get_package_code · PyPI Package MCP Server MCP

WHAT IT DOES

What get_package_code does on PyPI Package MCP Server

AI agents call get_package_code to retrieve information from PyPI Package MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

WHY IT NEEDS A POLICY

Why get_package_code needs a policy

This tool retrieves and reads package source code from PyPI. The server explicitly describes read operations ('fetch', 'explore', 'analyze', 'reading') and lists sibling tools for information retrieval (get_package_info, list_package_files, search_pypi_packages), all indicating a data retrieval capability with no side effects.

From the tool's definition Tool name 'get_package_code' combined with server description stating it 'fetch[es], explore[s], and analyze[s] source code from any Python package' and 'reading specific code' indicates a read-only operation that retrieves source code without modification.

Attacks that exploit this kind of access

Questions about get_package_code

What does the get_package_code tool do? +

get_package_code. It is categorised as a Read tool in the PyPI Package MCP Server MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on get_package_code? +

Register the PyPI Package MCP Server MCP server in PolicyLayer and add a rule for get_package_code: 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 PyPI Package MCP Server. Nothing to install.

What risk level is get_package_code? +

get_package_code is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit get_package_code? +

Yes. Add a rate_limit block to the get_package_code 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.

How do I block get_package_code completely? +

Set action: deny in the PolicyLayer policy for get_package_code. 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.

What MCP server provides get_package_code? +

get_package_code is provided by the PyPI Package MCP Server MCP server (qvakk/python-package-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.