AI agents call package_files to retrieve information from Socket 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 lists files from a package—a read-only operation with no side effects, data modification, or code execution. The blast radius of misuse is minimal, as an AI agent could only retrieve information about package contents. It belongs in the Read category with low severity.
From the tool's definition Tool name 'package_files' and description 'List the files published in a package' indicate retrieval/query of file metadata without modification, deletion, or execution.
Documented attack patterns abuse exactly the kind of access package_files gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Socket MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for package_files:
{
"version": "1",
"default": "deny",
"tools": {
"package_files": {}
}
}package_files is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List the files published in a package using the. It is categorised as a Read tool in the Socket MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Socket MCP Server MCP server in PolicyLayer and add a rule for package_files: 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 Socket MCP Server. Nothing to install.
package_files 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 package_files 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 package_files. 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.
package_files is provided by the Socket MCP Server MCP server (socketdev/socket-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Deterministic rules across all 7 Socket MCP Server tools. Per-identity grants. Full audit log. Live in minutes. Nothing to install.
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7 Socket MCP Server tools catalogued and risk-classified — across an index of 42,500+ MCP servers.