ingest_url_to_graph · Chef-Agent MCP: Risk & Policy

WHAT IT DOES

What ingest_url_to_graph does on Chef-Agent

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

WHY IT NEEDS A POLICY

Why ingest_url_to_graph needs a policy

The name suggests two operations: fetching content from a URL (Read/Execute via web scraping) and writing that content into the graph database (Write). Since the net effect is persisting new data into the knowledge graph, Write is the dominant category. However, depending on implementation it could also trigger Execute-level operations.

From the tool's definition Tool name 'ingest_url_to_graph' implies fetching a URL and writing/ingesting its content into the Neo4j knowledge graph.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

ingest_url_to_graph Rate-limited

ingest_url_to_graph 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": {
    "ingest_url_to_graph": {
      "limits": [
        {
          "counter": "ingest_url_to_graph_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 Chef-Agent, so you can run agents against it safely.

FAQ

Questions about ingest_url_to_graph

What does the ingest_url_to_graph tool do? +

ingest_url_to_graph. It is categorised as a Write tool in the Chef-Agent MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on ingest_url_to_graph? +

Register the Chef-Agent MCP server in PolicyLayer and add a rule for ingest_url_to_graph: 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 Chef-Agent. Nothing to install.

What risk level is ingest_url_to_graph? +

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

Can I rate-limit ingest_url_to_graph? +

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

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

ingest_url_to_graph is provided by the Chef-Agent MCP server (omnagvekar/chef-agent). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.