AI agents call list_repositories to retrieve information from Forgejo MCP Server without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool only retrieves and lists repository data without creating, modifying, deleting, or executing anything. It is a straightforward read operation that returns existing information to the user. The low severity reflects that listing repositories poses minimal risk - it exposes metadata that is typically already visible to the authenticated user within their own Forgejo instance.
From the tool's definition Tool name is 'list_repositories' and description states 'Get list of user repositories' - a pure query operation with no side effects.
Documented attack patterns abuse exactly the kind of access list_repositories gives an agent:
PolicyLayer is an MCP gateway — it sits between your AI agents and Forgejo MCP Server, and nothing reaches the server without passing your rules. This is the rule we recommend for list_repositories:
{
"version": "1",
"default": "deny",
"tools": {
"list_repositories": {}
}
}list_repositories is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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Get list of user repositories. It is categorised as a Read tool in the Forgejo MCP Server MCP Server, which means it retrieves data without modifying state.
Register the Forgejo MCP Server MCP server in PolicyLayer and add a rule for list_repositories: 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 MCP Server. Nothing to install.
list_repositories is a Read tool with low risk. Read-only tools are generally safe to allow by default.
Yes. Add a rate_limit block to the list_repositories 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.
Set action: deny in the PolicyLayer policy for list_repositories. 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.
list_repositories is provided by the Forgejo MCP Server MCP server (nsvk13/forgejo-mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.
Start from Forgejo MCP Server, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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5 Forgejo MCP Server tools catalogued and risk-classified — across an index of 43,000+ MCP servers.