insert_texts · Lightrag MCP: Risk & Policy

WHAT IT DOES

What insert_texts does on Lightrag

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

WHY IT NEEDS A POLICY

Why insert_texts needs a policy

This tool creates or adds new document data to the LightRAG system, which is a reversible Write operation. It does not execute code, delete data irreversibly, move funds, or merely read data. The severity is medium because bulk insertion could consume resources or impact system performance, but the operation is reversible and has no external side effects like execution or financial impact.

From the tool's definition Tool name 'insert_texts' and description 'Add multiple text documents into LightRAG' indicates creation of new data documents in the system.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

insert_texts Rate-limited

insert_texts 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": {
    "insert_texts": {
      "limits": [
        {
          "counter": "insert_texts_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 Lightrag, so you can run agents against it safely.

FAQ

Questions about insert_texts

What does the insert_texts tool do? +

Add multiple text documents into LightRAG. It is categorised as a Write tool in the Lightrag MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on insert_texts? +

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

What risk level is insert_texts? +

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

Can I rate-limit insert_texts? +

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

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

insert_texts is provided by the Lightrag MCP server (lightrag-mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.