FreeToolHub

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

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

Add to your agent

Copy this into your MCP client config:

{
  "mcpServers": {
    "FreeToolHub": {
      "url": "https://freetoolhub.org/api/mcp",
      "transport": "streamable-http"
    }
  }
}

Measured tools (50)

• calculate_se_tax

  Calculate US self-employment tax (15.3%), QBI deduction, quarterly payments. Uses latest IRS brackets from CDN data.

  Parameters:

  • netEarnings (required) — number — Net SE income
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_freelancer_tax

  Complete freelancer tax: SE tax, QBI deduction, federal + state income tax. Returns quarterly payment. Uses latest CDN data.

  Parameters:

  • grossIncome (required) — number — Gross freelance income
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status
  • businessExpenses — number — Deductible expenses

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_1099k_tax

  Estimate tax on 1099-K income (reselling, gig work). SE tax, QBI, quarterly 1040-ES. Uses latest CDN data.

  Parameters:

  • grossReceipts (required) — number — Total 1099-K receipts
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status
  • otherExpenses — number — Other expenses
  • costOfGoodsSold — number — COGS

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • purchasePrice (required) — number — Cost basis
  • salePrice (required) — number — Sale price
  • holdingPeriodDays (required) — number — Days held (>365=long-term)
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status
  • ordinaryIncome — number — Annual ordinary income

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • w2Salary (required) — number — W-2 annual salary
  • contractorRate (required) — number — 1099 annual income
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_sales_tax_rate

  Get state sales tax rate for any US state. Returns base state rate + estimated local rate. Latest CDN data.

  Parameters:

  • state (required) — string — US state abbreviation (e.g. CA, NY, TX)
  • amount — number — Purchase amount (optional)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_payroll_tax

  Calculate paycheck deductions: federal tax, Social Security, Medicare, state tax. All 50 states. Latest CDN data.

  Parameters:

  • grossSalary (required) — number — Annual gross salary
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status
  • retirementContribution — number — 401(k) contribution

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_estate_tax

  Calculate federal estate tax. 2026 exemption $13.61M, 40% rate. Includes marital deduction.

  Parameters:

  • estateValue (required) — number — Total estate value
  • spousalInheritance — number — Amount left to spouse (marital deduction)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_hsa_fsa_savings

  Calculate tax savings from HSA and FSA contributions. Federal + FICA + state tax savings. Latest CDN limits.

  Parameters:

  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status
  • marginalRate — number — Your marginal tax rate % (e.g. 24)
  • fsaContribution — number — FSA annual contribution
  • hsaContribution — number — HSA annual contribution

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_quarterly_tax

  Calculate quarterly estimated tax payments (Form 1040-ES). SE tax + income tax divided by 4. Latest CDN data.

  Parameters:

  • annualIncome (required) — number — Estimated annual net income
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status
  • businessExpenses — number — Estimated expenses

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• check_economic_nexus

  Check which US states you have economic nexus in for sales tax collection. Based on Wayfair ruling. Latest CDN thresholds.

  Parameters:

  • totalSales (required) — number — Total annual US sales
  • statesWithSales — number — Number of states you sell to

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_tariff

  Estimate import duties and landed cost by HS code category. Covers US MFN + Section 301 tariffs.

  Parameters:

  • productValue (required) — number — Product value (FOB)
  • freight — number — Freight cost
  • category — string — Product category
  • tariffRate — number — Tariff rate % (e.g. 7.5 for 7.5%)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_compound_interest

  Compound interest with monthly contributions. Returns final balance, total interest, inflation-adjusted value. Uses latest CDN inflation rate.

  Parameters:

  • principal (required) — number — Initial investment
  • annualRate (required) — number — Annual rate % (e.g. 7)
  • years (required) — number — Years
  • inflationRate — number — Inflation rate % (default: from CDN)
  • monthlyContribution — number — Monthly contribution

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_mortgage

  Monthly mortgage payment (P&I) + property tax, insurance, PMI. Full PITI breakdown. Uses latest CDN mortgage rates for defaults.

  Parameters:

  • homePrice (required) — number — Home price
  • downPayment (required) — number — Down payment
  • interestRate — number — Interest rate % (default: from CDN)
  • insuranceRate — number — Insurance % (default 0.35)
  • loanTermYears — number — Loan term years
  • propertyTaxRate — number — Property tax % (default 1.1)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • annualContribution (required) — number — Annual contribution
  • currentTaxRate (required) — number — Current tax rate %
  • retirementTaxRate (required) — number — Expected retirement tax rate %
  • years — number — Years to retirement (default 30)
  • annualReturn — number — Annual return % (default 7)
  • employerMatch — number — Employer match $/yr

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_car_loan

  Monthly car payment, total interest, amortization. Includes sales tax, trade-in, down payment. Uses latest CDN sales tax rates.

