relate_cards · Planning Game MCP: Risk & Policy

WHAT IT DOES

What relate_cards does on Planning Game

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

WHY IT NEEDS A POLICY

Why relate_cards needs a policy

This tool creates or removes relational links between cards. Creating/removing relations is a reversible modification of data (Write). While 'remove' could edge toward Destructive, relationships can typically be re-established, making Write the most appropriate category. Misuse could disrupt project planning structure but is recoverable.

From the tool's definition 'Create or remove relations between cards' — creates or removes relationships between existing cards

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

relate_cards Rate-limited

relate_cards 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": {
    "relate_cards": {
      "limits": [
        {
          "counter": "relate_cards_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 Planning Game, so you can run agents against it safely.

FAQ

Questions about relate_cards

What does the relate_cards tool do? +

Create or remove relations between cards. REQUIRED: projectId, sourceCardId, targetCardId, relationType (. It is categorised as a Write tool in the Planning Game MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on relate_cards? +

Register the Planning Game MCP server in PolicyLayer and add a rule for relate_cards: 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 Planning Game. Nothing to install.

What risk level is relate_cards? +

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

Can I rate-limit relate_cards? +

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

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

relate_cards is provided by the Planning Game MCP server (planning-game-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.