# Cavan1977 Freetoolhub MCP server

Source: https://glimind.com/server/mcp-registry%2Fio.github.cavan1977%2Ffreetoolhub
Registry id: `mcp-registry/io.github.cavan1977/freetoolhub`
Status: live (checked 2026-10-27T02:15:35.552Z)

## Measurements (30 days)

- Uptime: 100%
- Checks: 4989
- Outages (90 days): 0

## Install

```json
{
  "mcpServers": {
    "cavan1977-freetoolhub-mcp-server": {
      "type": "http",
      "url": "https://freetoolhub.org/api/mcp"
    }
  }
}
```

Claude Code:

```sh
claude mcp add --transport http cavan1977-freetoolhub-mcp-server https://freetoolhub.org/api/mcp
```

## Tools (50)

- `advise_tool_portfolio`: Too many MCP tools makes agents pick the wrong one. Given your tool list and usage, get keep / merge / remove recommendations to get under the 10–15 tool guidel
- `audit_mcp_server_security`: Audit an MCP server against the OWASP MCP Top 10. Reports authentication, path traversal, command injection, secret exposure and supply-chain risk with a concre
- `calculate_1099k_tax`: Estimate tax on 1099-K income (reselling, gig work). SE tax, QBI, quarterly 1040-ES. Uses latest CDN data.
- `calculate_break_even`: Break-even point: units to sell to cover fixed costs. Contribution margin, target profit analysis.
- `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.
- `calculate_car_loan`: Monthly car payment, total interest, amortization. Includes sales tax, trade-in, down payment. Uses latest CDN sales tax rates.
- `calculate_compound_interest`: Compound interest with monthly contributions. Returns final balance, total interest, inflation-adjusted value. Uses latest CDN inflation rate.
- `calculate_dropship_profit`: True dropshipping profit after product cost, platform fees, payment processing, ad spend. Uses latest CDN payment processor fees.
- `calculate_estate_tax`: Calculate federal estate tax. 2026 exemption $13.61M, 40% rate. Includes marital deduction.
- `calculate_freelancer_pricing`: Turn hourly rate into project quote with overhead, profit margin, milestone splits.
- `calculate_freelancer_tax`: Complete freelancer tax: SE tax, QBI deduction, federal + state income tax. Returns quarterly payment. Uses latest CDN data.
- `calculate_github_actions_cost`: Estimate a GitHub Actions monthly bill using the January 2026 runner rates (Linux $0.006/min, Windows $0.010, macOS $0.062), accounting for plan allowances. Als
- `calculate_home_equity`: Calculate home equity, max borrowable amount (HELOC), and monthly payments. LTV limits included.
- `calculate_hsa_fsa_savings`: Calculate tax savings from HSA and FSA contributions. Federal + FICA + state tax savings. Latest CDN limits.
- `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_life_insurance`: Calculate life insurance needs using DIME method: Debt, Income, Mortgage, Education.
- `calculate_loan`: Any fixed-rate loan: monthly payment, total interest, payoff time, and interest saved by extra monthly payments.
- `calculate_margin`: Gross margin AND markup for the same deal, plus reverse pricing from a target margin or markup and the real margin cost of a discount.
- `calculate_mortgage`: Monthly mortgage payment (P&I) + property tax, insurance, PMI. Full PITI breakdown. Uses latest CDN mortgage rates for defaults.
- `calculate_pay_raise`: What a raise is actually worth after tax. Runs the real brackets before and after, so bracket crossings are handled — not a flat marginal rate applied to the ra
- `calculate_payroll_tax`: Calculate paycheck deductions: federal tax, Social Security, Medicare, state tax. All 50 states. Latest CDN data.
- `calculate_quarterly_tax`: Calculate quarterly estimated tax payments (Form 1040-ES). SE tax + income tax divided by 4. Latest CDN data.
- `calculate_rental_affordability`: How much rent can you afford? 30% rule, DTI ratio, comfortable rent range.
- `calculate_rental_roi`: Rental property ROI: cap rate, cash-on-cash return, NOI, annual cash flow. Includes vacancy and management.
- `calculate_reseller_profit`: Compare real profit across reselling platforms (eBay, Poshmark, Mercari, etc.) after fees. Uses latest CDN platform fee data.