  Parameters:

  • price (required) — number — Car price
  • interestRate (required) — number — Interest rate %
  • state — string — US state for sales tax lookup
  • tradeIn — number — Trade-in value
  • downPayment — number — Down payment
  • salesTaxRate — number — Sales tax % (default: from CDN by state)
  • loanTermMonths — number — Loan term months (default 60)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_rental_roi

  Rental property ROI: cap rate, cash-on-cash return, NOI, annual cash flow. Includes vacancy and management.

  Parameters:

  • propertyValue (required) — number — Property value
  • monthlyRent (required) — number — Monthly rent
  • downPayment (required) — number — Down payment
  • vacancyRate — number — Vacancy rate % (default 5)
  • interestRate — number — Mortgage rate %
  • managementRate — number — Property management % (default 8)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_student_loan

  Student loan payoff: monthly payment, total interest, months saved with extra payments.

  Parameters:

  • loanAmount (required) — number — Loan amount
  • interestRate (required) — number — Interest rate %
  • extraPayment — number — Extra monthly payment
  • loanTermYears — number — Loan term years (default 10)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_roi

  ROI, ROAS, net profit, CPA, CPC for marketing campaigns. Facebook, Google, TikTok ad analysis.

  Parameters:

  • revenue (required) — number — Total revenue
  • cost (required) — number — Total cost
  • clicks — number — Ad clicks (for CPC)
  • adSpend — number — Ad spend (for ROAS)
  • conversions — number — Conversions (for CPA)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_life_insurance

  Calculate life insurance needs using DIME method: Debt, Income, Mortgage, Education.

  Parameters:

  • annualIncome (required) — number — Annual income (for income replacement)
  • debt — number — Outstanding debt (excluding mortgage)
  • savings — number — Existing savings/insurance
  • children — number — Number of children
  • mortgage — number — Mortgage balance
  • collegeFund — number — College fund per child
  • yearsToReplace — number — Years to replace income (default 10)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_rental_affordability

  How much rent can you afford? 30% rule, DTI ratio, comfortable rent range.

  Parameters:

  • monthlyIncome (required) — number — Monthly income
  • monthlyDebts — number — Monthly debt payments

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_home_equity

  Calculate home equity, max borrowable amount (HELOC), and monthly payments. LTV limits included.

  Parameters:

  • homeValue (required) — number — Current home value
  • mortgageBalance (required) — number — Remaining mortgage balance
  • interestRate — number — HELOC rate %
  • loanTermYears — number — Loan term years (default 15)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_break_even

  Break-even point: units to sell to cover fixed costs. Contribution margin, target profit analysis.

  Parameters:

  • fixedCosts (required) — number — Fixed costs
  • pricePerUnit (required) — number — Price per unit
  • variableCostPerUnit (required) — number — Variable cost per unit
  • targetProfit — number — Target profit

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• compare_llc_cost

  Compare LLC formation and maintenance costs across US states. 5-year total cost. Uses latest CDN LLC state fees data.

  Parameters:

  • state — string — State abbreviation (optional, omit for comparison)
  • years — number — Years to calculate (default 5)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_dropship_profit

  True dropshipping profit after product cost, platform fees, payment processing, ad spend. Uses latest CDN payment processor fees.

  Parameters:

  • salePrice (required) — number — Selling price
  • productCost (required) — number — Product cost
  • adSpendPerOrder (required) — number — Ad spend per order
  • platform — string — Platform (shopify/etsy/woocommerce)
  • shippingCost — number — Shipping cost
  • paymentProcessor — string — Payment processor ID

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_reseller_profit

  Compare real profit across reselling platforms (eBay, Poshmark, Mercari, etc.) after fees. Uses latest CDN platform fee data.

  Parameters:

  • purchasePrice (required) — number — Purchase price
  • salePrice (required) — number — Sale price
  • state — string — US state for tax estimate
  • shippingCost — number — Shipping cost

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_freelancer_pricing

  Turn hourly rate into project quote with overhead, profit margin, milestone splits.

