Get information about an npm package
AI agents call getNpmPackageInfo to retrieve information from MCP Server for NPM Package Info without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool fetches and retrieves npm package information, which is a non-destructive query operation. There is no indication it modifies, deletes, or executes code. The blast radius of misuse is minimal—returning incorrect or sensitive package metadata poses low risk. Confidence is high because the purpose is explicit and unambiguous.
From the tool's definition Tool name 'getNpmPackageInfo' and description 'Get information about an npm package' indicate data retrieval. The verb 'Get' and context of querying npm package metadata confirms this is a read-only operation with no side effects.
Documented attack patterns abuse exactly the kind of access getNpmPackageInfo gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and MCP Server for NPM Package Info, and nothing reaches the server without passing your rules. This is the rule we recommend for getNpmPackageInfo:
{
"version": "1",
"default": "deny",
"tools": {
"getNpmPackageInfo": {}
}
}getNpmPackageInfo is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
Free to start. No card required.
Get information about an npm package. It is categorised as a Read tool in the MCP Server for NPM Package Info MCP Server, which means it retrieves data without modifying state.
Register the MCP Server for NPM Package Info MCP server in PolicyLayer and add a rule for getNpmPackageInfo: 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 Server for NPM Package Info. Nothing to install.
getNpmPackageInfo 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 getNpmPackageInfo 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 getNpmPackageInfo. 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.
getNpmPackageInfo is provided by the MCP Server for NPM Package Info MCP server (snyk-labs/mcp-server-npm-goof). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from MCP Server for NPM Package Info, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
Free to start. No card required.
4 MCP Server for NPM Package Info tools catalogued and risk-classified — across an index of 43,000+ MCP servers.