register_repo_runner

SERVERForgejo SOURCEsqcows/forgejo-mcp

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/sqcows-forgejo-mcp/register-repo-runner.md

WHAT IT DOES

What register_repo_runner does on Forgejo

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

RISK

Why register_repo_runner is rated Medium

Registering a runner enables arbitrary CI/CD code execution on the repository's behalf.

From the tool's definition Register a new Actions runner for a repository

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs register_repo_runner safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Forgejo, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For register_repo_runner, this is the rule to start with:

register_repo_runner Rate-limited

register_repo_runner 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": {
    "register_repo_runner": {
      "limits": [
        {
          "counter": "register_repo_runner_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Forgejo, apply this rule, and every register_repo_runner call is checked against it from then on.

FAQ

Questions about register_repo_runner

What does the register_repo_runner tool do? +

Register a new Actions runner for a repository. The response contains the runner token, which is only shown once. It is categorised as a Write tool in the Forgejo MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on register_repo_runner? +

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

What risk level is register_repo_runner? +

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

Can I rate-limit register_repo_runner? +

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

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

register_repo_runner is provided by the Forgejo MCP server (sqcows/forgejo-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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