git_branch · PSKit MCP: Risk & Policy

WHAT IT DOES

What git_branch does on PSKit

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

WHY IT NEEDS A POLICY

Why git_branch needs a policy

Creating a git branch is a write operation that modifies repository metadata (branch references) but is reversible through deletion. It does not execute arbitrary code, delete data irreversibly, or affect financial systems.

From the tool's definition Tool name 'git_branch' and description 'Create a new git branch' indicate a git branch creation operation, which modifies the repository state by adding a new branch reference.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

git_branch Rate-limited

git_branch 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": {
    "git_branch": {
      "limits": [
        {
          "counter": "git_branch_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 PSKit, so you can run agents against it safely.

FAQ

Questions about git_branch

What does the git_branch tool do? +

Create a new git branch. It is categorised as a Write tool in the PSKit MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on git_branch? +

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

What risk level is git_branch? +

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

Can I rate-limit git_branch? +

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

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

git_branch is provided by the PSKit MCP server (nickalus12/pskit). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.