calculators
MCP serverDev toolsThis integration gives your AI FIRE (financial independence, retire early) and retirement calculators, plus a portfolio rebalancer that works across multiple currencies. Once added, your AI can work out your retirement numbers and tell you the exact trades to buy and sell to bring a portfolio back on target.
Use calculators in Claude, ChatGPT or Ahel Desktop
Free. Sign in, add calculators and connect your AI. About a minute.
Also: Claude Code · Cursor · Codex
Then ask your AI: use the calculate fire target tool from calculators
No key or account is asked for. Not verified by us yet: Ahel has not run a call through it.
Details
Available today. Use it from your connected AI after setup.
No key or account is asked for. Not verified by us yet: Ahel has not run a call through it.
Add the integration, then ask your AI to run a retirement calculation or rebalance your portfolio.
What your AI can do with it
- Run FIRE and retirement calculations
- Rebalance a portfolio held in multiple currencies
- Get the exact buy and sell trades needed to rebalance
Install calculators
The server’s own address, for the clients that take one directly. Or connect Ahel once and every client you use reads it from one address, with the account kept on Ahel rather than in each client’s config.
Claude Code
claude mcp add --transport http --scope user calculators 'https://mcp.retirecrunch.com/mcp'Run it once in your project, then open /mcp to approve any sign-in the server asks for.
Claude Desktop
https://mcp.retirecrunch.com/mcpAdd a custom connector in Settings, paste this address, and approve the sign-in.
Cursor
cursor://anysphere.cursor-deeplink/mcp/install?name=calculators&config=eyJ1cmwiOiJodHRwczovL21jcC5yZXRpcmVjcnVuY2guY29tL21jcCJ9Open the link and Cursor adds the server at that address.
ChatGPT
https://mcp.retirecrunch.com/mcpIn Settings, enable Developer mode, create an MCP app, and paste this address. Your plan and workspace must allow custom apps.
Codex
codex mcp add calculators --url 'https://mcp.retirecrunch.com/mcp'Run it once, then sign in with codex mcp login calculators if the server asks for an account.
Tools it offers (8)
What this server listed when Ahel dialed its public endpoint in Oct 2026, with no key and no account of yours. The names are the server’s own.
calculate_fire_targetcalculate_coast_firecompute_swiss_property_taxproject_wealth_planget_portfolio_returnsrebalance_portfolioload_portfolioget_rebalance_plan
Advanced
- Delivery
- calculators MCP server → your Ahel connector (mcp.ahel.ai) → your AI.
- Item type
- mcp-server
- Key
com-retirecrunch-calculators- Source
- github.com/malagodia/fire
- Hosted endpoint
https://mcp.retirecrunch.com/mcp