List branches of a repository
AI agents call list_branches to retrieve information from Forgejo without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.
This tool queries and returns information about repository branches without creating, modifying, deleting, or executing any operations. It is a straightforward read operation with minimal security risk in the context of Git repository management.
From the tool's definition Tool name 'list_branches' and description 'List branches of a repository' indicate a retrieval operation with no modification or side effects.
Documented attack patterns abuse exactly the kind of access list_branches gives an agent:
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_branches:
{
"version": "1",
"default": "deny",
"tools": {
"list_branches": {}
}
}list_branches is read-only, so it stays allowed — but everything else on the server is denied unless you say otherwise.
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List branches of a repository. It is categorised as a Read tool in the Forgejo MCP Server, which means it retrieves data without modifying state.
Register the Forgejo MCP server in PolicyLayer and add a rule for list_branches: 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.
list_branches 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_branches 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_branches. 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_branches 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.
Start from Forgejo, add the rest of your stack, and see everything your agents can call. Then put policy on all of it.
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103 Forgejo tools catalogued and risk-classified — across an index of 43,000+ MCP servers.