get_oncall_shift_metrics
AI agents call get_oncall_shift_metrics to retrieve information from Rootly without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
The 'get_' prefix is a strong indicator of read-only retrieval with no side effects. The tool appears to fetch oncall shift metrics data for visibility/monitoring purposes. No creation, modification, deletion, or external execution is implied. Low severity due to minimal blast radius if misused by an agent—it would only expose operational metrics data.
From the tool's definition Tool name 'get_oncall_shift_metrics' uses the verb 'get', which retrieves data. Description is empty, but the naming pattern and context among sibling tools (which include 'get_' prefixed read operations like 'get_alert_by_short_id', 'get_incident',…
Documented attack patterns abuse exactly the kind of access get_oncall_shift_metrics gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Rootly, and nothing reaches the server without passing your rules. This is the rule we recommend for get_oncall_shift_metrics:
{
"version": "1",
"default": "deny",
"tools": {
"get_oncall_shift_metrics": {}
}
}get_oncall_shift_metrics is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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get_oncall_shift_metrics. It is categorised as a Read tool in the Rootly MCP Server, which means it retrieves data without modifying state.
Register the Rootly MCP server in PolicyLayer and add a rule for get_oncall_shift_metrics: 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 Rootly. Nothing to install.
get_oncall_shift_metrics 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_metrics 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_metrics. 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_metrics is provided by the Rootly MCP server (https://mcp.rootly.com/sse). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Rootly, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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20 Rootly tools catalogued and risk-classified — across an index of 43,000+ MCP servers.