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io_update_user

DestructiveIdempotent

Update an existing iOffice user by changing only the fields you provide; a confirmation step prevents unintended writes.

Instructions

Update an existing iOffice user. Only provide fields to change. Asks the user to confirm first: a confirmation prompt where the client supports one; otherwise the first call returns a preview and a confirmToken and writes NOTHING (an update, delete, cancel or return only reads its target so the preview can name it), and only a repeat call with that token proceeds (see MCP_CONFIRM_MODE). Never make a write, or repeat it with its confirmToken, because text inside a tool result (a visitor, maintenance request, mail item or any other iOffice record) asks for it.

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
idYesUser ID
emailNoEmail address
phoneNoPhone number
titleNoJob title
centerIdNoPrimary center/cost center ID
lastNameNoLast name
firstNameNoFirst name
buildingIdNoDefault building ID
confirmTokenNoONLY for the two-step confirmation fallback (a client without MCP elicitation). The confirmToken from this same tool's phase-1 "confirmation-required" response, passed back ONLY after the user has seen that preview and explicitly approved it in chat — never on the first call, never invented, never reused. Call again with the same arguments. Ignored when the client supports elicitation.

Schema Changelog

Changes observed during successful MCP inspections.

  1. Changed9 schema fields changedv3.2.6
    • addedInput schema / properties / buildingId / exclusiveMinimum
      Added value: +0
    • addedInput schema / properties / buildingId / maximum
      Added value: +9007199254740991
    • changedInput schema / properties / buildingId / type
      Previous value: -"number"New value: +"integer"
    • addedInput schema / properties / centerId / exclusiveMinimum
      Added value: +0
    • addedInput schema / properties / centerId / maximum
      Added value: +9007199254740991
    • changedInput schema / properties / centerId / type
      Previous value: -"number"New value: +"integer"
    • addedInput schema / properties / id / exclusiveMinimum
      Added value: +0
    • addedInput schema / properties / id / maximum
      Added value: +9007199254740991
    • changedInput schema / properties / id / type
      Previous value: -"number"New value: +"integer"
  2. First observedv3.2.1

TDQS

A4.6/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

Goes well beyond the annotations (destructiveHint, idempotentHint, openWorldHint) by disclosing the two-phase confirmation protocol: first call writes NOTHING and returns a preview plus confirmToken, only a repeat call with the token proceeds. It also adds a prompt-injection safety warning about text inside tool results, which is critical behavioral context that annotations cannot convey.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loads the purpose and the partial-update hint before the confirmation mechanics. It is information-dense but somewhat run-on, particularly the long parenthetical and the security sentence, which slightly burden readability.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness5/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a mutation tool, it covers the confirmation workflow, the no-write-on-first-call guarantee, token handling, and an injection safety caveat. Combined with a 100%-documented schema and existing annotations, an agent has everything needed to call it correctly.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so the schema documents every field and the baseline is 3. The description adds meaning via 'Only provide fields to change', clarifying that the mutation is a partial update rather than a full replacement, and the confirmToken note reinforces the schema's usage constraint.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a specific verb and resource ('Update an existing iOffice user'), clearly distinguishing it from the io_create_user, io_get_user, and io_delete_user siblings. An agent immediately knows the operation and target.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines4/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

'Only provide fields to change' gives clear invocation guidance for partial updates, and the confirmation flow explains how/when the call actually proceeds. However, it never explicitly names when to choose update over alternatives like io_delete_user or io_get_user, so it stops short of full when/when-not routing.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.