Lists all available label names found in profiles within a Pyroscope datasource
AI agents call list_pyroscope_label_names to retrieve information from Mcp Grafana without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool performs a simple query/retrieval of metadata (label names) from a Pyroscope datasource. It has no side effects, does not modify data, does not execute code, does not delete anything, and does not involve financial operations. The blast radius of misuse is minimal—an agent could only retrieve existing metadata about available labels, which is harmless profiling diagnostic information.
From the tool's definition Tool description states it 'Lists all available label names found in profiles' - a retrieval operation with no modification, deletion, or execution capabilities. The verb 'list' is characteristic of Read category operations.
Attacks that exploit this kind of access
Lists all available label names found in profiles within a Pyroscope datasource. It is categorised as a Read tool in the Mcp Grafana MCP Server, which means it retrieves data without modifying state.
Register the Mcp Grafana MCP server in PolicyLayer and add a rule for list_pyroscope_label_names: 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 Mcp Grafana. Nothing to install.
list_pyroscope_label_names 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 list_pyroscope_label_names 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 list_pyroscope_label_names. 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.
list_pyroscope_label_names is provided by the Mcp Grafana MCP server (@leval/mcp-grafana). 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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