get_oncall_shift
Get detailed information for a specific Grafana OnCall shift
This record as markdown: /tools/0xteamhq-mcp-grafana/get-oncall-shift.md
What get_oncall_shift does on Grafana MCP Server
AI agents call get_oncall_shift 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.
Why get_oncall_shift is rated Low
This tool retrieves existing shift information from Grafana OnCall without modifying, executing actions, or causing irreversible changes. It is a read-only query operation with minimal blast radius if misused by an AI agent, as it only exposes schedule/roster data.
From the tool's definition Tool name 'get_oncall_shift' and description 'Get detailed information for a specific Grafana OnCall shift' indicate a retrieval operation with no side effects.
Attacks that exploit this kind of access
The rule that runs get_oncall_shift 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 get_oncall_shift, this is the rule to start with:
get_oncall_shift is read-only, so it stays allowed. Everything else on the server is denied unless you say otherwise.
The button opens the PolicyLayer dashboard: create your workspace, connect Grafana MCP Server, apply this rule, and every get_oncall_shift call is checked against it from then on.
Questions about get_oncall_shift
Get detailed information for a specific Grafana OnCall shift. It is categorised as a Read tool in the Grafana MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Grafana MCP Server MCP server in PolicyLayer and add a rule for get_oncall_shift: 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.
get_oncall_shift 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_oncall_shift 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_oncall_shift. 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_oncall_shift 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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