List all Jenkins nodes/agents and their status
AI agents call jenkins_list_nodes to retrieve information from Mcp Jenkins without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves status information about Jenkins nodes/agents. It is a read-only operation that queries existing data without creating, modifying, deleting, or executing any operations. The blast radius is minimal—an AI agent listing nodes cannot cause damage or affect CI/CD pipelines directly. Low severity reflects the informational nature of the operation.
From the tool's definition Tool name is 'jenkins_list_nodes' and description states 'List all Jenkins nodes/agents and their status' — this is a query operation that retrieves and displays information about Jenkins infrastructure with no modifications or side effects.
Attacks that exploit this kind of access
List all Jenkins nodes/agents and their status. It is categorised as a Read tool in the Mcp Jenkins MCP Server, which means it retrieves data without modifying state.
Register the Mcp Jenkins MCP server in PolicyLayer and add a rule for jenkins_list_nodes: 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 Mcp Jenkins. Nothing to install.
jenkins_list_nodes 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 jenkins_list_nodes 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 jenkins_list_nodes. 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.
jenkins_list_nodes is provided by the Mcp Jenkins MCP server (@kud/mcp-jenkins). 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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