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emailit

emailit-mcp

Official

Update Domain

update-domain

Modify an existing domain's tracking and configuration settings, including load and click tracking plus custom inbound or tracking subdomain keys.

Instructions

Update an existing domain's tracking and configuration settings.

Input Schema

NameRequiredDescriptionDefault
idYesThe domain ID.
inbound_keyNoCustom subdomain key for the inbound MX record.
track_loadsNoWhether to track email loads.
track_clicksNoWhether to track email clicks.
tracking_keyNoCustom subdomain key for the tracking CNAME record.

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv2.0.3

TDQS

C2.9/5.0
Behavior2/5

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

No annotations are provided, so the description must carry the full behavioral load. It says this is an update operation, but it does not disclose whether omitted settings are preserved, whether the update is partial or full, what permissions are required, or what happens on success or failure.

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?

The description is a single front-loaded sentence with no wasted words. It is appropriately concise, though its brevity contributes to under-specification elsewhere.

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

Completeness2/5

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

For a mutation tool with no annotations and no output schema, the description is too thin. The rich input schema documents the fields, but the definition does not explain update semantics, side effects, required permissions, or expected behavior when optional fields are omitted.

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

Parameters3/5

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

Schema description coverage is 100%, so each of the five parameters is already documented in the schema. The description only loosely summarizes 'tracking and configuration settings' and adds no extra meaning about parameter interactions or defaults.

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

Purpose4/5

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

States a clear verb and resource: update an existing domain's tracking and configuration settings. It distinguishes update from create/get/delete/verify by naming the resource and saying 'existing,' though it does not explicitly route to sibling tools.

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

Usage Guidelines2/5

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

There is no guidance on when to use this tool versus alternatives such as verify-domain, delete-domain, or create-domain. The word 'existing' implies the domain must already be present, but no prerequisites, exclusions, or sibling comparisons are given.

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