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namecheap-api-mcp

namecheap-api-mcp

by lanternrow
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

check_connection

Verify Namecheap API credentials and IP whitelist by retrieving your account balance summary. Confirms connection is working.

Instructions

Verify the Namecheap API connection and credentials. Returns the account balance summary — a lightweight call that confirms the API user, key, and IP whitelist are all working.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "check_connection"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv1.0.0

TDQS

A4.2/5.0
Behavior3/5

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

No annotations are provided, so the description carries full burden. It discloses the return output (account balance summary) and what is confirmed (API user, key, IP whitelist). However, it lacks details on error cases or behavior when credentials fail, which is acceptable for a simple health check.

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?

Two sentences with no wasted words. The main action is front-loaded, and the description is concise and easy to parse.

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

Completeness4/5

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

For a simple, no-parameter tool without output schema, the description adequately covers purpose and return value. It could mention that it's a fast diagnostic tool, but overall it is complete enough for its simplicity.

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?

There are zero parameters, and schema coverage is 100%. The description does not need to add parameter info; baseline for 0 parameters is 4.

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?

The description clearly states the tool verifies the Namecheap API connection and credentials, and returns the account balance summary. It uses a specific verb ('Verify') and resource, and distinguishes from sibling tools (which handle domains, DNS, etc.) as a connectivity check.

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?

The description implies usage for testing API connectivity and credentials, calling it a 'lightweight call.' It does not explicitly state when not to use or provide alternatives, but the context makes it clear; sibling tools are unrelated.

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

Deploy Server

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