{
  "markdown": "# @pipeworx/nj-mvc\n\nNew Jersey DMV data: **Motor Vehicle Commission (MVC)** inspection and emission-repair\nfacilities, and the record-level vehicle-inspection results file. Keyless.\n\nPart of [Pipeworx](https://pipeworx.io) — an MCP gateway connecting AI agents to 1476+ live data sources.\n\n## What New Jersey calls its DMV\n\nNew Jersey's agency is the **Motor Vehicle Commission**, universally the **MVC**. Residents say\n\"MVC agency\" where other states say \"DMV office\", so the tool descriptions name both.\n\n## Tools\n\n| Tool | What it returns |\n|---|---|\n| `nj_mvc_inspection_facilities` | All 1,167 licensed private/state inspection and emission-repair facilities — name, address, town, phone, licence id, what they inspect |\n| `nj_mvc_vehicle_inspections` | Pass/fail rates aggregated from 2,314,032 individual inspection tests, by make, model, model year, fuel, body style, test type or cylinder count |\n\n## Auth\n\nNone. `data.nj.gov` is a public Socrata portal; the public rate limit handles these queries\nwithout an app token.\n\n## The distinctive dataset\n\n`gvur-kt7q` is **2,314,032 per-test records**, each carrying make, model, model year, fuel,\nfull OBD-II readiness monitors, and *separate* emissions and safety verdicts. No other state\npublishes inspection outcomes at that grain, which is what makes \"which cars fail New Jersey\nemissions inspection most\" answerable at all.\n\nLive-verified statewide numbers: 2,080,550 passes and 233,477 failures — about a **10% overall\nfail rate**. Split by test type, initial tests fail 8.7% of the time and re-tests 26.7%.\n\n`min_tests` (default 100) exists because a fail-rate ranking without it is meaningless — a\nmodel with three tests and two failures would top every table. `sort=\"fail_rate\"` ranks by\nfailure share; the default ranks by volume.\n\n## Gotchas worth knowing\n\nThese are live-verified behaviours, not guesses:\n\n- **The facility file's `county` column contradicts the address on some rows.** A\n  `WATERFORD WORK` address — Waterford Works is in **Camden** County — is labelled `MORRIS`.\n  The `county` filter is kept because agents ask for counties, but **prefer `city`** when the\n  answer has to be right, and the response says so in its `note`.\n- **These are inspection and repair shops, not licensing agencies.** Someone asking where to\n  renew a New Jersey licence needs an MVC *agency*, which this file does not contain. The tool\n  description is explicit so a router does not send that question here.\n- **Town names are abbreviated and upper case** (`WATERFORD WORK`, not \"Waterford Works\"), so a\n  partial city string matches more reliably than a full one.\n- **Coordinates are missing on some facility rows** — `geocoded_column` is absent rather than\n  null, so `latitude`/`longitude` come back null for those.\n- **Inspection rows are tests, not vehicles.** A car that fails and returns is counted twice;\n  `test_type=\"R\"` isolates the re-tests.\n- **`emissions_failures` and `safety_failures` can overlap** and do not have to sum to `failed`,\n  which is the overall verdict column.\n- **Makes and models are upper case and abbreviated** (`TOYOTA`, `CAMRY`, `F150`).\n- **Model years include junk** — a handful of rows carry 2033 and 2041. `min_tests` filters\n  them out of any ranking by construction.\n- **`nja_vhcl_type` is empty on every row** despite being documented as P/T/H, so it is not\n  offered as a `group_by`. `nja_body_style` is the working equivalent.\n- **`as_of` is fetched concurrently with the data**, not after it. The 2.3M-row aggregate earns\n  a Socrata throttle, and the metadata helper does not retry, so a sequential call\n  intermittently returned a null refresh date.\n- **The inspection file was last refreshed 2026-03-12**; the facility file 2026-07-20. Both are\n  reported in `as_of` rather than assumed current.\n\n## Data sources\n\n- [data.nj.gov](https://data.nj.gov) Socrata `t6tk-mr48` — Vehicle Inspection Facility Locations\n- [data.nj.gov](https://data.nj.gov) Socrata `gvur-kt7q` — Vehicle Inspection Data\n\n## Quick Start\n\nAdd to your MCP client (Claude Desktop, Cursor, Windsurf, etc.):\n\n```json\n{\n  \"mcpServers\": {\n    \"nj-mvc\": {\n      \"url\": \"https://gateway.pipeworx.io/nj-mvc/mcp\"\n    }\n  }\n}\n```\n\n### What this endpoint actually serves\n\n`tools/list` at `https://gateway.pipeworx.io/nj-mvc/mcp` returns the tools in the table\nabove **plus the shared Pipeworx meta-tools** — `ask_pipeworx`,\n`discover_tools`, `search_within`, `remember`/`recall` and the rest of the\ngateway-wide set. So the tool count you see is larger than this table: a\nsingle-pack endpoint currently lists roughly 30 shared tools alongside the\npack's own. The connection's `initialize` response states its exact scope, and\nis the authoritative answer for a given day.\n\nThis is deliberate, not multiplexing by accident. The meta-tools are what let a\nscoped connection answer a question this pack does not cover — via\n`ask_pipeworx`, which routes across the whole catalog — without you adding a\nsecond MCP server. There is currently no way to mount a pack endpoint without\nthem; if the extra schemas cost you more context than the routing is worth,\nconnect to the full gateway once rather than to several pack endpoints.\n\nOr connect to the full Pipeworx gateway to get every pack's tools listed\ndirectly, instead of just this one's:\n\n```json\n{\n  \"mcpServers\": {\n    \"pipeworx\": {\n      \"url\": \"https://gateway.pipeworx.io/mcp\"\n    }\n  }\n}\n```\n\nBoth URLs reach the same gateway and the same 1476+ data sources. The\nonly difference is which pack's tools are listed **directly**; `ask_pipeworx`\nreaches all of them from either one.\n\n## Using with ask_pipeworx\n\nInstead of calling tools directly, you can ask questions in plain English —\nthis works on the pack endpoint above as well as on the full gateway:\n\n```\nask_pipeworx({ question: \"your question about Nj Mvc data\" })\n```\n\nThe gateway picks the right tool and fills the arguments automatically.\n\n## More\n\n- [Docs and guides](https://pipeworx.io/docs)\n- [pipeworx.io](https://pipeworx.io)\n\n## License\n\nMIT\n",
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