- `calculate_retirement`: Retirement projection in today's dollars: projected nest egg, sustainable income at your withdrawal rate, gap, and the monthly contribution that closes it.
- `calculate_roi`: ROI, ROAS, net profit, CPA, CPC for marketing campaigns. Facebook, Google, TikTok ad analysis.
- `calculate_se_tax`: Calculate US self-employment tax (15.3%), QBI deduction, quarterly payments. Uses latest IRS brackets from CDN data.
- `calculate_student_loan`: Student loan payoff: monthly payment, total interest, months saved with extra payments.
- `calculate_tariff`: Estimate import duties and landed cost by HS code category. Covers US MFN + Section 301 tariffs.
- `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.
- `check_economic_nexus`: Check which US states you have economic nexus in for sales tax collection. Based on Wayfair ruling. Latest CDN thresholds.
- `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.
- `compare_ai_coding_tool_costs`: Compare monthly and annual cost of AI coding subscriptions (GitHub Copilot, Cursor, Claude Code/Pro/Max, OpenAI Codex) for a given team size and usage intensity
- `compare_automation_platform_costs`: Compare real monthly cost on Zapier (per task) versus Make (per operation) for the same workflow volume, including the counting-model difference that makes the 
- `compare_llc_cost`: Compare LLC formation and maintenance costs across US states. 5-year total cost. Uses latest CDN LLC state fees data.
- `compare_llm_api_costs`: Rank 18 LLM models by the real monthly cost of a given workload (input/output tokens per call × calls per month). Reports the cheapest and most expensive option
- `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.
- `compress_tool_definitions`: Shrink MCP tool descriptions and JSON schemas to cut context cost without changing how agents call them. Returns the compressed definitions plus exact token sav
- `detect_polling_cost_traps`: Find the most common hidden cost in no-code automation: using polling where a webhook would do. Quantifies the wasted task/operation quota and the monthly dolla
- `estimate_mcp_context_budget`: Estimate how much of an LLM context window your MCP servers consume, and which tool definitions to cut first. Paste your MCP config. Returns per-server token co
- `estimate_selfhosted_tco`: Compare paying hosted CI overage against running self-hosted runners, including the maintenance hours people forget to cost. Reports the true break-even volume.
- `find_tool`: Semantic tool router. Given a natural-language intent, return only the most relevant tools from this server so the client can inject 3 schemas instead of 27. Th
- `generate_mcp_client_config`: Generate ready-to-paste MCP server config for Claude Desktop, Cursor, VS Code and Windsurf from one input. Config completeness decides whether developers can in
- `generate_mcp_server_card`: Generate a SEP-1649 MCP Server Card (/.well-known/mcp/server-card.json) so crawlers and registries can discover your server without connecting to it.
- `get_sales_tax_rate`: Get state sales tax rate for any US state. Returns base state rate + estimated local rate. Latest CDN data.
- `plan_context_window_budget`: Given a set of MCP servers and their tool counts, show for every model context window (128K, 200K, 1M, 10M) how much of the window the tool definitions consume,
- `plan_mcp_token_budget`: Plan and attribute MCP token spend across agents, servers and workflows — something the protocol provides no native support for. Outputs per-dimension cost spli
- `score_mcp_server_trust`: Score an MCP server A–F on trustworthiness and maintenance health, so you can choose between four servers that all claim to do the same thing. Supply what you k
- `validate_mcp_server_card`: Validate an MCP Server Card against SEP-1649 and report every missing or malformed field before you publish it. Checks structure (serverInfo, transport, capabil

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