blawx_ontology_category_update · Blawx MCP Server MCP

WHAT IT DOES

What blawx_ontology_category_update does on Blawx MCP Server

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

WHY IT NEEDS A POLICY

Why blawx_ontology_category_update needs a policy

This tool creates or modifies ontology category data via a PUT request. While it changes existing data, the modification is reversible and doesn't permanently destroy information. The medium severity reflects that misuse could corrupt ontology definitions affecting rule-based reasoning in the Blawx system, but the blast radius is limited to category metadata rather than irreversible data loss or financial impact.

From the tool's definition Tool name includes 'update' and description explicitly states 'Replace an ontology category (PUT)', indicating a PUT HTTP method that modifies data. The action is reversible (can be updated again), distinguishing it from Destructive operations.

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

blawx_ontology_category_update Rate-limited

blawx_ontology_category_update 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": {
    "blawx_ontology_category_update": {
      "limits": [
        {
          "counter": "blawx_ontology_category_update_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 Blawx MCP Server, so you can run agents against it safely.

FAQ

Questions about blawx_ontology_category_update

What does the blawx_ontology_category_update tool do? +

Replace an ontology category (PUT). It is categorised as a Write tool in the Blawx MCP Server MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on blawx_ontology_category_update? +

Register the Blawx MCP Server MCP server in PolicyLayer and add a rule for blawx_ontology_category_update: 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 Blawx MCP Server. Nothing to install.

What risk level is blawx_ontology_category_update? +

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

Can I rate-limit blawx_ontology_category_update? +

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

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

blawx_ontology_category_update is provided by the Blawx MCP Server MCP server (lexpedite/blawx_mcp). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.