list_revit_installations

Discover all Revit versions installed on this system. Returns a list of installed Revit versions with their executable paths. Use this to check what's available before calling launch_revit.

ServerMCP server for Revit - Python
CategoryRead

How to control list_revit_installations ↓

WHAT IT DOES

What list_revit_installations does on MCP server for Revit - Python

AI agents call list_revit_installations to retrieve information from MCP server for Revit - Python without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

THE RISK

Low Risk

Why list_revit_installations needs a policy

This tool performs discovery of installed software by reading system state and returning information. It has no capability to modify, delete, execute, or trigger external operations—it only retrieves and reports existing installation data. This is a classic Read operation with minimal security risk.

From the tool's definition Tool name 'list_revit_installations' and description 'Discover all Revit versions installed on this system.

Documented attack patterns abuse exactly the kind of access list_revit_installations gives an agent:

POLICY

How to control list_revit_installations

PolicyLayer is an MCP gateway — it sits between your AI agents and MCP server for Revit - Python, and nothing reaches the server without passing your rules. This is the rule we recommend for list_revit_installations:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_revit_installations": {}
  }
}

list_revit_installations is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register MCP server for Revit - Python — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

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EXPLORE

Related tools and policies

More MCP server for Revit - Python tools

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list_revit_installations

What does the list_revit_installations tool do? +

Discover all Revit versions installed on this system. Returns a list of installed Revit versions with their executable paths. Use this to check what's available before calling launch_revit. It is categorised as a Read tool in the MCP server for Revit - Python MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_revit_installations? +

Register the MCP server for Revit - Python MCP server in PolicyLayer and add a rule for list_revit_installations: 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 Revit - Python. Nothing to install.

What risk level is list_revit_installations? +

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

Can I rate-limit list_revit_installations? +

Yes. Add a rate_limit block to the list_revit_installations 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 list_revit_installations completely? +

Set action: deny in the PolicyLayer policy for list_revit_installations. 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 list_revit_installations? +

list_revit_installations is provided by the MCP server for Revit - Python MCP server (mcp-servers-for-revit/mcp-server-for-revit-python). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every MCP server for Revit - Python tool call.

Start from MCP server for Revit - Python, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

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20 MCP server for Revit - Python tools catalogued and risk-classified — across an index of 43,000+ MCP servers.