update_measurement

Update an existing measurement entry.

SERVERBusinys SOURCE@businys/mcp-server

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/app-businys-mcp-server/update-measurement.md

WHAT IT DOES

What update_measurement does on Businys

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

RISK

Why update_measurement is rated Medium

The tool modifies (updates) data reversibly—measurement entries can be corrected or changed again later. This is characteristic of Write category operations. Severity is medium because measurement data in a business/practice management context (clients, invoices, contracts) could affect service delivery, billing accuracy, or client records, but the impact is limited to a single entry and reversible.

From the tool's definition Tool name is 'update_measurement' and description states 'Update an existing measurement entry.' This performs a modification operation on existing data.

Attacks that exploit this kind of access

RECOMMENDED RULE

The rule that runs update_measurement safely

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

update_measurement Rate-limited

update_measurement 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": {
    "update_measurement": {
      "limits": [
        {
          "counter": "update_measurement_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 Businys, apply this rule, and every update_measurement call is checked against it from then on.

FAQ

Questions about update_measurement

What does the update_measurement tool do? +

Update an existing measurement entry. It is categorised as a Write tool in the Businys MCP Server, which means it can create or modify data. Consider rate limits to prevent runaway writes.

How do I enforce a policy on update_measurement? +

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

What risk level is update_measurement? +

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

Can I rate-limit update_measurement? +

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

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

update_measurement is provided by the Businys MCP server (@businys/mcp-server). PolicyLayer sits as a proxy in front of this server to enforce policies before tool calls reach the server.

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