count_metrics
Count Metrics telemetry records in OneUptime, optionally filtered. Prefer counting with a time-range filter.
This record as markdown: /tools/com-oneuptime-mcp/count-metrics.md
What count_metrics does on OneUptime
AI agents call count_metrics to retrieve information from OneUptime without modifying anything. It is typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
| Parameter | Type | Required | Description |
|---|---|---|---|
query | object | — | Optional filter criteria. Each field accepts a direct value (exact match) or an operator object {"_type": "<Operator>", "value": ...}. Operators: EqualTo, NotEq |
Parameters from the server's own tool schema.
Why count_metrics is rated Low
Even though count_metrics only reads data, uncontrolled read access leaks sensitive information and racks up API costs: an agent caught in a retry loop can make thousands of calls a minute without anyone noticing.
Risk signalsHigh parameter count (41 properties)
Attacks that exploit this kind of access
The rule that runs count_metrics safely
PolicyLayer is an MCP gateway: it sits between your AI agents and OneUptime, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For count_metrics, this is the rule to start with:
count_metrics 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 OneUptime, apply this rule, and every count_metrics call is checked against it from then on.
Questions about count_metrics
Count Metrics telemetry records in OneUptime, optionally filtered. Prefer counting with a time-range filter. It is categorised as a Read tool in the OneUptime MCP Server, which means it retrieves data without modifying state.
count_metrics accepts 1 parameter: query. The full parameter table on this page comes from the server's own tool schema.
Register the OneUptime MCP server in PolicyLayer and add a rule for count_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 OneUptime. Nothing to install.
count_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 count_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 count_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.
count_metrics is provided by the OneUptime MCP server (https://oneuptime.com/mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
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