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AMC MCP Server

AMC MCP Server

by ho-ju
OverviewSchemaSourceRelated ServersDiscussionsAdmin
JavaScript
Remote

process_payment

Finalize a movie seat booking by processing payment with booking ID, payment method, and amount in USD.

Instructions

Handles simulated payment transaction.

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": {
      "booking_id": "<booking_id>",
      "payment_method": "<payment_method>",
      "amount": "<amount>"
    },
    "name": "process_payment"
  }
}

Input Schema

NameRequiredDescriptionDefault
amountYesPayment amount in USD
booking_idYesBooking ID from book_seats
payment_methodYesPayment method (e.g., "card", "cash")

Output Schema

NameRequiredDescriptionDefault
resultYes

Schema Changelog

Changes observed during successful MCP inspections.

  1. First observedv0.1.0

TDQS

C2.6/5.0
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 says 'simulated' which hints at non-real payment, but it does not disclose what happens on success/failure, whether it mutates state (e.g., marks booking as paid), or any side effects. This is insufficient for a mutation tool.

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 sentence, concise and front-loaded. It is not verbose, but it is under-specified rather than concise in a helpful way. Still, it earns a 4 for brevity and structure.

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 tool has an output schema and three required parameters, the description is too thin. It does not explain the payment flow, what the output represents, or any error conditions. The 'simulated' aspect is mentioned but not elaborated. The description is not complete enough for an 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 three parameters. The description adds no extra meaning beyond 'simulated payment transaction,' which does not clarify parameter relationships or constraints. Baseline 3 is appropriate.

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 states the tool 'Handles simulated payment transaction,' which identifies the action (process payment) and resource (transaction), but it is vague about the specific scope (e.g., what happens after payment, whether it confirms booking). It does not distinguish from siblings, though siblings are mostly read-oriented, so the purpose is somewhat clear.

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. It does not mention that it should be used after book_seats, nor any prerequisites or sequencing. The description implies usage for payment but lacks explicit context or exclusions.

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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