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cucm-emulator-mcp

cucm-emulator-mcp

by calltelemetry
OverviewSchemaSourceRelated ServersDiscussionsAdmin
TypeScript
Remote

emu_terminate_call_session

Terminate a live call session by providing its ID and optional reason or timestamp, ending active telephony operations in the CUCM emulator.

Instructions

Terminate a canonical v2 call session

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": {
      "id": "<id>"
    },
    "name": "emu_terminate_call_session"
  }
}

Input Schema

NameRequiredDescriptionDefault
idYes
reasonNo
timestampNo

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.1

TDQS

C2.4/5.0
Behavior2/5

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

With no annotations provided, the description must carry the full behavioral burden. It reveals only that this is a termination action, but does not disclose side effects, idempotency, whether active calls are affected, or any post-termination consequences like CDR generation.

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. However, the brevity borders on under-specification, as it leaves out meaningful context about the purpose and parameters.

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

Completeness1/5

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

The tool has three parameters, no annotations, no output schema, and a large sibling set. This one-line description is far too minimal to enable effective selection and invocation by an agent.

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

Parameters1/5

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

Schema description coverage is 0%, and the description does not mention or explain any of the three parameters. The agent is left to guess the meaning of id, reason, and timestamp, and additionalProperties: true adds further ambiguity.

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 uses a specific verb 'Terminate' with a clear resource 'canonical v2 call session'. This distinguishes it from lifecycle siblings like create, get, list, and append, though 'canonical v2' is somewhat jargon-heavy.

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 given about when to use this tool versus session management siblings such as emu_create_call_session or emu_append_call_session_event. The intended use is only implied by the verb 'Terminate', with no exclusions, prerequisites, or alternative routing.

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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