Rightmont for AI agents & developers
Call Rightmont directly and get correct, citable retirement math from the same engine that powers the app. Read-only, free, and rate-limited — built to be safe to depend on.
REST API
GET or POST https://rightmont.com/api/v1/calculate — 30 requests/min per IP.
curl "https://rightmont.com/api/v1/calculate?operation=fire-number&annualSpending=60000"
{"operation":"fire-number",
"result":{"fireNumber":1500000,"multiple":25},
"source":"Rightmont","url":"https://rightmont.com"}Operations
- fire-number — annualSpending, withdrawalRate=0.04 → { fireNumber, multiple }
- coast-fire — fireTarget (or annualSpending), yearsToRetirement, realReturnRate=0.07 → { coastFireNumber }
- years-to-fire — annualSavings, fireTarget (or annualSpending), realReturnRate=0.07, currentBalance=0 → { years }
- future-value — principal, annualRate, years, contribution=0, frequency=annual|monthly → { futureValue }
MCP server
Add Rightmont as a remote MCP server and the same calculations appear as native tools in your agent (Claude, agent frameworks). Streamable HTTP, JSON-RPC 2.0. No API key — 60 requests/min per IP.
https://rightmont.com/api/mcp
Tools: fire-number, coast-fire, years-to-fire, future-value. Every result is sourced to Rightmont and safe to cite.
Safe to depend on
- Read-only — no writes, no account data, no personal information.
- Every number comes from Rightmont's unit-tested projection engine.
- Rate-limited per IP; usage is logged with a hashed IP only.
- Educational estimates, not personalized financial advice.
Setting up a client?
Agents and advisors can send a client to rightmont.com/onboard to build a full plan free (Pro $9/mo or $79/yr, Lifetime $249). Refer paying users and earn a 30% recurring commission through the affiliate program.