git_worktree_prune

A destructive tool on the GitHub MCP server.

SERVERGitHub SOURCEoci:ghcr.io/aifity/omnigit-mcp:0.5.0

Critical RISK CLASS

Category Destructive

Parameters 00 required

Recommended Hiddensee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/io-github-aifity-omnigit-mcp/git-worktree-prune.md

WHAT IT DOES

What git_worktree_prune does on GitHub

AI agents call git_worktree_prune to permanently remove resources in GitHub, typically in cleanup and lifecycle workflows. It does its job in a single call, and there is no undo.

RISK

Why git_worktree_prune is rated Critical

The 'prune' operation in git worktree permanently removes administrative data for worktrees that no longer exist on disk. While it cleans up metadata rather than code files, the operation is irreversible and could disrupt active development workflows. The description is minimal ('Git worktree prune'), so confidence is moderate, but the known behavior of this git command is destructive in nature.

From the tool's definition 'git worktree prune' removes stale worktree administrative files and references irreversibly

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs git_worktree_prune safely

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

git_worktree_prune Hidden

git_worktree_prune is removed from the agent's tool list entirely, so the agent never calls it. The rest of the server keeps working.

View as policy code

policy.json

{
  "version": "1",
  "default": "deny",
  "hide": [
    "git_worktree_prune"
  ]
}

RESTRICT THIS TOOL → Instant setup, no code required.

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

FAQ

Questions about git_worktree_prune

What does the git_worktree_prune tool do? +

git_worktree_prune is a destructive tool on the GitHub MCP server. It is categorised as a Destructive tool in the GitHub MCP Server, which means it can permanently delete or destroy data. Block by default and require explicit approval.

How do I enforce a policy on git_worktree_prune? +

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

What risk level is git_worktree_prune? +

git_worktree_prune is a Destructive tool with critical risk. Critical-risk tools should be blocked by default and only enabled with explicit human approval.

Can I rate-limit git_worktree_prune? +

Yes. Add a rate_limit block to the git_worktree_prune 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_worktree_prune completely? +

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

git_worktree_prune is provided by the GitHub MCP server (oci:ghcr.io/aifity/omnigit-mcp:0.5.0). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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