set_databar_text · mcpXL30 MCP: Risk & Policy

WHAT IT DOES

What set_databar_text does on mcpXL30

AI agents use set_databar_text to create or update resources in mcpXL30 — usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your mcpXL30 environment.

WHY IT NEEDS A POLICY

Why set_databar_text needs a policy

This tool modifies microscope display properties (databar text annotations on images), which is a reversible write operation. It does not delete data (Destructive), execute arbitrary code (Execute), or involve financial operations (Financial).

From the tool's definition Tool name 'set_databar_text' indicates modification of microscope display metadata (the databar text overlay on captured images).

Attacks that exploit this kind of access

Recommended rule Ready

Verdict

set_databar_text Rate-limited

set_databar_text 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": {
    "set_databar_text": {
      "limits": [
        {
          "counter": "set_databar_text_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 mcpXL30, so you can run agents against it safely.

FAQ

Questions about set_databar_text

What does the set_databar_text tool do? +

set_databar_text. It is categorised as a Write tool in the mcpXL30 MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on set_databar_text? +

Register the mcpXL30 MCP server in PolicyLayer and add a rule for set_databar_text: 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 mcpXL30. Nothing to install.

What risk level is set_databar_text? +

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

Can I rate-limit set_databar_text? +

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

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

set_databar_text is provided by the mcpXL30 MCP server (tspspi/mcpxl30). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

// THE FULL RECORD

set_databar_text is one line of mcpXL30's registry record.

The record carries the whole server: verified identity, auth posture, risk grade, every tool classified, recommended policy — re-checked continuously.

Teams ship this data inside their own products. See what a licence covers →