// MCP TOOL REFERENCE

VENV TOOLS

6 tools from the Venv MCP Server, categorised by risk level.

// ALL 6 VENV TOOLS

WRITE 4 tools

Write add_package Add package to pyproject.toml and update the virtual environment. Returns True if successful. Write add_packages Add many packages to pyproject.toml at once and update the virtual environment. Write init Initialize virtual environment. Returns True if successful. Write sync Sync pyproject.toml with virtual environment. Returns True if successful.

DESTRUCTIVE 1 tools

Destructive remove_package Remove package from pyproject.toml file and update the virtual environment. Returns True if successful.

EXECUTE 1 tools

Execute run_in_venv Run a command in virtual environment. Returns True if successful.

// FAQ

How many tools does the Venv MCP server have? +

The Venv MCP server exposes 6 tools across 3 categories: Write, Destructive, Execute.

How do I enforce policies on Venv tools? +

Route the Venv server through the PolicyLayer gateway. Define allow, deny, or approval rules per tool in the dashboard; they are enforced on every call before it reaches the server.

What risk categories do Venv tools fall into? +

Venv tools are categorised as Write (4), Destructive (1), Execute (1). Each category has a recommended default policy.

Enforce policy on every Venv tool call.

Start from Venv, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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