@pipeworx/de-dmv

Delaware DMV MCP — registered vehicles by fuel type, EV adoption, the state's electric vehicle and charging-equipment rebate awards, and reported traffic crashes.

Part of Pipeworx — an MCP gateway connecting AI agents to 1863+ live data sources. This is an independent, unofficial integration — not affiliated with, endorsed by, or published by the upstream provider.

Tools

• de_dmv_vehicle_registrations(fuel_type?) — the whole Delaware fleet by fuel type, with a statewide total. Answers "how many vehicles are registered in Delaware".
• de_dmv_ev_adoption() — battery-electric and plug-in hybrid counts plus their share of every registered Delaware vehicle. Answers "what percentage of cars in Delaware are electric".
• de_dmv_ev_rebates(group_by?, county?, make?, vehicle_type?, purchase_year?, limit?) — Delaware Clean Vehicle Rebate Program awards: amount, county, city, ZIP, purchase date, vehicle type, make, model. Answers "does Delaware have an EV rebate and how much is it".
• de_dmv_charger_rebates(group_by?, county?, brand?, year?, limit?) — rebates paid toward home and workplace charging stations. Answers "does Delaware pay for a home EV charger".
• de_dmv_crash_stats(group_by?, year?, county?, alcohol_involved?, …, limit?) — reported traffic crashes by year, county, weather, light, road surface, impact or day of week.

Auth

Keyless.

Electric+Gas means plug-in hybrid

Delaware's fuel-type snapshot uses two labels a reader will misread:

Electric+Gas is not flex-fuel and not a conventional hybrid. It is also the larger of the two categories (42,287 vs 17,075), so treating it as anything else moves Delaware's EV numbers by a factor of three. de_dmv_ev_adoption reports both separately and sums them into plugin_vehicles.

Verified live 2026-07-29 (snapshot refreshed 2026-07-01): Gas 798,738 · Other (Or None) 88,899 · Electric+Gas 42,287 · Diesel 36,217 · Electric 17,075 · Propane 627 · Comp. Nat. Gas 68 · Liquefied Gas 54 · Convertible 16 · Ethanol 1. Statewide total 983,982; plug-in share 6.0%.

Grain

The fuel snapshot is statewide — no county or ZIP breakdown exists in it, and the returned total_vehicles genuinely is the whole Delaware fleet. The rebate and crash files do carry county, city and ZIP, so those tools group by them.

Hand-typed values in the rebate files

Both rebate files were keyed by hand and the pack folds the variants together, because a raw group-by splits one county across four spellings:

• county: New Castle / new Castle / new castle / New Caslte, plus the city Newark and Rehoboth Beach sitting in the county column.
• vehicle type: Electric / electric / BEV; Plug-in Hybrid / plug in hybrid.
• charger brand: Juicebox / JuiceBox / Juice Box.
• a few purchase dates are transcription errors — one reads 1953 — so filter by purchase_year rather than trusting min/max of the date column.
• two charger-rebate rows carry a corrupted award year of 2081; real years run 2015 onward.

Charger rebates range from $18.66 (a home cord) to $48,816 (a multi-port workplace or public installation) in the same file, so an average rebate sits far above what a household receives. The tool reports awards, total dollars, average rebate and average station cost together for exactly that reason.

Data sources

• https://data.delaware.gov/resource/ity3-3688.json — Registered Vehicles by Fuel Type (10 rows, statewide, refreshed monthly; 2026-07-01 at time of writing).
• https://data.delaware.gov/resource/8z8z-di7f.json — State Rebates for Alternative Fuel Vehicles: 7,758 awards, ~$17.15M paid, 2015 onward.
• https://data.delaware.gov/resource/a9zd-p6sk.json — Electric Vehicle Charging

... View full README on GitHub