FreeToolHub
io.github.cavan1977/freetoolhubVersion 2.0.044 calculators for AI agents: US tax, finance, business + an MCP engineering & security suite.
Status
Responds186 msAnswered our handshake without sign-in.- Last checked
- Nov 14, 2026, 14:47 UTC
- Latency
- 186 ms
- Remotes responding
- 1 of 1
- Sign-in
- No sign-in
- Hosting
- Hosted outside the EU (detected)
- Registry data as of
- Nov 14, 2026, 21:12 UTC
Data from the official MCP Registry, checked by run.zero. How we check
Connect
Streamable HTTP
https://freetoolhub.org/api/mcpResponds186 msNo sign-in
Claude Code
claude mcp add --transport http freetoolhub https://freetoolhub.org/api/mcpClaude Desktop and claude.ai
Settings > Connectors > Add custom connector
Name: freetoolhub
Remote MCP server URL: https://freetoolhub.org/api/mcpCursor
{
"mcpServers": {
"freetoolhub": {
"url": "https://freetoolhub.org/api/mcp"
}
}
}VS Code
code --add-mcp '{"name":"freetoolhub","type":"http","url":"https://freetoolhub.org/api/mcp"}'Built your own server? run.zero hosts MCP servers on European infrastructure.
Tools
50 tools
Read-only | Idempotent | Open world | ||
|---|---|---|---|---|
advise_tool_portfolioToo 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 guideline. | Not declared | Not declared | Not declared | Not declared |
audit_mcp_server_securityAudit an MCP server against the OWASP MCP Top 10. Reports authentication, path traversal, command injection, secret exposure and supply-chain risk with a concrete remediation list. | Not declared | Not declared | Not declared | Not declared |
calculate_1099k_taxEstimate tax on 1099-K income (reselling, gig work). SE tax, QBI, quarterly 1040-ES. Uses latest CDN data. | Not declared | Not declared | Not declared | Not declared |
calculate_break_evenBreak-even point: units to sell to cover fixed costs. Contribution margin, target profit analysis. | Not declared | Not declared | Not declared | Not declared |
calculate_capital_gains_taxUS capital gains tax on stock/crypto. Short vs long-term, NIIT 3.8%, state tax. Uses latest CDN LTCG brackets. | Not declared | Not declared | Not declared | Not declared |
calculate_car_loanMonthly car payment, total interest, amortization. Includes sales tax, trade-in, down payment. Uses latest CDN sales tax rates. | Not declared | Not declared | Not declared | Not declared |
calculate_compound_interestCompound interest with monthly contributions. Returns final balance, total interest, inflation-adjusted value. Uses latest CDN inflation rate. | Not declared | Not declared | Not declared | Not declared |
calculate_dropship_profitTrue dropshipping profit after product cost, platform fees, payment processing, ad spend. Uses latest CDN payment processor fees. | Not declared | Not declared | Not declared | Not declared |
calculate_estate_taxCalculate federal estate tax. 2026 exemption $13.61M, 40% rate. Includes marital deduction. | Not declared | Not declared | Not declared | Not declared |
calculate_freelancer_pricingTurn hourly rate into project quote with overhead, profit margin, milestone splits. | Not declared | Not declared | Not declared | Not declared |
calculate_freelancer_taxComplete freelancer tax: SE tax, QBI deduction, federal + state income tax. Returns quarterly payment. Uses latest CDN data. | Not declared | Not declared | Not declared | Not declared |
calculate_github_actions_costEstimate 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. Also reports what the same workload cost before the price cut. | Not declared | Not declared | Not declared | Not declared |
calculate_home_equityCalculate home equity, max borrowable amount (HELOC), and monthly payments. LTV limits included. | Not declared | Not declared | Not declared | Not declared |
calculate_hsa_fsa_savingsCalculate tax savings from HSA and FSA contributions. Federal + FICA + state tax savings. Latest CDN limits. | Not declared | Not declared | Not declared | Not declared |
calculate_income_taxUS income tax for 2026: federal tax bracket by bracket, state tax, marginal vs effective rate. Uses latest IRS brackets from CDN data. | Not declared | Not declared | Not declared | Not declared |
calculate_life_insuranceCalculate life insurance needs using DIME method: Debt, Income, Mortgage, Education. | Not declared | Not declared | Not declared | Not declared |
calculate_loanAny fixed-rate loan: monthly payment, total interest, payoff time, and interest saved by extra monthly payments. | Not declared | Not declared | Not declared | Not declared |
calculate_marginGross margin AND markup for the same deal, plus reverse pricing from a target margin or markup and the real margin cost of a discount. | Not declared | Not declared | Not declared | Not declared |
calculate_mortgageMonthly mortgage payment (P&I) + property tax, insurance, PMI. Full PITI breakdown. Uses latest CDN mortgage rates for defaults. | Not declared | Not declared | Not declared | Not declared |
calculate_pay_raiseWhat 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 raise. | Not declared | Not declared | Not declared | Not declared |
calculate_payroll_taxCalculate paycheck deductions: federal tax, Social Security, Medicare, state tax. All 50 states. Latest CDN data. | Not declared | Not declared | Not declared | Not declared |
calculate_quarterly_taxCalculate quarterly estimated tax payments (Form 1040-ES). SE tax + income tax divided by 4. Latest CDN data. | Not declared | Not declared | Not declared | Not declared |
calculate_rental_affordabilityHow much rent can you afford? 30% rule, DTI ratio, comfortable rent range. | Not declared | Not declared | Not declared | Not declared |
calculate_rental_roiRental property ROI: cap rate, cash-on-cash return, NOI, annual cash flow. Includes vacancy and management. | Not declared | Not declared | Not declared | Not declared |
