Every agent-payable API.

Drained-Wallet Incident Guide. An incident-response procedure for a suspected Solana wallet compromise: stopping interaction and preserving evidence before it's lost, distinguishing key/seed compromise from a single malicious approval, creating a verifiably clean new wallet on a clean device, inventorying and safely moving remaining assets with minimum signing, rotating related accounts, and permanently retiring the compromised address rather than reusing it once "quiet."

HTTP health check for any URL - up or down, status code, latency, redirects and server header

Hourly payroll calculator - regular and overtime hours, gross pay and optional withholding estimate

IBAN validation with ISO 7064 MOD 97-10 checksum - country code, check digits and pass/fail

Initial great-circle bearing between two coordinates in compass degrees

Insurance payout estimate from loss, deductible and policy limit - covered and uncovered amounts

Insurance payout estimate from loss, deductible and policy limit - covered and uncovered amounts

Insurance deductible cost-share calculator - member cost and plan cost from allowed amount and coinsurance

Insurance deductible cost-share calculator - member cost and plan cost from allowed amount and coinsurance

XIRR calculator for irregular dated cash flows - annualized return and net cash flow

Irrigation water volume estimate from area, target depth and system efficiency - liters and cubic meters

Case Law Search (U.S. federal + state courts). U.S. case law search across millions of federal and state court opinions (CourtListener): filter by court (scotus, ca9, ...), date range; sort by relevance, newest or most cited. Each case: name, court, date, docket, all reporter citations, times cited, summary, text snippet, opinion and PDF links.

Federal Regulations Search (current eCFR). Search current federal regulations (eCFR): matching sections with CFR citation, heading, part, issuing agency, excerpt and link; filter by CFR title.

Federal Register: New Rules, Proposed Rules & Notices. Federal Register documents: new final rules, proposed rules, notices and presidential documents by keyword, agency, type and date, with effective dates, comment deadlines, affected CFR parts, dockets, abstract and PDF.

U.S. Code Section Text. Full text of any U.S. Code section with its (a)(1)(A) structure preserved, heading, citation, recent amendments and official source link. E.g. 18 U.S.C. 1030 (computer fraud), 42 U.S.C. 1983, 15 U.S.C. 78j-1.

Federal Regulation Section Text (current eCFR). Current text of any federal regulation section (eCFR), e.g. 17 CFR 240.10b-5 or 16 CFR 312.5 (COPPA consent), with heading, source citation and the date it is current as of.

Library Docs — pypi fastapi. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — github colinhacks/zod. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — go github.com/gin-gonic/gin. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — npm zod. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Library Docs — crates serde. Up-to-date library documentation for coding agents: the latest published README and metadata (version, license, install command, docs URL, repository) for any npm, PyPI, crates.io, Go module or GitHub package, split into sections with a table of contents. Ask for only what you need with ?q= (search terms) or ?section= (a heading) instead of the whole file. Unknown packages are free 404s.

Loan-to-value calculator - LTV percentage, equity amount and equity percentage

Magic: The Gathering card lookup by name - mana cost, oracle text, legalities, prices and rulings (Scryfall)

Magic: The Gathering card search using Scryfall query syntax - matching cards with full details

Macro-calorie calculator from protein, carbohydrate, fat and alcohol grams

Manufacturing takt time and hourly capacity from available minutes and demand

Manufacturing yield and scrap rate from good and total units

Manufacturing takt time and hourly capacity from available minutes and demand

OEE calculator from availability, performance and quality percentages

Marketing ROAS and ACOS calculator from ad spend and attributed revenue

Marketing ROAS and ACOS calculator from ad spend and attributed revenue

Chemical material properties from PubChem - formula, molecular weight, InChIKey, XLogP and polar surface area

Aspect ratio calculator - reduce width and height to a ratio and orientation

Aspect ratio calculator - reduce width and height to a ratio and orientation

Crop-to-cover calculator - cover scale, scaled size and centered crop overflow for a target box

Crop-to-cover calculator - cover scale, scaled size and centered crop overflow for a target box

Proportional resize calculator to fit media inside a bounding box - scaled size and factor

HCPCS Level II Code Lookup (CMS). HCPCS Level II medical billing code lookup (CMS), e.g. E0601 or J1100: short and long description, code category (DME, drugs, supplies, ambulance, orthotics), added / effective / terminated dates and obsolete flag. Public domain; CPT codes are AMA-licensed and not covered.

HCPCS Level II Code Search (CMS). HCPCS Level II medical billing code lookup (CMS), e.g. E0601 or J1100: short and long description, code category (DME, drugs, supplies, ambulance, orthotics), added / effective / terminated dates and obsolete flag. Public domain; CPT codes are AMA-licensed and not covered.

Fixed-rate mortgage calculator - monthly payment, total paid and total interest

Art Institute of Chicago artwork record with provenance, exhibition history and object metadata

Email Address Validation (syntax, MX, disposable, role, typos). Email address validation before you send: syntax, whether the domain exists and accepts mail (MX, null-MX), disposable/throwaway provider (8,900+ domains), role address, free provider and typo suggestions (gmial.com -> gmail.com), with a deliverable / risky / undeliverable verdict. No mail is sent.

IP Address Lookup (owner, country, range, abuse contact). IP address lookup from the regional internet registries (RDAP): network name and owner organization, country, address range and CIDR, abuse contact email, registration dates and reverse DNS. IPv4 and IPv6.

Options Chain (strike/IV/OI, nearest expiry). Full BTC/ETH options chain for the nearest (or a chosen) expiry: strike, call/put, mark implied volatility, open interest and 24h volume per contract.

Options Gamma Exposure (GEX). BTC/ETH net gamma exposure (GEX), computed from real open interest and implied volatility via Black-Scholes gamma across all listed expiries: total net GEX, call/put split, top strikes by gamma concentration, and a positive/negative regime read. States its dealer-positioning convention explicitly — this is a market heuristic, not a measured fact.

Options Implied Volatility Index (DVOL). BTC/ETH options implied volatility (Deribit DVOL index): current level, 24h change and a plain-language volatility-regime read.

Options Max Pain (nearest expiry). BTC/ETH options max pain for the nearest (or a chosen) expiry: the strike that minimizes total in-the-money option value, computed from real open interest by strike, plus put/call OI ratio.

Package dimensional weight calculator - volume, dimensional weight and billable weight

Packaged-food allergen and may-contain declarations by barcode, with ingredients (Open Food Facts)

Page metadata for any URL - title, description, Open Graph image, author, published date and canonical URL