AI agents call cribl_getPipelineConfig to retrieve information from Cribl without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves data (pipeline configuration) without modifying or executing anything. It is a pure read operation that queries existing state. While configuration data may be sensitive, the tool itself performs no destructive or executable action.
From the tool's definition Tool name contains 'get' and description explicitly states 'Retrieves full configuration JSON' with no mention of modification, deletion, or side effects.
Attacks that exploit this kind of access
Retrieves full configuration JSON for a specified pipeline in a worker group. It is categorised as a Read tool in the Cribl MCP Server, which means it retrieves data without modifying state.
Register the Cribl MCP server in PolicyLayer and add a rule for cribl_getPipelineConfig: 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 Cribl. Nothing to install.
cribl_getPipelineConfig 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 cribl_getPipelineConfig 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 cribl_getPipelineConfig. 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.
cribl_getPipelineConfig is provided by the Cribl MCP server (pebbletek/cribl-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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