list_pyroscope_label_values

Lists all available label values for a particular label name in profiles

SERVERGrafana MCP Server SOURCE0xteamhq/mcp-grafana

Low RISK CLASS

Category Read

Parameters 00 required

Recommended Allowedsee the rule below

Registry record Grade C, identity unverified Pull the record →

This record as markdown: /tools/0xteamhq-mcp-grafana/list-pyroscope-label-values.md

WHAT IT DOES

What list_pyroscope_label_values does on Grafana MCP Server

AI agents call list_pyroscope_label_values to retrieve information from Grafana MCP Server without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

RISK

Why list_pyroscope_label_values is rated Low

This tool retrieves metadata about available profiling label values without modifying, executing, or deleting any data. It has no side effects and represents a safe read operation on monitoring data. The blast radius of misuse is minimal—an agent could only spam requests or learn about the profiling system's structure, neither of which causes harm.

From the tool's definition Tool name contains 'list' and description states 'Lists all available label values' - a retrieval operation with no side effects. Pyroscope is a profiling database where querying label values is purely informational.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_pyroscope_label_values safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Grafana MCP Server, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For list_pyroscope_label_values, this is the rule to start with:

list_pyroscope_label_values Allowed

list_pyroscope_label_values is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

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

ALLOW ONLY THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Grafana MCP Server, apply this rule, and every list_pyroscope_label_values call is checked against it from then on.

FAQ

Questions about list_pyroscope_label_values

What does the list_pyroscope_label_values tool do? +

Lists all available label values for a particular label name in profiles. It is categorised as a Read tool in the Grafana MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_pyroscope_label_values? +

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

What risk level is list_pyroscope_label_values? +

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

Can I rate-limit list_pyroscope_label_values? +

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

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

list_pyroscope_label_values is provided by the Grafana MCP Server MCP server (0xteamhq/mcp-grafana). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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