set_card_field · Scrumdo MCP: Risk & Policy

WHAT IT DOES

What set_card_field does on Scrumdo

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

WHY IT NEEDS A POLICY

Why set_card_field needs a policy

The tool modifies card field values in ScrumDo, which is a reversible operation (fields can be changed again). This is Write-category behavior. Severity is medium because unintended field modifications could disrupt project tracking, but the changes are not irreversible or destructive.

From the tool's definition Tool name 'set_card_field' indicates modification of card data; sibling tools like 'add_comment', 'assign_card', and 'add_card_label' perform reversible Write operations on ScrumDo boards, suggesting this tool follows the same pattern of updating card…

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_card_field Rate-limited

set_card_field 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": {
    "set_card_field": {
      "limits": [
        {
          "counter": "set_card_field_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 Scrumdo, so you can run agents against it safely.

FAQ

Questions about set_card_field

What does the set_card_field tool do? +

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

How do I enforce a policy on set_card_field? +

Register the Scrumdo MCP server in PolicyLayer and add a rule for set_card_field: 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 Scrumdo. Nothing to install.

What risk level is set_card_field? +

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

Can I rate-limit set_card_field? +

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

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

set_card_field is provided by the Scrumdo MCP server (scrumdollc/scrumdo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.