find_and_replace · Noleemits Vision Builder MCP

WHAT IT DOES

What find_and_replace does on Noleemits Vision Builder MCP

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

WHY IT NEEDS A POLICY

Why find_and_replace needs a policy

This tool modifies existing content by replacing text across posts/pages. It's a Write operation as it updates data reversibly (in principle, content could be restored). However, severity is high because 'bulk text updates' implies it could modify many posts/pages at once, and if misused by an AI agent, could corrupt large amounts of content across the WordPress site simultaneously.

From the tool's definition Find and replace text in a post/page content and title. Useful for bulk text updates.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

find_and_replace Rate-limited

find_and_replace 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": {
    "find_and_replace": {
      "limits": [
        {
          "counter": "find_and_replace_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 Noleemits Vision Builder MCP, so you can run agents against it safely.

FAQ

Questions about find_and_replace

What does the find_and_replace tool do? +

Find and replace text in a post/page content and title. Useful for bulk text updates. It is categorised as a Write tool in the Noleemits Vision Builder MCP MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on find_and_replace? +

Register the Noleemits Vision Builder MCP server in PolicyLayer and add a rule for find_and_replace: 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 Noleemits Vision Builder MCP. Nothing to install.

What risk level is find_and_replace? +

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

Can I rate-limit find_and_replace? +

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

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

find_and_replace is provided by the Noleemits Vision Builder MCP server (noleemits/vision-builder-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.