set_timebase

A write tool on the Pypi:labmcp Alicat MCP server.

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/set-timebase.md

WHAT IT DOES

What set_timebase does on Pypi:labmcp Alicat

AI agents use set_timebase 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 set_timebase is rated Medium

Based on the tool name and server context, 'set_timebase' likely configures the time scale/sampling rate on a PicoScope oscilloscope, which is a reversible configuration change (Write). Confidence is reduced due to empty description. Severity is medium as misconfiguration could affect data acquisition quality but is reversible.

From the tool's definition Tool name 'set_timebase' and server context of oscilloscope configuration; description is empty and uninformative.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs set_timebase 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 set_timebase, this is the rule to start with:

set_timebase Rate-limited

set_timebase 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_timebase": {
      "limits": [
        {
          "counter": "set_timebase_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 set_timebase call is checked against it from then on.

FAQ

Questions about set_timebase

What does the set_timebase tool do? +

set_timebase is a write tool on the Pypi:labmcp Alicat MCP server. 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 set_timebase? +

Register the Pypi:labmcp Alicat MCP server in PolicyLayer and add a rule for set_timebase: 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 set_timebase? +

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

Can I rate-limit set_timebase? +

Yes. Add a rate_limit block to the set_timebase 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_timebase completely? +

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

set_timebase 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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