AI agents call cribl_getPipelines 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 queries and retrieves pipeline definitions from a specified worker group without creating, modifying, deleting, or executing any operations. It is a straightforward read operation that returns configuration data.
From the tool's definition Tool name 'getPipelines' and description 'Fetches pipeline definitions' indicate a retrieval operation with no modification or side effects.
Attacks that exploit this kind of access
Fetches pipeline definitions in a specified 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_getPipelines: 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_getPipelines 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_getPipelines 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_getPipelines. 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_getPipelines 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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