clear_dispensed_volume

Reset the infused and withdrawn volume accumulators to zero. Only possible while stopped.

SERVERPypi:labmcp Alicat SOURCEpypi:labmcp-alicat

Medium RISK CLASS

Category Write

Parameters 00 required

Recommended Rate-limitedsee the rule below

Registry record Grade F, identity unverified Pull the record →

This record as markdown: /tools/lab-instrument-mcps/clear-dispensed-volume.md

WHAT IT DOES

What clear_dispensed_volume does on Pypi:labmcp Alicat

AI agents use clear_dispensed_volume to create or update resources in Pypi:labmcp Alicat, usually the action step of a workflow, after the agent has gathered context. Every call changes real data in your Pypi:labmcp Alicat environment.

RISK

Why clear_dispensed_volume is rated Medium

Resets volume accumulators; reversible write action affecting lab instrument state.

From the tool's definition Reset the infused and withdrawn volume accumulators to zero

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs clear_dispensed_volume safely

PolicyLayer is an MCP gateway: it sits between your AI agents and Pypi:labmcp Alicat, and checks every tool call against a rule you set before the call runs. Nothing changes on the server itself. For clear_dispensed_volume, this is the rule to start with:

clear_dispensed_volume Rate-limited

clear_dispensed_volume 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": {
    "clear_dispensed_volume": {
      "limits": [
        {
          "counter": "clear_dispensed_volume_rate",
          "window": "minute",
          "max": 30,
          "scope": "grant"
        }
      ]
    }
  }
}

LIMIT THIS TOOL → Instant setup, no code required.

The button opens the PolicyLayer dashboard: create your workspace, connect Pypi:labmcp Alicat, apply this rule, and every clear_dispensed_volume call is checked against it from then on.

FAQ

Questions about clear_dispensed_volume

What does the clear_dispensed_volume tool do? +

Reset the infused and withdrawn volume accumulators to zero. Only possible while stopped. It is categorised as a Write tool in the Pypi:labmcp Alicat MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on clear_dispensed_volume? +

Register the Pypi:labmcp Alicat MCP server in PolicyLayer and add a rule for clear_dispensed_volume: 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 Pypi:labmcp Alicat. Nothing to install.

What risk level is clear_dispensed_volume? +

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

Can I rate-limit clear_dispensed_volume? +

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

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

clear_dispensed_volume is provided by the Pypi:labmcp Alicat MCP server (pypi:labmcp-alicat). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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