appflowy_create_space · AppFlowy MCP: Risk & Policy

WHAT IT DOES

What appflowy_create_space does on AppFlowy MCP

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

WHY IT NEEDS A POLICY

Why appflowy_create_space needs a policy

This tool creates new data structures (spaces) within a workspace, which is a reversible write operation. It does not execute arbitrary code, delete data, move money, or have destructive effects. The blast radius is medium because creating spaces could clutter workspaces or consume resources, but the operation can be undone by deleting the space.

From the tool's definition Tool creates a new space in a workspace, which is a reversible operation that modifies the workspace structure by adding a new organizational container.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

appflowy_create_space Rate-limited

appflowy_create_space 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": {
    "appflowy_create_space": {
      "limits": [
        {
          "counter": "appflowy_create_space_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 AppFlowy MCP, so you can run agents against it safely.

FAQ

Questions about appflowy_create_space

What does the appflowy_create_space tool do? +

Create a space in a workspace. It is categorised as a Write tool in the AppFlowy MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on appflowy_create_space? +

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

What risk level is appflowy_create_space? +

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

Can I rate-limit appflowy_create_space? +

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

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

appflowy_create_space is provided by the AppFlowy MCP server (weironz/appflowy_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.