Use InvestorKit in ChatGPT and Claude
Free InvestorKit calculators for home loans, refinancing, funding, budgets, savings plans, shared equity, rent or buy, retirement properties and land tax, right inside your AI chat. No account needed.
Add InvestorKit to your AI
Calculators URL
/mcp/extension/investorkit
Calculators only. No sign-in, no portfolio data.
Then ask, for example: “Use InvestorKit to work out repayments on a $600k loan at 6.2% over 30 years.”
On Team and Enterprise plans, an owner adds it in Organization settings first.
Free plans can add one custom connector.
Try asking
Use InvestorKit to compare renting and buying a $900k home over 10 years.
Use InvestorKit to estimate the cash I need to buy a $750k home in Queensland.
Use InvestorKit to see when I could save a $120k deposit from scratch on $2,500 a month.
Use InvestorKit to estimate land tax on $1.5m of land in NSW.
Already an InvestorKit member?
Add this URL as a connector instead. You'll be asked to sign in, then your AI can use your own InvestorKit workspace, not just the calculators.
Member URL
/mcp
Signs in with your InvestorKit account.
Free account
New to InvestorKit?
Save your scenarios, plan your Portfolio and connect your own workspace to your AI.
Need help?
Questions about the calculators or connecting them to your AI? Email the InvestorKit help desk.