AI agents call getBuildLog to retrieve information from Jenkins without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves historical build log data from Jenkins without creating, modifying, deleting, or executing any operations. It is a pure query operation that returns information to the caller with no side effects or state changes.
From the tool's definition Tool name 'getBuildLog' and description 'Retrieve log lines for a specific build' indicates data retrieval with no modification. The mention of pagination via 'start' parameter is consistent with a read-only operation.
Attacks that exploit this kind of access
Retrieve log lines for a specific build or the last build of a Jenkins job. Supports pagination via 'start'. It is categorised as a Read tool in the Jenkins MCP Server, which means it retrieves data without modifying state.
Register the Jenkins MCP server in PolicyLayer and add a rule for getBuildLog: 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 Jenkins. Nothing to install.
getBuildLog 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 getBuildLog 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 getBuildLog. 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.
getBuildLog is provided by the Jenkins MCP server (redhat-community-ai-tools/jenkins-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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