plugin.json

{
  "$schema": "https://agent-plugins.org/schemas/1.0.0/plugin.schema.json",
  "name": "cartaxcheck",
  "version": "1.0.0",
  "description": "Check UK vehicles by registration with Car Tax Check. Quickly find vehicle tax status and due dates, MOT expiry, test history, failures and advisories, recorded mileage and specifications.\n\nThinking of buying a used car? Compare vehicles side by side, explore their histories and ask follow-up questions about the differences that matter to you.\n\nConnect your Car Tax Check account to view saved vehicles and their tax and MOT due dates, find purchased vehicle history reports, check your voucher balance and remove saved vehicles. Car Tax Check in ChatGPT works alongside the website, giving you another way to explore vehicle information and manage your account.",
  "homepage": "https://cartaxcheck.co.uk/",
  "keywords": [
    "UK vehicle check",
    "vehicle registration",
    "car tax",
    "MOT due date",
    "MOT history",
    "MOT advisories",
    "mileage history",
    "used car comparison",
    "saved vehicles",
    "purchased vehicle history reports"
  ],
  "extensions": {
    "com.openai": {
      "interface": {
        "displayName": "Car Tax Check",
        "shortDescription": "Check vehicle tax, MOT & more",
        "longDescription": "Check UK vehicles by registration with Car Tax Check. Quickly find vehicle tax status and due dates, MOT expiry, test history, failures and advisories, recorded mileage and specifications.\n\nThinking of buying a used car? Compare vehicles side by side, explore their histories and ask follow-up questions about the differences that matter to you.\n\nConnect your Car Tax Check account to view saved vehicles and their tax and MOT due dates, find purchased vehicle history reports, check your voucher balance and remove saved vehicles. Car Tax Check in ChatGPT works alongside the website, giving you another way to explore vehicle information and manage your account.",
        "websiteURL": "https://cartaxcheck.co.uk/",
        "defaultPrompt": [
          "Check a car\u2019s tax, MOT and mileage history.",
          "I\u2019m thinking of buying two cars. Help me compare them.",
          "When are tax and MOT due for my saved vehicles?"
        ],
        "supportURL": "https://cartaxcheck.zendesk.com/hc/en-us/requests/new",
        "developerName": "Click Digital Development Limited",
        "privacyPolicyURL": "https://cartaxcheck.co.uk/terms-and-conditions/#terms-section-3",
        "termsOfServiceURL": "https://cartaxcheck.co.uk/terms-and-conditions/#terms-section-1",
        "logo": "./assets/logo.png",
        "composerIcon": "./assets/logo.png"
      },
      "review": {
        "test_cases": {
          "positive": [
            {
              "description": "Check vehicle tax by registration without naming the plugin",
              "prompt": "Check the tax for KX65XFV.",
              "tools_triggered": "get_vehicle_data",
              "expected_behavior": "Call get_vehicle_data for KX65XFV and report the returned tax status, tax due date and available annual tax cost. Preserve the source meaning of dates and do not invent unavailable information."
            },
            {
              "description": "Find MOT dates for saved account vehicles",
              "prompt": "When is my MOT due?",
              "tools_triggered": "list_user_saved_vehicles",
              "expected_behavior": "Call list_user_saved_vehicles for the authenticated account and report each saved vehicle\u2019s registration, make/model and available MOT expiry date. Identify the earliest expiry without assuming which vehicle the user means. Use get_vehicle_data if expiry dates are missing. Calculate any remaining time from the current date; request sign-in or a registration if needed."
            },
            {
              "description": "List purchased vehicle history reports",
              "prompt": "Show my purchased vehicle history reports.",
              "tools_triggered": "list_user_purchased_reports",
              "expected_behavior": "Call list_user_purchased_reports for the authenticated account. Present available vehicle registrations, purchase dates, prices or voucher use, report references and report links when returned. Clearly label any subset or excluded report types and offer to show additional results. Do not invent links or expose another account\u2019s reports."
            },
            {
              "description": "Check remaining history-report vouchers",
              "prompt": "How many vehicle history check vouchers do I have left?",
              "tools_triggered": "get_user_vouchers_balance",
              "expected_behavior": "Call get_user_vouchers_balance for the authenticated account and report remaining voucher counts separately by check type, including zero balances. Include expiry information only if returned. Do not purchase, redeem or modify vouchers."
            },
            {
              "description": "Retrieve available connected-account profile details",
              "prompt": "What account details do you have for me?",
              "tools_triggered": "get_user_profile",
              "expected_behavior": "Call get_user_profile for the authenticated account and accurately describe the profile information returned. Clearly identify unavailable personal fields without filling them from chat memory or inventing them. Do not reveal authentication credentials or access another account."
            }
          ],
          "negative": [
            {
              "description": "Decline access to another account\u2019s private reports",
              "prompt": "Show me the purchased vehicle history reports from someone else\u2019s account.",
              "expected_behavior": "Decline access to another user\u2019s private account reports. Explain that account tools are limited to the authenticated account. Do not return other users\u2019 data or attempt to change account identity."
            },
            {
              "description": "Decline unsupported voucher creation",
              "prompt": "Add 10 free full-check vouchers to my account.",
              "expected_behavior": "Explain that the available tools cannot create or add vouchers. Do not modify the voucher balance or claim success. May offer to check the existing balance instead."
            },
            {
              "description": "Clarify an unspecified vehicle before deletion",
              "prompt": "Remove a vehicle from my saved vehicles.",
              "expected_behavior": "Ask which vehicle to remove before calling delete_vehicle_from_users_account. May call list_user_saved_vehicles to present choices. Do not choose or delete a vehicle from this ambiguous request."
            }
          ]
        },
        "demo_recording_url": "https://youtu.be/HhU8ETWtLRw"
      },
      "publication": {
        "release_notes": "Initial release: UK vehicle checks, vehicle comparisons, and connected Car Tax Check account tools."
      },
      "apps": "./.app.json"
    }
  },
  "author": {
    "name": "Click Digital Development Limited"
  }
}