QAmcp

Copied. Paste it into Claude Code, Cursor or Codex:Fetch and follow the instructions at https://qamcp.dev/setup.md to test my MCP server.

Your AI finds your server in your project, tests it with QAmcp, explains what's wrong in plain words, fixes it with your OK, and tests again. Read the instructions

NewYour score can change any day. QAmcp Monitor keeps testing your server and emails you when it breaks. Free for 1 server.See what Monitor does →

Directory / DMV Transit

DMV Transit

Q: Is DMV Transit MCP server safe?

QAmcp's test on 3 Nov 2026: None of the hidden-instruction wordings we know were found in its 18 tool descriptions. Its error messages showed no secrets or internal details. All 18 of its tools are labeled read-only. Overall it scored 89/100 on 3 Nov 2026. A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

by dmvtransit.com · https://dmvtransit.com/mcp

Unofficial DC, Maryland and Virginia transit: trips, Metro, buses, rail, fares and alerts.

18 tools✓ all read-only✓ no account neededPricing: not listed

Visit website

89 /100

PASS · WITH NOTES

12 of 12 checks · 3 Nov 2026

Test it now for current results

At a glance

Runs where: On their server. What you send to it goes to them.
What you need: Nothing: it answered without a login
Tools: 18 tools
Its own safety labels: 18 read-only
Memory it takes: About 4,300 tokens of your AI's memory, just for its tool descriptions
Largest answer: About 52.7 KB in our test
Speed: Average answer in our test: 100 ms

Tokens are an estimate: the characters in its tool names, descriptions and inputs, divided by 4. The exact number depends on your AI model. Safety labels are what the server says about itself. From our latest test, 3 Nov 2026.

Is DMV Transit MCP server safe?

None of the hidden-instruction wordings we know were found in its 18 tool descriptions.
Its error messages showed no secrets or internal details.
All 18 of its tools are labeled read-only.
Overall it scored 89/100 on 3 Nov 2026.

A test can only see what the server shows from outside, not what it does with your data behind the scenes. Connect servers from makers you trust.

What this test does not check

Its source code and packages.
What a tool quietly does behind the scenes, such as writing a file or calling another service.
Instructions hidden inside live tool answers. We only look for those in tool descriptions.
Hidden instructions worded in a way our list doesn't know yet.
Tools that could change something. Those are read, never run.

What QAmcp can and can't see · How to tell if an MCP server is safe · Hidden instructions · Prompt injection

Known security advisories

Not looked up yet. QAmcp tests how a server behaves. It does not scan source code.

What it can do

18 tools, in the server's own words.

search_transit_inforead-only

Full-text search of the agencies' web pages: fares, how to pay, accessibility, safety, rules, new-rider/visitor guides, and service-change notices.

get_service_alertsread-only

Live service disruptions: WMATA incidents (Metrorail, Metrobus, elevators) and agencies' GTFS-realtime alerts (detours, closed stops, missed trips).

get_rider_reportsread-only

Recent reports from other RIDERS (crowdsourced on this site): delays, crowding, broken elevators, tips.

get_elevator_escalator_statusread-only

Elevators and escalators currently out of service, optionally for one station.

get_station_inforead-only

Lines served, address, parking availability, transfers, and entrances for a station (accepts a name like "Gallery Place" or a code like "B01").

get_fareread-only

Station-to-station Metrorail fare.

geocode_addressread-only

Find where a street address, hotel, attraction or other place is, in the DC, Maryland and Northern Virginia area.

plan_tripread-only

Real trip options from the agencies' timetables, like the site's map: trips leaving in the 3 hours after the given time from each agency's closest stops (up to…

get_metro_routeread-only

How to ride Metrorail between two stations: which line(s), where to change trains, which direction ("toward ..."), number of stops, and the fare.

list_topicsread-only

List content categories with document counts and data freshness.

get_guideread-only

Full text of the primary guide for a topic: new_rider, visitor, payment, fares, accessibility, safety, or maps.

list_agenciesread-only

Every transit system in the region (WMATA + VRE, Virginia Breeze, Fairfax Connector, ART, DASH, CUE, Loudoun, OmniRide): mode, role, strengths, service area, a…

find_stops_nearread-only

Stops and stations within walking distance of a place, across all agencies.

get_routeread-only

One route from an agency's GTFS schedule: days and hours of service, typical frequency, endpoints, fare, and any live disruptions on it.

transfers_atread-only

Routes from OTHER systems reachable on foot from a station or stop, grouped by agency, each with walk time and its service window from the GTFS schedules.

how_to_payread-only

How to pay to ride one agency.

plan_connectionread-only

Advise on getting between two places across systems: which system for each leg, the transfer hub, WHICH DAYS/TIMES the connection works, and the fare + how to …

estimate_trip_costread-only

Estimate the total fare for a cross-system trip: per-leg fares, how to pay each, and a total — noting each leg is usually a separate payment.

