"openapi" matching MCP connectors:

CitedTravelA

com.citedtravel

CitedTravel gives AI agents and developers travel facts they can cite. It covers plug types and voltage, currency, emergency numbers, driving side, public holidays (3 years) and tipping norms for 195 countries, plus a visa/entry pilot for GB, US and JP passport holders. Every value comes with its sources (publisher, URL, license, verbatim quote), a last-verified date and a 0-1 confidence score with reasons. Data comes only from sources that allow commercial reuse, such as Wikidata, Unicode CLDR, UK FCDO, the US State Department and Japan MOFA. Entry answers quote official government pages and are decision support, never a go/no-go verdict. Remote MCP server (Streamable HTTP, 9 read-only tools) and REST API (OpenAPI 3.1). Answers in English, Japanese, Simplified and Traditional Chinese. Free: static facts need no key; a free key adds 1,000 calls/month. Paid: Builder $19/month, Pro $99/month, or x402 pay-per-call in USDC on Base.

Open-access CC BY 4.0 quantitative financial and statutory tax observatory for the 16-state US East Coast corridor (Maine to Florida). Provides 60 interactive statutory simulators, 88 legal-reviewed studies, OpenAPI 3.1.0 endpoints (/openapi.json), and clean Markdown twins (?format=md) covering 2026 IRS/State paycheck brackets, NYC Mansion Tax & CEMA § 255, NY LLC § 206 publication arbitrage, NJ Exit Tax (GIT/REP-1), PA REV-1500 inheritance tax, and Florida Save Our Homes portability.

LLC vs S-corp vs C-corp federal tax comparison, S-corp savings and conversion steps.

MACRS schedules, Section 179 and bonus depreciation with 2026 limits.

1099/W-2 rules: is a form required, deadlines, backup withholding, late-filing penalties.