mcp_create_card · Another Planka MCP: Risk & Policy

WHAT IT DOES

What mcp_create_card does on Another Planka MCP

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

WHY IT NEEDS A POLICY

Why mcp_create_card needs a policy

This tool creates new cards (data records) in a Planka board list, which is a reversible Write operation. It does not execute arbitrary code, delete data, move money, or trigger destructive actions. The severity is medium because uncontrolled card creation could clutter boards or be used for spam, but the impact is limited to board organization and can be reversed through deletion.

From the tool's definition Tool name 'mcp_create_card' and description 'Create a new card in a specified list' explicitly indicates creation of new data in the Planka board system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

mcp_create_card Rate-limited

mcp_create_card 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": {
    "mcp_create_card": {
      "limits": [
        {
          "counter": "mcp_create_card_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

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

FAQ

Questions about mcp_create_card

What does the mcp_create_card tool do? +

Create a new card in a specified list. It is categorised as a Write tool in the Another Planka 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 mcp_create_card? +

Register the Another Planka MCP server in PolicyLayer and add a rule for mcp_create_card: 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 Another Planka MCP. Nothing to install.

What risk level is mcp_create_card? +

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

Can I rate-limit mcp_create_card? +

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

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

mcp_create_card is provided by the Another Planka MCP server (roelven/another-planka-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.