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mailgun

Mailgun MCP Server

Official
by mailgun

get--v3-domain_name-whitelists

Retrieve allowlist records for a Mailgun domain to manage approved email addresses and terms for email delivery.

Instructions

List allowlist records for domain

Input Schema

TableJSON Schema
NameRequiredDescriptionDefault
domain_nameYes
limitNo
pageNo
addressYes
termYes
Behavior2/5

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

With no annotations provided, the description carries the full burden of behavioral disclosure. It states this is a list operation, implying it's likely read-only, but doesn't confirm safety, permissions, rate limits, pagination behavior, or what the output looks like. For a tool with 5 parameters and no annotation coverage, this leaves significant behavioral gaps.

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

Conciseness5/5

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

The description is a single, efficient sentence with zero wasted words. It's appropriately sized and front-loaded, making it easy to parse quickly.

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?

Given the complexity (5 parameters, 3 required, no output schema, no annotations), the description is inadequate. It doesn't explain parameter usage, output format, behavioral constraints, or how this tool fits among siblings. For a list operation with multiple filtering parameters, more context is needed for effective use.

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

Parameters2/5

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

Schema description coverage is 0%, so the schema provides no parameter documentation. The description mentions 'domain' which loosely relates to the 'domain_name' parameter, but doesn't explain the purpose of the other 4 parameters (limit, page, address, term) or why 3 are required. It adds minimal semantic value beyond the schema.

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

Purpose3/5

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

The description 'List allowlist records for domain' states the basic action (list) and target (allowlist records for domain), but it's vague about what 'allowlist records' specifically are and doesn't distinguish from siblings like 'get--v3-domain_name-whitelists-value'. It provides a minimal purpose without sibling differentiation.

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?

No guidance on when to use this tool versus alternatives is provided. The description doesn't mention any prerequisites, exclusions, or context for usage, leaving the agent with no direction on when this tool is appropriate compared to other listing or filtering tools in the sibling set.

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

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