edit_by_heading · LuzzyTool MCP: Risk & Policy

WHAT IT DOES

What edit_by_heading does on LuzzyTool

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

WHY IT NEEDS A POLICY

Why edit_by_heading needs a policy

This tool modifies document content by locating and replacing sections marked by Markdown headings. It creates reversible changes to files without deletion, fitting the Write category. Severity is medium because unintended edits could corrupt document structure or lose content semantically, but changes are reversible. High confidence based on clear description of modification behavior.

From the tool's definition Tool description indicates it 'replaces entire heading blocks' (替换整个标题区块) in Markdown documents, which is a data modification operation. The use of '替换' (replace/edit) confirms write semantics.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

edit_by_heading Rate-limited

edit_by_heading 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": {
    "edit_by_heading": {
      "limits": [
        {
          "counter": "edit_by_heading_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 LuzzyTool, so you can run agents against it safely.

FAQ

Questions about edit_by_heading

What does the edit_by_heading tool do? +

【标题定位编辑】通过 Markdown 标题（#、##、###）定位并替换整个标题区块。. It is categorised as a Write tool in the LuzzyTool MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on edit_by_heading? +

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

What risk level is edit_by_heading? +

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

Can I rate-limit edit_by_heading? +

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

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

edit_by_heading is provided by the LuzzyTool MCP server (luzzymeow/luzzytool). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.