
Calcfi Mcp
Give your agent 24 free calculators for mortgages, paychecks, taxes, and macro series when scoping costs and runway.
Overview
CalcFi MCP is a MCP server for the Validate phase that exposes 24 free personal-finance and macro tools to LLM agents.
What is this MCP server?
- 24 free personal-finance and macro calculation tools exposed for LLM agents
- Covers mortgage, paycheck, tax, FRED, and BLS-style lookups in one MCP server
- Stdio npm package calcfi-mcp-server (v0.1.6) with no paid API key in the manifest
- Hosted reference site at calcfi.app for the underlying calculator suite
- 24 free personal-finance and macro tools
- Package version 0.1.6
- Npm identifier calcfi-mcp-server with stdio transport
What problem does it solve?
Spreadsheet churn and tab-hopping slow down the cost and runway checks you need before committing to a solo build.
Who is it for?
Solo builders who want agent-native financial what-if analysis during scope and pricing conversations.
Skip if: Teams needing audited corporate ledger integrations, proprietary trading systems, or guaranteed SLA financial APIs.
What do I get? / Deliverables
Your agent can run mortgage, paycheck, tax, and macro queries in-session so validation decisions rest on computed numbers.
- Agent-invokable suite of 24 finance and macro tools
- Faster validate-phase cost and tax scenarios
- Single MCP registration replacing ad-hoc calculator prompts
Recommended MCP Servers
Journey fit
Financial validation belongs before you commit to a build—runway, tax, and macro assumptions shape what you ship. Pricing and cost modeling need mortgage, paycheck, and tax tools plus FRED/BLS context to stress-test assumptions.
How it compares
Free calculator and macro tool MCP bundle, not a connected bookkeeping platform like DanBooks.
Common Questions / FAQ
Who is CalcFi MCP for?
Builders and operators who want LLM agents to run personal-finance and macro calculations without custom API glue.
When should I use CalcFi MCP?
Use it while validating pricing, runway, and household cost assumptions—or whenever you need quick FRED/BLS-backed context in chat.
How do I add CalcFi MCP to my agent?
Install the npm package calcfi-mcp-server and add it as a stdio MCP server in your client configuration per the registry entry.