calculate_reseller_profitCompare real profit across reselling platforms (eBay, Poshmark, Mercari, etc.) after fees. Uses latest CDN platform fee data. | Not declared | Not declared | Not declared | Not declared |
calculate_retirementRetirement projection in today's dollars: projected nest egg, sustainable income at your withdrawal rate, gap, and the monthly contribution that closes it. | Not declared | Not declared | Not declared | Not declared |
calculate_roiROI, ROAS, net profit, CPA, CPC for marketing campaigns. Facebook, Google, TikTok ad analysis. | Not declared | Not declared | Not declared | Not declared |
calculate_se_taxCalculate US self-employment tax (15.3%), QBI deduction, quarterly payments. Uses latest IRS brackets from CDN data. | Not declared | Not declared | Not declared | Not declared |
calculate_student_loanStudent loan payoff: monthly payment, total interest, months saved with extra payments. | Not declared | Not declared | Not declared | Not declared |
calculate_tariffEstimate import duties and landed cost by HS code category. Covers US MFN + Section 301 tariffs. | Not declared | Not declared | Not declared | Not declared |
calculate_tax_refundEstimate US tax refund or balance due before filing: tax owed minus withholding minus credits, federal and state. NOT the IRS refund tracker. | Not declared | Not declared | Not declared | Not declared |
check_economic_nexusCheck which US states you have economic nexus in for sales tax collection. Based on Wayfair ruling. Latest CDN thresholds. | Not declared | Not declared | Not declared | Not declared |
compare_401k_vs_rothCompare 401(k) pre-tax vs Roth IRA post-tax. 30-year growth, tax drag, recommendation. Uses latest CDN contribution limits. | Not declared | Not declared | Not declared | Not declared |
compare_ai_coding_tool_costsCompare 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, then compare the winner against pay-as-you-go API pricing for the same workload. Prices verified 2026-09. | Not declared | Not declared | Not declared | Not declared |
compare_automation_platform_costsCompare real monthly cost on Zapier (per task) versus Make (per operation) for the same workflow volume, including the counting-model difference that makes the two quotes non-obvious. | Not declared | Not declared | Not declared | Not declared |
compare_llc_costCompare LLC formation and maintenance costs across US states. 5-year total cost. Uses latest CDN LLC state fees data. | Not declared | Not declared | Not declared | Not declared |
compare_llm_api_costsRank 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, the cost spread, and which models can actually hold your prompt in their context window. | Not declared | Not declared | Not declared | Not declared |
compare_w2_vs_1099Compare take-home pay: W-2 salary vs 1099 contractor rate. SE tax, FICA, standard deduction, state tax. Latest CDN data. | Not declared | Not declared | Not declared | Not declared |
compress_tool_definitionsShrink MCP tool descriptions and JSON schemas to cut context cost without changing how agents call them. Returns the compressed definitions plus exact token savings. | Not declared | Not declared | Not declared | Not declared |
detect_polling_cost_trapsFind 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 dollars. | Not declared | Not declared | Not declared | Not declared |
estimate_mcp_context_budgetEstimate 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 cost, remaining budget, and ranked reduction advice. | Not declared | Not declared | Not declared | Not declared |
estimate_selfhosted_tcoCompare paying hosted CI overage against running self-hosted runners, including the maintenance hours people forget to cost. Reports the true break-even volume. | Not declared | Not declared | Not declared | Not declared |
find_toolSemantic 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. This is the "find_tool" meta-tool the MCP optimisation literature calls for. | Not declared | Not declared | Not declared | Not declared |
generate_mcp_client_configGenerate ready-to-paste MCP server config for Claude Desktop, Cursor, VS Code and Windsurf from one input. Config completeness decides whether developers can install your server at all. | Not declared | Not declared | Not declared | Not declared |
generate_mcp_server_cardGenerate a SEP-1649 MCP Server Card (/.well-known/mcp/server-card.json) so crawlers and registries can discover your server without connecting to it. | Not declared | Not declared | Not declared | Not declared |
get_sales_tax_rateGet state sales tax rate for any US state. Returns base state rate + estimated local rate. Latest CDN data. | Not declared | Not declared | Not declared | Not declared |
plan_context_window_budgetGiven 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, how much is left for conversation, and whether the server set fits at all. Answers "how many servers can I attach on model X?". | Not declared | Not declared | Not declared | Not declared |
plan_mcp_token_budgetPlan and attribute MCP token spend across agents, servers and workflows — something the protocol provides no native support for. Outputs per-dimension cost split and a quota plan. | Not declared | Not declared | Not declared | Not declared |
score_mcp_server_trustScore 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 know about the server. | Not declared | Not declared | Not declared | Not declared |
validate_mcp_server_cardValidate an MCP Server Card against SEP-1649 and report every missing or malformed field before you publish it. Checks structure (serverInfo, transport, capabilities, authentication) and format (semver version, http(s) transport URL, capabilities.tools entries), returning a full error and warning list. | Not declared | Not declared | Not declared | Not declared |
Details
- Registry status
- Active
- Published
- Sep 15, 2026
- Updated
- Sep 15, 2026
- Categories (suggested)
- Finance and paymentsSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
- GDPR
- Not declared