add_room_member

Use this to add a user to a deal room when onboarding a new collaborator or LP. Role is

SERVERFundos SOURCE8vdx1/fundos-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/8vdx1-fundos-mcp/add-room-member.md

WHAT IT DOES

What add_room_member does on Fundos

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

RISK

Why add_room_member is rated Medium

This tool creates a new membership relationship in a deal room (VDR-like system for fund managers). It is reversible (members can be removed) and has no direct financial impact, placing it in Write. Severity is medium because granting access to deal rooms could expose sensitive LP, deal pipeline, or covenant data to unauthorized parties, but the impact depends on who is added and what they access.

From the tool's definition Tool name 'add_room_member' and description explicitly states it is used to 'add a user to a deal room' — a create/modify operation that grants access to sensitive deal information.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs add_room_member safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Fundos, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For add_room_member, this is the rule to start with:

add_room_member Rate-limited

add_room_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": {
    "add_room_member": {
      "limits": [
        {
          "counter": "add_room_member_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Fundos, apply this rule, and every add_room_member call is checked against it from then on.

FAQ

Questions about add_room_member

What does the add_room_member tool do? +

Use this to add a user to a deal room when onboarding a new collaborator or LP. Role is. It is categorised as a Write tool in the Fundos MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on add_room_member? +

Register the Fundos MCP server in PolicyLayer and add a rule for add_room_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 Fundos. Nothing to install.

What risk level is add_room_member? +

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

Can I rate-limit add_room_member? +

Yes. Add a rate_limit block to the add_room_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 add_room_member completely? +

Set action: deny in the PolicyLayer policy for add_room_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 add_room_member? +

add_room_member is provided by the Fundos MCP server (8vdx1/fundos-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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