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cucm-emulator-mcp

cucm-emulator-mcp

by calltelemetry
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

emu_get_contracts_openapi_json

Retrieve the current OpenAPI JSON specification for dynamically generated CUCM emulator APIs, enabling clients to discover available telephony operations and automation endpoints.

Instructions

Fetch generated OpenAPI JSON

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": "emu_get_contracts_openapi_json"
  }
}

Input Schema

NameRequiredDescriptionDefault

No arguments

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

B3.2/5.0
Behavior2/5

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

There are no annotations and the description does not disclose any behavioral traits such as side effects, authentication requirements, or rate limits. While a fetch operation is likely read-only, this is not explicitly stated.

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 concise sentence with no wasted words. It is well-structured but could be slightly more informative without becoming verbose.

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?

Given the simple fetch operation and no output schema, the description adequately conveys that it returns OpenAPI JSON. However, it could clarify which contract or endpoint it refers to, though the tool name provides some context.

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?

The input schema is empty, so there are no parameters to document. The description does not need to add parameter semantics, and the lack of parameters is clear from the schema.

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 verb 'Fetch' and resource 'generated OpenAPI JSON', making its purpose obvious. It is distinguishable from the sibling tool emu_get_contracts_openapi_yaml by format, but does not explicitly mention the alternative or its scope.

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 is provided on when to use this tool versus the YAML counterpart or other contract-related tools. The agent is left to infer from the name and description that it should be used when JSON is required.

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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