list_oncall_teams

List teams configured in Grafana OnCall

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-oncall-teams.md

WHAT IT DOES

What list_oncall_teams does on Grafana MCP Server

AI agents call list_oncall_teams 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_oncall_teams is rated Low

This tool retrieves and enumerates team configuration data from Grafana OnCall without modifying, executing operations on, or deleting any resources. It is a pure read operation with minimal blast radius—unauthorized access would only expose team roster information, not sensitive credentials or financial data.

From the tool's definition Tool name 'list_oncall_teams' and description 'List teams configured in Grafana OnCall' indicate a query/retrieval operation with no side effects.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs list_oncall_teams 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_oncall_teams, this is the rule to start with:

list_oncall_teams Allowed

list_oncall_teams 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_oncall_teams": {}
  }
}

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_oncall_teams call is checked against it from then on.

FAQ

Questions about list_oncall_teams

What does the list_oncall_teams tool do? +

List teams configured in Grafana OnCall. 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_oncall_teams? +

Register the Grafana MCP Server MCP server in PolicyLayer and add a rule for list_oncall_teams: 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_oncall_teams? +

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

Can I rate-limit list_oncall_teams? +

Yes. Add a rate_limit block to the list_oncall_teams 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_oncall_teams completely? +

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

list_oncall_teams 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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