to retrieve information from Margint Ai without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and queries financial overview data for informational purposes only. It has no side effects—it does not create, modify, delete, or execute operations. While it concerns financial data, it only reads/reports financial metrics rather than moving money or committing financial obligations, so it does not qualify as 'Financial' category.
From the tool's definition Tool name 'margint_cost_overview' and description indicate retrieval of aggregate cost, revenue, and margin data across the workspace. No modification, deletion, or execution of external operations is mentioned.
Attacks that exploit this kind of access
Aggregate cost, revenue, and margin across the whole workspace over a rolling. It is categorised as a Read tool in the Margint Ai MCP Server, which means it retrieves data without modifying state.
Register the Margint Ai MCP server in PolicyLayer and add a rule for margint_cost_overview: 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 Margint Ai. Nothing to install.
margint_cost_overview is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the margint_cost_overview 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.
Set action: deny in the PolicyLayer policy for margint_cost_overview. 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.
margint_cost_overview is provided by the Margint Ai MCP server (margint-ai/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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