MCP server

Australian Heat Pump Hot Water Rebate & Payback

ai.sourcemill/au-hot-water-payback

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Heat pump vs gas hot water (AU): rebate stack, net outlay and payback verdict by postcode.

Working at last checkVerified publisher: sourcemill.aiAbout 634 tokens per request once connected1 tools

https://heatpump.sourcemill.ai/mcp

At a glance

Type: MCP server
Publisher: sourcemill.ai (verified by the MCP Registry)
Status: Working at last check
Tools: 1
Token cost: About 634 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 26 Oct 2026, 08:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http au-hot-water-payback https://heatpump.sourcemill.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.au-hot-water-payback]
url = "https://heatpump.sourcemill.ai/mcp"

Gemini CLI

{"mcpServers":{"au-hot-water-payback":{"httpUrl":"https://heatpump.sourcemill.ai/mcp"}}}

Cursor

{"mcpServers":{"au-hot-water-payback":{"url":"https://heatpump.sourcemill.ai/mcp"}}}

VS Code

{"servers":{"au-hot-water-payback":{"type":"http","url":"https://heatpump.sourcemill.ai/mcp"}}}

Antigravity

agy mcp add au-hot-water-payback https://heatpump.sourcemill.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"au-hot-water-payback","server_url":"https://heatpump.sourcemill.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"au-hot-water-payback","server_url":"https://heatpump.sourcemill.ai/mcp"}

check_hot_water_switch ~634 tokens
Use when someone asks whether a heat pump hot water system is worth it in Australia, which rebates they can stack, how much a heat pump costs after rebates, or how long it takes to pay off — including "can I combine the STC rebate with Victorian Energy Upgrades or Solar Victoria", "do I qualify", an

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