add_related_card · Superthread Mcp Extended MCP

WHAT IT DOES

What add_related_card does on Superthread Mcp Extended

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

WHY IT NEEDS A POLICY

Why add_related_card needs a policy

This tool creates or modifies a card relationship, which is a write operation that changes data state but does not irreversibly delete, execute code, or involve financial transactions. The scope is limited to relationship metadata rather than card content itself, making it medium severity.

From the tool's definition Tool name 'add_related_card' and description 'Add related card relationship' indicate creation/modification of a relationship between cards. The action is reversible—the relationship can be removed or modified later.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

add_related_card Rate-limited

add_related_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": {
    "add_related_card": {
      "limits": [
        {
          "counter": "add_related_card_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 Superthread Mcp Extended, so you can run agents against it safely.

FAQ

Questions about add_related_card

What does the add_related_card tool do? +

Add related card relationship. It is categorised as a Write tool in the Superthread Mcp Extended 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_related_card? +

Register the Superthread Mcp Extended MCP server in PolicyLayer and add a rule for add_related_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 Superthread Mcp Extended. Nothing to install.

What risk level is add_related_card? +

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

Can I rate-limit add_related_card? +

Yes. Add a rate_limit block to the add_related_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 add_related_card completely? +

Set action: deny in the PolicyLayer policy for add_related_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 add_related_card? +

add_related_card is provided by the Superthread Mcp Extended MCP server (jaey-p/superthread-mcp-extended). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.