  Parameters:

  • hourlyRate (required) — number — Desired hourly rate
  • projectHours (required) — number — Estimated project hours
  • overheadPct — number — Overhead % (default 20)
  • profitMarginPct — number — Profit margin % (default 15)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • grossIncome (required) — number — Gross annual income
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • filingStatus — string — Tax filing status
  • preTaxDeductions — number — Pre-tax deductions (401k, HSA)
  • itemizedDeductions — number — Itemized deductions (used only if above standard)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • grossIncome (required) — number — Gross annual income
  • federalWithheld (required) — number — Federal tax already withheld
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • credits — number — Tax credits (e.g. Child Tax Credit)
  • filingStatus — string — Tax filing status
  • stateWithheld — number — State tax withheld
  • preTaxDeductions — number — Pre-tax deductions (401k, HSA)
  • itemizedDeductions — number — Itemized deductions

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• calculate_loan

  Any fixed-rate loan: monthly payment, total interest, payoff time, and interest saved by extra monthly payments.

  Parameters:

  • principal (required) — number — Loan amount
  • interestRate (required) — number — Annual interest rate %
  • termYears (required) — number — Loan term in years
  • extraMonthlyPayment — number — Extra monthly payment

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • currentAge (required) — number — Current age
  • retirementAge (required) — number — Planned retirement age
  • currentSavings (required) — number — Current retirement savings
  • monthlyContribution (required) — number — Monthly contribution
  • annualReturnPct (required) — number — Expected annual return %
  • inflationPct (required) — number — Expected inflation %
  • desiredAnnualIncome (required) — number — Desired annual income in retirement (today's dollars)
  • withdrawalRatePct — number — Withdrawal rate % (default 4)
  • otherRetirementIncome — number — Other retirement income, e.g. Social Security (today's dollars)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • cost (required) — number — Unit cost (what you paid)
  • price — number — Selling price — omit if you are solving from a target
  • marginPct — number — Target gross margin % — solve for price
  • markupPct — number — Target markup % — solve for price
  • discountPct — number — Discount to test against the resulting price

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 raise.

  Parameters:

  • currentSalary (required) — number — Current annual salary
  • state — string — US state abbreviation (e.g. CA, NY, TX)
  • raisePct — number — Raise as a percentage, e.g. 5 (negative for a cut)
  • raiseAmount — number — Raise as a dollar amount — takes priority over raisePct
  • filingStatus — string — Tax filing status
  • preTaxDeductions — number — Pre-tax deductions (401k, HSA), held constant

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 cost, remaining budget, and ranked reduction advice.

  Parameters:

  • config (required) — ['string', 'array', 'object'] — Your MCP config as JSON. Either {"mcpServers":{...}} or a raw {name:{...}} map. Each server may declare "tools":[{name,description,inputSchema}]. Accepts a JSON object, or a JSON string containing one.
  • contextWindow — number — Model context window in tokens (default 200000)
  • reservedForConversation — number — Tokens you want to keep for the actual conversation (default 40000)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 savings.

  Parameters:

  • definitions (required) — ['string', 'array', 'object'] — JSON array of tool definitions to compress. Each item: {name, description, inputSchema}. Accepts a JSON array, or a JSON string containing one.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 know about the server.

  Parameters:

  • stars — number — GitHub stars
  • repoExists — boolean — Is the declared GitHub repo still reachable?
  • serverName — string — Server name (for the report)
  • hasToolDocs — boolean — Does the README document the exposed tools and required credentials?
  • npmDeprecated — boolean — Is the npm/PyPI package marked deprecated?
  • hasInstallConfig — boolean — Does it ship a working install config for Claude Desktop / Cursor / VS Code?
  • inOfficialRegistry — boolean — Is it listed in the official MCP registry?
  • daysSinceLastCommit — number — Days since the last commit

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 concrete remediation list.

  Parameters:

  • serverName — string — Server name (for the report)
  • executesCommands — boolean — Does it execute shell commands or spawn processes?
  • hasAuthentication — boolean — Does the server enforce authentication on every request?
  • usesStdioTransport — boolean — Does it run over local STDIO transport?
  • hasHardcodedSecrets — boolean — Are credentials hardcoded in the source or config?
  • performsFileOperations — boolean — Does it read/write files based on model-supplied paths?
  • restrictsNetworkEgress — boolean — Are outbound network destinations restricted?
  • hasProvenanceAttestation — boolean — Is the package published with build provenance / trusted publishing?
  • acceptsUserInputInCommands — boolean — Is untrusted input interpolated into commands or queries?

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • name (required) — string — Server name
  • description (required) — string — What the server does
  • tools — ['string', 'array', 'object'] — Optional JSON array of {name, description} for the capability summary. Accepts a JSON array, or a JSON string containing one.
  • version — string — Server version (semver)
  • transport — string — Transport: streamable-http or sse (default streamable-http)
  • endpointUrl — string — Public Streamable HTTP endpoint URL
  • requiresAuth — boolean — Does the server require authentication?

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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, capabilities, authentication) and format (semver version, http(s) transport URL, capabilities.tools entries), returning a full error and warning list.

