Prefab card: Grafana dashboard list (read-only).
AI agents call observability_grafana_dashboards_card to retrieve information from Observability MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves observability data (dashboard configurations) for viewing purposes only. It has no side effects, cannot modify data, execute operations, or cause harm. The read-only restriction explicitly prevents any write or destructive actions. Severity is low because dashboards are typically non-sensitive summary data and the tool cannot change system state.
From the tool's definition Tool is explicitly described as 'read-only' and provides a 'Grafana dashboard list', which retrieves and displays pre-configured dashboard information without modification capabilities.
Attacks that exploit this kind of access
Prefab card: Grafana dashboard list (read-only). It is categorised as a Read tool in the Observability MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Observability MCP Server MCP server in PolicyLayer and add a rule for observability_grafana_dashboards_card: 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 Observability MCP Server. Nothing to install.
observability_grafana_dashboards_card 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 observability_grafana_dashboards_card 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 observability_grafana_dashboards_card. 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.
observability_grafana_dashboards_card is provided by the Observability MCP Server MCP server (sandraschi/observability-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Every MCP server has a record like this.
Type a name, get the same breakdown: verified identity, auth posture, risk grade, capabilities, recommended policy.
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