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Crossmint HR Airdrop MCP

Crossmint HR Airdrop MCP

by monostate
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

send_emails

Send wallet access instructions to employees via email. Designed for HR teams automating Solana token airdrops, ensuring role-based allocation and notifications.

Instructions

Send emails to employees with wallet access instructions

Tool call template

Replace each placeholder with a value matching the input schema. Only required parameters are included; add optional parameters as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {
      "fromEmail": "<fromEmail>"
    },
    "name": "send_emails"
  }
}

Input Schema

NameRequiredDescriptionDefault
fromEmailYesSender email address (e.g., hr@company.com)
resendApiKeyNoResend API key (optional, will use default if not provided)
subjectNoEmail subject

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

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 carries the full burden. It implies a write/send operation but lacks details on permissions, rate limits, error handling, or what happens if emails fail. The mention of 'Resend API key' hints at external service use but doesn't clarify behavior.

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 waste, front-loaded with the core action. It's appropriately sized for the tool's purpose without unnecessary elaboration.

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 no annotations and no output schema, the description is incomplete for a tool that sends emails. It lacks details on recipients, email content, success/failure responses, and integration with the Resend service, leaving significant gaps for an AI agent to use it correctly.

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 the schema already documents all parameters (fromEmail, resendApiKey, subject). The description adds no additional meaning beyond implying emails are for 'wallet access instructions,' which loosely relates to the subject parameter but doesn't enhance schema understanding.

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?

The description clearly states the action ('Send emails') and target ('to employees with wallet access instructions'), providing a specific verb and resource. However, it doesn't differentiate from sibling tools, which are mostly wallet/transaction-related rather than email tools, so this distinction isn't critical but could be noted.

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?

The description provides no guidance on when to use this tool versus alternatives, prerequisites, or exclusions. It mentions 'employees with wallet access instructions' but doesn't specify if this is for onboarding, updates, or other contexts, leaving usage ambiguous.

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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