list_followers

THE RISK

Low Risk

Why list_followers needs a policy

This tool retrieves and displays follower information for a user in a Forgejo/Gitea instance. It performs a simple query operation that returns data without modifying, executing, or deleting anything. The minimal blast radius (reading public or semi-public social relationship data) justifies low severity.

From the tool's definition Tool name is 'list_followers' and description states 'List a user', indicating a retrieval operation with no side effects.

Documented attack patterns abuse exactly the kind of access list_followers gives an agent:

POLICY

How to control list_followers

PolicyLayer is an MCP gateway — it sits between your AI agents and Forgejo, and nothing reaches the server without passing your rules. This is the rule we recommend for list_followers:

policy.json

{
  "version": "1",
  "default": "deny",
  "tools": {
    "list_followers": {}
  }
}

list_followers is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.

Create a free account and register Forgejo — nothing to install.
Add this policy — paste it, or build it visually.
Point your MCP client (Claude, Cursor, anything) at your gateway URL.

CAP THIS TOOL →

Free to start. No card required.

EXPLORE

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Go deeper

The MCP Attack Database → Documented attack patterns against MCP deployments — and the policies that stop them.
Data exfiltration → How read access becomes an exfiltration channel when chained with untrusted content.
MCP token cost → What connecting this server costs in context-window tokens on every request.
Rate Limiting MCP Tool Calls: A Practical Guide →
MCP Security: Why Prompt Guardrails Aren't Enough →

FAQ

Questions about list_followers

What does the list_followers tool do? +

List a user. It is categorised as a Read tool in the Forgejo MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on list_followers? +

Register the Forgejo MCP server in PolicyLayer and add a rule for list_followers: 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 list_followers? +

list_followers is a Read tool with low risk. Read-only tools are generally safe to allow by default.

Can I rate-limit list_followers? +

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

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

list_followers 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.

Enforce policy on every Forgejo tool call.

Start from Forgejo, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.

CHECK YOUR STACK →