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Find a cheaper plan for a household bill

Your current cost next to the cheapest plans at your address, with the yearly saving and the contract terms.

  • You start it: When you start it
Use in CuiarRun from your AI agent

What it does

The task

Sign in to provider site with the vault and read my current service plan: the price, my usage for the last 12 months, the contract end date and any exit fee. Search comparison sites and the websites of at least 5 other providers for plans at my postcode postcode. Work out the cost of each plan for 12 months with my usage and all fees. Give me a table of the 5 cheapest plans and my current plan, with the yearly cost, the saving, the contract length, the exit fee and the link. Do not switch or sign up for anything.

  • It works in any utility site and any website, in the workspace you pick, and signs in with passwords from your Cuiar vault.
  • It runs once, when you start it.

What you give it

BlankWhat to giveExample
provider siteThe account page of your current provideraccount.lumenenergy.co.uk
serviceElectricity, gas, broadband or mobileElectricity
comparison sitesComparison sites to checkuswitch.com, moneysupermarket.com
postcodeYour postcodeM20 2LT

What you get back

An example run with the example values above. Your run uses your own data.

Electricity at M20 2LT, your usage 2,900 kWh a year

PlanYearly costSavingContractExit fee
Your plan: Lumen Energy Standard Variable812 GBP0 GBPnonenone
Greenway Fix 12731 GBP81 GBP12 months50 GBP
Brightwatt Tracker744 GBP68 GBPnonenone
Coastline Fix 24752 GBP60 GBP24 months75 GBP
Harbor Power Fix 12766 GBP46 GBP12 monthsnone
Northgrid Online779 GBP33 GBP12 months30 GBP

Your plan has no exit fee, so you can switch at any time.

Run it in Cuiar

  1. 01

    Open it

    Click Use in Cuiar on this page. The side panel opens with the task in the composer.

  2. 02

    Fill in 4 blanks

    Type provider site, service, comparison sites and postcode. Tab moves to the next blank.

  3. 03

    Run it

    Run sends it to the agent. Follow each step in the panel, and stop it at any time.

From the terminal

cuiar exec "Sign in to account.lumenenergy.co.uk with the vault and read my current Electricity plan: the price, my usage for the last 12 months, the contract end date and any exit fee. Search uswitch.com, moneysupermarket.com and the websites of at least 5 other providers for plans at my postcode M20 2LT. Work out the cost of each plan for 12 months with my usage and all fees. Give me a table of the 5 cheapest plans and my current plan, with the yearly cost, the saving, the contract length, the exit fee and the link. Do not switch or sign up for anything."

Run it from your AI agent

Claude Code, Codex, Cursor and other MCP clients reach Cuiar at https://mcp.cuiar.com/mcp. Add the server one time, then ask for the task in plain words, or call run_task yourself.

1. Add Cuiar to Claude Code

claude mcp add --transport http cuiar https://mcp.cuiar.com/mcp

2. Ask your agent

Use the Cuiar tool run_task to run my "Find a cheaper plan for a household bill" template with provider site = account.lumenenergy.co.uk; service = Electricity; comparison sites = uswitch.com, moneysupermarket.com; postcode = M20 2LT.

Setup for other agents: AI agents.

The tool call

{
  "name": "run_task",
  "arguments": {
    "task": "Sign in to account.lumenenergy.co.uk with the vault and read my current Electricity plan: the price, my usage for the last 12 months, the contract end date and any exit fee. Search uswitch.com, moneysupermarket.com and the websites of at least 5 other providers for plans at my postcode M20 2LT. Work out the cost of each plan for 12 months with my usage and all fees. Give me a table of the 5 cheapest plans and my current plan, with the yearly cost, the saving, the contract length, the exit fee and the link. Do not switch or sign up for anything."
  }
}

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