Specialized cost breakdowns by model, user, and daily trends.
AI agents call get_cost_analysis to retrieve information from Langfuse MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and analyzes existing cost data for reporting purposes. It does not create, modify, delete, or execute operations—it only reads analytics. While the data pertains to costs, the tool itself does not move money, commit financial obligations, or perform financial transactions; it merely provides visibility into historical cost metrics. Therefore, it is classified as Read with low severity.
From the tool's definition Tool name 'get_cost_analysis' and description 'Specialized cost breakdowns by model, user, and daily trends' indicate data retrieval. Server description emphasizes 'querying' and 'analytics' with 'cost metrics and usage data'.
Attacks that exploit this kind of access
Specialized cost breakdowns by model, user, and daily trends. It is categorised as a Read tool in the Langfuse MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Langfuse MCP Server MCP server in PolicyLayer and add a rule for get_cost_analysis: 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 Langfuse MCP Server. Nothing to install.
get_cost_analysis 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 get_cost_analysis 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 get_cost_analysis. 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.
get_cost_analysis is provided by the Langfuse MCP Server MCP server (therealsachin/langfuse-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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