Test results

Safe mode: only tools labeled read-only were run. How the test works

!
Every tool is described
16 warnings
- !search_transit_info: Inputs with no description: query, category, limit
- !get_service_alerts: Inputs with no description: line, station, mode, agency
- !get_rider_reports: Inputs with no description: station, line, days
- !get_elevator_escalator_status: Inputs with no description: station
- !get_station_info: Inputs with no description: station
- !get_fare: Inputs with no description: origin, destination, rider_type
- !geocode_address: Inputs with no description: query, limit
- !plan_trip: Inputs with no description: origin, destination, depart_at
- and 8 more
note
!
Follows MCP best practices (not scored yet)
1 tip (not scored)
- !10 tools answer with structured data but don't declare its shape (outputSchema): get_rider_reports, get_fare, geocode_address, get_metro_route, find_stops_near, get_route and 4 more. If those answers change shape, nothing can catch it; with
note
!
Resources and prompts work
1 warning (2 resources, 1 template)
- !transit://wmata/freshness: Slowest resource took 19.6 s to open
- and 3 more
note
✓
ConnectsConnected in 388 ms
pass
✓
Ready for the newest MCP versionUses the latest MCP version (2026-07-28)
pass
✓
Lists its toolsFound 18 tools
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No known hidden instructionsNone of the hidden-instruction wordings we know were found in tool descriptions. New wordings can get past this check.
pass
✓
Tools work with good inputs
All good
- ✓search_transit_info: Worked (62 ms)
- ✓get_service_alerts: Worked (66 ms)
- ✓get_rider_reports: Worked (56 ms)
- ✓get_elevator_escalator_status: Worked (53 ms)
- ✓get_station_info: Worked (51 ms)
- ✓get_fare: Worked (51 ms)
- ✓geocode_address: Worked (342 ms)
- ✓get_metro_route: Worked (52 ms)
- and 10 more
pass
✓
Bad inputs give a clean error
All good
- ✓search_transit_info: Refused missing required input "query" with a clear error
- ✓search_transit_info: Refused wrong type for "query" with a clear error
- ✓get_rider_reports: Refused wrong type for "days" with a clear error
- ✓get_station_info: Refused missing required input "station" with a clear error
- ✓get_station_info: Refused wrong type for "station" with a clear error
- ✓get_fare: Refused missing required input "origin" with a clear error
- ✓get_fare: Refused wrong type for "origin" with a clear error
- ✓geocode_address: Refused missing required input "query" with a clear error
- and 17 more
pass
✓
Fast enough
All good
- ✓Connecting took 388 ms
- ✓Listing tools took 51 ms
- ✓Average tool answer: 100 ms
- ✓plan_connection: Slowest tool: plan_connection (448 ms)
pass
✓
No secrets leakedChecked 25 error messages: no secrets or internal details
pass
–
Tools work togetherNo tool's answer could be fed into another tool, so there were no chains to test (not counted either way)
not tested

Test it yourself

Free and open source. Same checks, same score.

npx qamcp-cli https://dmvtransit.com/mcp

Show this score on GitHub

Free for every server in the directory. Paste this into your README: the badge shows the score from our latest test.

[![QAmcp score](https://qamcp.dev/s/com-dmvtransit-transit.svg)](https://qamcp.dev/s/com-dmvtransit-transit.html)

Score over time

3 Nov 202689

One test so far. New tests will show here.

Reviews

Coming soon: reviews from people who use DMV Transit, signed in with GitHub, one per person. Reviews never change the score.

Is this your server? Get an alert the moment it breaks.

QAmcp Monitor tests it every hour and emails you when it goes down, the score drops, a tool changes or a secret leaks. Free for 1 server, no card.

Have a concern, or want it removed? Ask us and we'll take it off the list. How the directory works