Low Risk

screenshot_git_diff

Generate a screenshot of git diff output. Shows changes in your working directory or staged changes.

How to control screenshot_git_diff ↓

What screenshot_git_diff does on Code Screenshot Generator

AI agents call screenshot_git_diff to retrieve information from Code Screenshot Generator without modifying anything — typically the context-gathering step in research, monitoring, and reporting workflows, before the agent takes action elsewhere.

Low Risk

Why screenshot_git_diff needs a policy

This tool reads git diff information and renders it visually as a screenshot. It has no side effects on the repository, working directory, or any data structures. It purely retrieves and displays existing diff information, making it a Read category tool with low severity since misuse would only result in unwanted screenshot generation, not data loss or system compromise.

From the tool's definition Tool generates screenshots of git diff output, which is a read-only visualization of version control changes. No modifications to code, git state, or files occur. The description emphasizes 'Generate a screenshot' and 'Shows changes' - both passive operations.

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

How to control screenshot_git_diff

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

policy.json
{
  "version": "1",
  "default": "deny",
  "tools": {
    "screenshot_git_diff": {}
  }
}

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

  1. Create a free account and register Code Screenshot Generator — nothing to install.
  2. Add this policy — paste it, or build it visually.
  3. Point your MCP client (Claude, Cursor, anything) at your gateway URL.
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Related tools and policies

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Questions about screenshot_git_diff

What does the screenshot_git_diff tool do? +

Generate a screenshot of git diff output. Shows changes in your working directory or staged changes. It is categorised as a Read tool in the Code Screenshot Generator MCP Server, which means it retrieves data without modifying state.

How do I enforce a policy on screenshot_git_diff? +

Register the Code Screenshot Generator MCP server in PolicyLayer and add a rule for screenshot_git_diff: 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 Code Screenshot Generator. Nothing to install.

What risk level is screenshot_git_diff? +

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

Can I rate-limit screenshot_git_diff? +

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

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

screenshot_git_diff is provided by the Code Screenshot Generator MCP server (moussaabbadla/code-screenshot-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

Enforce policy on every Code Screenshot Generator tool call.

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

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4 Code Screenshot Generator tools catalogued and risk-classified — across an index of 43,000+ MCP servers.

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