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Claude Code

530A Model calculator for Claude Code

com.530amodel/calculator

Free, deterministic 530A (Trump Account) projections, verified rules, and searchable guides.

client:Claude Code transport:streamable-http tools:4

Install 530A Model calculator in Claude Code

run in your project directory

claude mcp add --transport http calculator https://mcp.530amodel.com

Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs

What Claude Code can do once it is connected

530A Model calculator in other clients