mittwald_extension_install · Mittwald MCP Server MCP

WHAT IT DOES

What mittwald_extension_install does on Mittwald MCP Server

AI agents use mittwald_extension_install to create or update resources in Mittwald MCP Server — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Mittwald MCP Server environment.

WHY IT NEEDS A POLICY

Why mittwald_extension_install needs a policy

Installing an extension creates or modifies project configuration and state. This is a Write operation because it creates/modifies data reversibly. Severity is medium because installing untrusted or malicious extensions could compromise project security or introduce vulnerabilities, but the action itself is not inherently destructive or financial. High confidence due to clear intent in the name and description.

From the tool's definition Tool name 'mittwald_extension_install' and description 'Install an extension in a project or organization' indicate creation/modification of project state. The action is reversible (extensions can be uninstalled), distinguishing it from destructive operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mittwald_extension_install Rate-limited

mittwald_extension_install stays usable, but capped — an agent stuck in a loop can't make hundreds of changes a minute. Everything else on the server is denied unless you say otherwise.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "mittwald_extension_install": {
      "limits": [
        {
          "counter": "mittwald_extension_install_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL →

Instant setup, no code required.

PolicyLayer is an MCP gateway: every tool call is checked against your rule before it reaches Mittwald MCP Server, so you can run agents against it safely.

FAQ

Questions about mittwald_extension_install

What does the mittwald_extension_install tool do? +

Install an extension in a project or organization. It is categorised as a Write tool in the Mittwald MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on mittwald_extension_install? +

Register the Mittwald MCP Server MCP server in PolicyLayer and add a rule for mittwald_extension_install: 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 Mittwald MCP Server. Nothing to install.

What risk level is mittwald_extension_install? +

mittwald_extension_install is a Write tool with medium risk. Write tools should be rate-limited to prevent accidental bulk modifications.

Can I rate-limit mittwald_extension_install? +

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

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

mittwald_extension_install is provided by the Mittwald MCP Server MCP server (mittwald/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.