fc_add_space_member · FluentCommunity Manager MCP

WHAT IT DOES

What fc_add_space_member does on FluentCommunity Manager

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

WHY IT NEEDS A POLICY

Why fc_add_space_member needs a policy

Adding a member to a space is a write operation that creates a new association or modifies membership state. While this modifies data, it is reversible (members can be removed), so it does not qualify as Destructive.

From the tool's definition Tool name 'fc_add_space_member' and description 'Add a user to a FluentCommunity space' indicates creation/modification of membership data. This is a reversible write operation that adds a user relationship to a space.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

fc_add_space_member Rate-limited

fc_add_space_member 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": {
    "fc_add_space_member": {
      "limits": [
        {
          "counter": "fc_add_space_member_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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Instant setup, no code required.

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

FAQ

Questions about fc_add_space_member

What does the fc_add_space_member tool do? +

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

How do I enforce a policy on fc_add_space_member? +

Register the FluentCommunity Manager MCP server in PolicyLayer and add a rule for fc_add_space_member: 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 FluentCommunity Manager. Nothing to install.

What risk level is fc_add_space_member? +

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

Can I rate-limit fc_add_space_member? +

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

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

fc_add_space_member is provided by the FluentCommunity Manager MCP server (wplaunchify/fluent-community-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.