spaces_activate · Musubix MCP: Risk & Policy

WHAT IT DOES

What spaces_activate does on Musubix

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

WHY IT NEEDS A POLICY

Why spaces_activate needs a policy

An AI agent can call spaces_activate faster than any human can review — one bad instruction and it creates or modifies resources in Musubix by the hundred, each call as confident as the last.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

spaces_activate Rate-limited

spaces_activate 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": {
    "spaces_activate": {
      "limits": [
        {
          "counter": "spaces_activate_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 Musubix, so you can run agents against it safely.

FAQ

Questions about spaces_activate

What does the spaces_activate tool do? +

スペースをアクティベートし、関連ファイルとコンテキストを読み込みます。. It is categorised as a Write tool in the Musubix MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on spaces_activate? +

Register the Musubix MCP server in PolicyLayer and add a rule for spaces_activate: 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 Musubix. Nothing to install.

What risk level is spaces_activate? +

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

Can I rate-limit spaces_activate? +

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

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

spaces_activate is provided by the Musubix MCP server (@nahisaho/musubix-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.