io.github.cavan1977/freetoolhub

up checked 2026-11-11T01:38:41.940Z

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Publisher-provided title

FreeToolHub

Publisher-provided description

44 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite.

Summary by lookupd

Runs US tax, loan, mortgage, payroll and business calculations, returning estimates such as taxes owed, payments and profit figures.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http freetoolhub https://freetoolhub.org/api/mcp

Codex, remote (streamable-http)

codex mcp add freetoolhub --url https://freetoolhub.org/api/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "freetoolhub": {
      "url": "https://freetoolhub.org/api/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 50)

Publisher-provided text

• calculate_se_tax Calculate US self-employment tax (15.3%), QBI deduction, quarterly payments. Uses latest IRS brackets from CDN data.
• calculate_freelancer_tax Complete freelancer tax: SE tax, QBI deduction, federal + state income tax. Returns quarterly payment. Uses latest CDN data.
• calculate_1099k_tax Estimate tax on 1099-K income (reselling, gig work). SE tax, QBI, quarterly 1040-ES. Uses latest CDN data.
• calculate_capital_gains_tax US capital gains tax on stock/crypto. Short vs long-term, NIIT 3.8%, state tax. Uses latest CDN LTCG brackets.
• compare_w2_vs_1099 Compare take-home pay: W-2 salary vs 1099 contractor rate. SE tax, FICA, standard deduction, state tax. Latest CDN data.
• get_sales_tax_rate Get state sales tax rate for any US state. Returns base state rate + estimated local rate. Latest CDN data.
• calculate_payroll_tax Calculate paycheck deductions: federal tax, Social Security, Medicare, state tax. All 50 states. Latest CDN data.
• calculate_estate_tax Calculate federal estate tax. 2026 exemption $13.61M, 40% rate. Includes marital deduction.
• calculate_hsa_fsa_savings Calculate tax savings from HSA and FSA contributions. Federal + FICA + state tax savings. Latest CDN limits.
• calculate_quarterly_tax Calculate quarterly estimated tax payments (Form 1040-ES). SE tax + income tax divided by 4. Latest CDN data.
• check_economic_nexus Check which US states you have economic nexus in for sales tax collection. Based on Wayfair ruling. Latest CDN thresholds.
• calculate_tariff Estimate import duties and landed cost by HS code category. Covers US MFN + Section 301 tariffs.
• calculate_compound_interest Compound interest with monthly contributions. Returns final balance, total interest, inflation-adjusted value. Uses latest CDN inflation rate.
• calculate_mortgage Monthly mortgage payment (P&I) + property tax, insurance, PMI. Full PITI breakdown. Uses latest CDN mortgage rates for defaults.
• compare_401k_vs_roth Compare 401(k) pre-tax vs Roth IRA post-tax. 30-year growth, tax drag, recommendation. Uses latest CDN contribution limits.
• calculate_car_loan Monthly car payment, total interest, amortization. Includes sales tax, trade-in, down payment. Uses latest CDN sales tax rates.
• calculate_rental_roi Rental property ROI: cap rate, cash-on-cash return, NOI, annual cash flow. Includes vacancy and management.
• calculate_student_loan Student loan payoff: monthly payment, total interest, months saved with extra payments.
• calculate_roi ROI, ROAS, net profit, CPA, CPC for marketing campaigns. Facebook, Google, TikTok ad analysis.
• calculate_life_insurance Calculate life insurance needs using DIME method: Debt, Income, Mortgage, Education.
• calculate_rental_affordability How much rent can you afford? 30% rule, DTI ratio, comfortable rent range.
• calculate_home_equity Calculate home equity, max borrowable amount (HELOC), and monthly payments. LTV limits included.
• calculate_break_even Break-even point: units to sell to cover fixed costs. Contribution margin, target profit analysis.
• compare_llc_cost Compare LLC formation and maintenance costs across US states. 5-year total cost. Uses latest CDN LLC state fees data.
• calculate_dropship_profit True dropshipping profit after product cost, platform fees, payment processing, ad spend. Uses latest CDN payment processor fees.
• calculate_reseller_profit Compare real profit across reselling platforms (eBay, Poshmark, Mercari, etc.) after fees. Uses latest CDN platform fee data.
• calculate_freelancer_pricing Turn hourly rate into project quote with overhead, profit margin, milestone splits.
• calculate_income_tax US income tax for 2026: federal tax bracket by bracket, state tax, marginal vs effective rate. Uses latest IRS brackets from CDN data.
• calculate_tax_refund Estimate US tax refund or balance due before filing: tax owed minus withholding minus credits, federal and state. NOT the IRS refund tracker.
• calculate_loan Any fixed-rate loan: monthly payment, total interest, payoff time, and interest saved by extra monthly payments.

Details

• Version: 2.0.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 450 ms
• First indexed: 2026-11-01T09:23:00.099Z
• Last seen in registry: 2026-11-01T09:23:00.099Z
• Repository: https://github.com/cavan1977/freetoolhub
• Website: https://freetoolhub.org/mcp/

Badge for your README

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[![lookupd status](https://lookupd.com/badge/io.github.cavan1977/freetoolhub.svg)](https://lookupd.com/servers/io.github.cavan1977/freetoolhub)

• 62071 servers
• Last crawl: 2026-11-11T16:39:06.253Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp