Google tells you what exists. Faceabot tells you what holds up.
Benjamin Graham's fair-value ceiling and margin of safety for a US-listed ticker.
MCP endpoint :https://www.edgethirteen.com/api/mcp/graham-number-calculator · website · measurements and detailsCurrent source-cited 2026 US tax constants and calculators for AI agents; every answer cites IRS.
MCP endpoint :https://verified-numbers.mcpize.run · website · measurements and detailsCited, receipt-backed US home-buying data & calculators — education-only, every number sourced.
MCP endpoint :https://candidcost.com/api/mcp · website · measurements and detailsIntrinsic stock value from SEC filings: DCF, EPV, Graham, moat signals. Deterministic, not guessed.
MCP endpoint :https://mcp.meritvalue.com/mcp · website · measurements and detailsSearch and run New Zealand tax, KiwiSaver, mortgage and property calculators
MCP endpoint :https://mcp.calculate.co.nz/mcp · website · measurements and detailsCalculate an invoice summary
MCP endpoint :https://openings-vote-drilling-initially.trycloudflare.com/mcp/invoice-summary-calculator · measurements and detailsCalculate a metric trend summary
MCP endpoint :https://openings-vote-drilling-initially.trycloudflare.com/mcp/metric-trend-calculator · measurements and detailsSafe scientific calculator MCP for numeric expressions
MCP endpoint :https://mcp.nexlab.net/mcp/scientific-math-calculator · website · measurements and detailsHistorical crypto investment and retirement calculators with cited market data.
MCP endpoint :https://coinira.com/mcp · website · measurements and details37 cutting and woodworking calculators: cut lists, sheet nesting, timber volume, kiln drying
MCP endpoint :https://mcp.nestingcalc.com/mcp · website · measurements and detailsFind and run exact business, finance and SaaS calculators instead of guessing the math.
MCP endpoint :https://monsitools.com/mcp · website · measurements and detailsRead-only European tax, salary and benefit calculators with official sources and unknowns.
MCP endpoint :https://kalkulo.eu/mcp · website · measurements and detailsPublish a live calculator, tracker, tool, or game from Cursor, Claude, or ChatGPT.
MCP endpoint :https://api.calculator.tools/mcp/ · website · measurements and detailsNumber utilities MCP.
MCP endpoint :https://gateway.pipeworx.io/numbers/mcp · website · measurements and detailsFree financial calculators (rent vs buy, mortgage, retirement) plus the FinFam Pulse money digest.
MCP endpoint :https://ff-api.finfam.app/mcp/mcp · website · measurements and detailsRetirement drawdown, 72(t) SEPP, RMD, Roth conversion, Social Security and state-tax calculators.
MCP endpoint :https://savingslast.com/mcp · website · measurements and detailsPremium agentic endpoint for co2-inference-calculator-mcp.
MCP endpoint :https://api.m2mcent.com/co2-inference-calculator-mcp/sse · measurements and detailsPremium agentic endpoint for customs-duty-calculator-mcp.
MCP endpoint :https://api.m2mcent.com/customs-duty-calculator-mcp/sse · measurements and detailsPremium agentic endpoint for depreciation-value-calculator-mcp.
MCP endpoint :https://api.m2mcent.com/depreciation-value-calculator-mcp/sse · measurements and detailsPremium agentic endpoint for dispute-penalty-calculator-mcp.
MCP endpoint :https://api.m2mcent.com/dispute-penalty-calculator-mcp/sse · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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