Tools
Pay-per-call tools for AI agents.
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Calculator
Evaluate mathematical expressions: arithmetic, algebra, trig, logarithms, unit conversions, and plain English queries.
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Date Utils
Eight date and timezone utilities for AI agents: current date info, time zone conversion, working day checks, and meeting window finder.
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Domain Intelligence
Four signals for any domain or URL — DNS records, WHOIS registration data, HTTP probe, and TLS certificate details.
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Text Extractor
Fetch any URL and get back clean readable text: title, plain text, clean HTML, excerpt, byline, and word count. Powered by Mozilla Readability, the same library that drives Firefox Reader View.
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IP Intelligence
Three signals for any IP address — geolocation, proxy/VPN/Tor reputation, and reverse DNS.
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Phone Number Validator
Validate and parse phone numbers. Returns country, type (mobile/fixed/VoIP), and formatted variants in national, international, and E.164 formats.
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QR Code Generator
Generate QR codes as base64 PNG or SVG. One call, one code, 1 credit.
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Email Validator
Validate an email address and get back a full quality signal: syntax, DNS, MX, disposable check, role account detection, and a quality score.
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Feels-Like Temperature
Calculate the apparent temperature: heat index when it's hot and humid, wind chill when it's cold and windy.
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Sunrise & Sunset
Calculate sunrise, sunset, solar noon, and day length for any location and date. Handles polar day and polar night.
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Age in Units
Calculate age in years, months, weeks, days, hours, and heartbeats from a birthdate.
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Loan Payoff Calculator
Calculate months to payoff, total interest, and total amount paid for a loan given principal, annual rate, and monthly payment.
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Compound Interest
Calculate compound interest with a year-by-year breakdown. Supports any compounding frequency — annual, monthly, daily.
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Elo Rating
Calculate updated Elo ratings for two players after a match. Supports custom K-factor for different competitive contexts.
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Password Entropy
Calculate the entropy, strength rating, and estimated offline crack time of a password. Password is sent over HTTPS and is not stored or logged.
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Boiling Point at Altitude
Calculate the boiling point of water at any altitude. Essential for cooking adjustments at high elevation.
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Horizon Distance
Calculate how far you can see to the horizon from any height. Returns geometric and radio horizons accounting for atmospheric refraction.
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Speed of Sound
Calculate the speed of sound in air, water, steel, or concrete at a given temperature.