Get all nodes from Jenkins
AI agents call get_all_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 is a read-only operation that queries and retrieves information about Jenkins nodes (agents/workers) without side effects. Severity is medium rather than low because node information (hostnames, IP addresses, credentials storage locations, agent types) can inform reconnaissance for lateral movement or privilege escalation attacks if disclosed to an unauthorized AI agent.
From the tool's definition Tool name 'get_all_nodes' and description 'Get all nodes from Jenkins' indicate data retrieval with no modification. Returns a list of Jenkins nodes/agents.
Attacks that exploit this kind of access
Get all nodes from Jenkins. 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 get_all_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.
get_all_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 get_all_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 get_all_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.
get_all_nodes is provided by the Mcp Jenkins MCP server (lanbaoshen/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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