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Add Cinderfi retirement planning MCP server - #3936

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josephjohansson:add-cinderfi
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Add Cinderfi retirement planning MCP server#3936
josephjohansson wants to merge 2 commits into
modelcontextprotocol:mainfrom
josephjohansson:add-cinderfi

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@josephjohansson

@josephjohansson josephjohansson commented Apr 13, 2026

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New Server: Cinderfi

Adds Cinderfi to the server list — a tax-aware retirement planning MCP server for Canada and the US.

Why it's notable: The only MCP server purpose-built for retirement planning. Uses real federal + provincial/state tax calculation engines, not estimates.

19 tools:

  • CPP/OAS and Social Security timing analysis
  • RRSP/TFSA/LIRA/401k/IRA/Roth year-by-year projections (singles + couples)
  • Monte Carlo simulation with percentile outcomes
  • Withdrawal order optimization (minimize tax / maximize estate / maximize years)
  • Historical backtesting against 150 years of Shiller data (1871–present)
  • GIS eligibility, RRSP meltdown / Roth conversion, pension income splitting
  • Purchase and windfall simulators

Transport: Streamable HTTP (remote server at https://mcp.cinderfi.com/mcp)
Auth: Bearer API key (free tier: 5 calls/day; Pro: unlimited)
API key: https://cinderfi.com/mcp
Source: https://github.com/cinderfi/cinderfi-mcp
MCP Registry: com.cinderfi/retirement-planning

@cliffhall cliffhall closed this Apr 14, 2026
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