FinPlan Finance Engine FAQs

Question 1

What is the FinPlan skill for Claude Code?

Accepted Answer

FinPlan is a specialized skill that allows Claude to act as a personal finance engine, performing complex calculations like Monte Carlo projections, tax modeling, and Social Security analysis via the Model Context Protocol (MCP).

Question 2

How is financial state saved between sessions?

Accepted Answer

FinPlan uses local JSON state persistence. Users can use commands like /save-state and /read-state to maintain their financial profile, accounts, and goals across different Claude sessions.

Question 3

Does this skill support US-specific tax laws?

Accepted Answer

Yes, FinPlan is designed to account for US federal income tax, capital gains, and Social Security regulations when projecting financial outcomes.

Question 4

How does FinPlan handle large financial datasets?

Accepted Answer

To save context window tokens, FinPlan uses a file-based response system where large arrays and timeseries data are written to a file server, returning a compact summary and URL instead of raw data.

Question 5

Can FinPlan help with mortgage and debt planning?

Accepted Answer

Yes, it includes specialized tools for generating mortgage amortization schedules, calculating monthly payments, and analyzing principal/interest splits.

FinPlan Finance Engine

Key Features

Use Cases

FinPlan Finance Engine

Key Features

Use Cases