  Parameters:

  • card (required) — ['string', 'array', 'object'] — The server-card.json content to validate. Accepts a JSON object, or a JSON string containing one.

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 guideline.

  Parameters:

  • tools (required) — ['string', 'array', 'object'] — JSON array of {name, category?, callsPerDay?, description?}. Accepts a JSON array, or a JSON string containing one.
  • targetToolCount — number — Target number of tools to keep (default 12)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 split and a quota plan.

  Parameters:

  • workloads (required) — ['string', 'array', 'object'] — JSON array of {name, callsPerDay, inputTokensPerCall, outputTokensPerCall, owner?}. Accepts a JSON array, or a JSON string containing one.
  • monthlyBudget — number — Optional monthly budget cap in USD for over/under comparison
  • inputPricePerMillion — number — Input price per 1M tokens in USD (default 3)
  • outputPricePerMillion — number — Output price per 1M tokens in USD (default 15)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 install your server at all.

  Parameters:

  • serverName (required) — string — Server name used as the config key
  • env — ['string', 'array', 'object'] — JSON object of environment variables. Accepts a JSON object, or a JSON string containing one.
  • url — string — Endpoint URL for remote/streamable-http servers
  • args — ['string', 'array', 'object'] — JSON array of command arguments. Accepts a JSON array, or a JSON string containing one.
  • command — string — Launch command for stdio servers (e.g. npx)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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. This is the "find_tool" meta-tool the MCP optimisation literature calls for.

  Parameters:

  • query (required) — string — Natural-language description of what you want to accomplish
  • limit — number — Maximum number of tools to return (default 3)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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. Also reports what the same workload cost before the price cut.

  Parameters:

  • plan — string — GitHub plan: free, pro, team or enterprise (default free)
  • publicRepo — boolean — Are these workflows in public repositories? (unlimited free)
  • linuxMinutes — number — Linux runner minutes per month
  • macosMinutes — number — macOS runner minutes per month
  • windowsMinutes — number — Windows runner minutes per month

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 two quotes non-obvious.

  Parameters:

  • runsPerMonth (required) — number — Workflow executions per month
  • stepsPerRun (required) — number — Total steps (trigger + actions) per run
  • workflowCount — number — Number of distinct workflows (default 1)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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 dollars.

  Parameters:

  • workflows (required) — ['string', 'array', 'object'] — JSON array of {name, triggerType: "polling"|"webhook", intervalMinutes, runsPerMonth, stepsPerRun, hasBranching?}. Accepts a JSON array, or a JSON string containing one.
  • platform — string — zapier or make (default zapier)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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.

  Parameters:

  • monthlyMinutes (required) — number — Current hosted runner minutes per month
  • runnerType — string — linux, windows or macos (default linux)
  • engineerHourlyCost — number — Fully-loaded engineer cost per hour in USD (default 75)
  • maintenanceHoursPerMonth — number — Hours per month spent maintaining self-hosted runners (default 4)
  • runnerHostingCostPerMonth — number — Monthly infra cost for the self-hosted runner(s) in USD (default 20)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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, then compare the winner against pay-as-you-go API pricing for the same workload. Prices verified 2026-09.

  Parameters:

  • seats — number — Number of developer seats (default 1)
  • apiModel — string — Model id for the API baseline (default claude-4-sonnet)
  • usageLevel — string — Usage intensity: light, standard, heavy or extreme (default standard)
  • includeApiBaseline — boolean — Also compute the pay-as-you-go API cost for the same workload (default true)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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, the cost spread, and which models can actually hold your prompt in their context window.

  Parameters:

  • callsPerMonth (required) — number — Number of API calls per month
  • topN — number — How many models to return, cheapest first (default 8)
  • provider — string — Filter to one provider: openai, anthropic, google, deepseek or meta
  • minContextWindow — number — Only include models whose context window is at least this many tokens
  • inputTokensPerCall — number — Average input (prompt) tokens per call
  • outputTokensPerCall — number — Average output (completion) tokens per call

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• 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, how much is left for conversation, and whether the server set fits at all. Answers "how many servers can I attach on model X?".

  Parameters:

  • servers (required) — ['string', 'array', 'object'] — JSON array of {name, toolCount, avgTokensPerTool?} — e.g. [{"name":"github","toolCount":35}]. Accepts a JSON array, or a JSON string containing one.
  • avgTokensPerTool — number — Default tokens per tool definition when a server omits it (default 550)
  • reserveForOutput — number — Tokens to reserve for the model response (default 8000)
  • conversationShare — number — Fraction of the window you want left for human/agent conversation, 0-1 (default 0.25)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

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Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.