Check for outdated npm packages in package.json using
AI agents call check_outdated to retrieve information from Project Explorer MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool retrieves and analyzes dependency version information from package.json. It has no side effects, creates no modifications, and does not execute external commands or delete data. It is purely informational, similar to 'npm outdated' which lists outdated packages without changing them. Therefore, it falls under the Read category with low severity.
From the tool's definition Tool performs 'Check for outdated npm packages' — a query operation that inspects package.json and reports version status without modifying files or executing code.
Attacks that exploit this kind of access
Check for outdated npm packages in package.json using. It is categorised as a Read tool in the Project Explorer MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Project Explorer MCP Server MCP server in PolicyLayer and add a rule for check_outdated: 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 Project Explorer MCP Server. Nothing to install.
check_outdated 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 check_outdated 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 check_outdated. 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.
check_outdated is provided by the Project Explorer MCP Server MCP server (mausrundung/mcp-explorer). 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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