link_github_pr · Scrumdo MCP: Risk & Policy

WHAT IT DOES

What link_github_pr does on Scrumdo

AI agents use link_github_pr 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 link_github_pr needs a policy

This tool creates a link/association between a GitHub PR and a card. It modifies card data by adding a URL reference, which is a reversible write operation with minimal blast radius.

From the tool's definition Attach a Pull Request URL to a card

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

link_github_pr Rate-limited

link_github_pr 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": {
    "link_github_pr": {
      "limits": [
        {
          "counter": "link_github_pr_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 link_github_pr

What does the link_github_pr tool do? +

Attach a Pull Request URL to a card. 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 link_github_pr? +

Register the Scrumdo MCP server in PolicyLayer and add a rule for link_github_pr: 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 link_github_pr? +

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

Can I rate-limit link_github_pr? +

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

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

link_github_pr 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.