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Atmy air quality

Q: Is Atmy air quality MCP server safe?

QAmcp's test on 24 Oct 2026: No hidden instructions were found in its tool descriptions. Its error messages showed no secrets or internal details. All 5 of its tools are labeled read-only. Overall it scored 84/100 on 24 Oct 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 atmy.ai · https://api.atmy.ai/mcp

PM2.5 now, daily history, forecast and country rankings for 300+ cities from citizen sensors.

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

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84 /100

PASS · WITH NOTES

11 of 11 checks · 24 Oct 2026

Is Atmy air quality MCP server safe?

No hidden instructions were found in its tool descriptions.
Its error messages showed no secrets or internal details.
All 5 of its tools are labeled read-only.
Overall it scored 84/100 on 24 Oct 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 it can do

5 tools, in the server's own words.

search_citiesread-only

Find the cities with an Atmy air-quality summary by name (any language) or country.

get_air_qualityread-only

PM2.5 now in a city (mean of the latest reading of each eligible sensor, at most 60 minutes old) with its US EPA category, plus the last completed day from the…

get_air_quality_historyread-only

Daily PM2.5 of a city from the Atmy Data Hub (UTC days, sensors after the quality check), up to 400 days back.

get_city_forecastread-only

The next hours of a city: temperature, wind, humidity, precipitation and the pollution accumulation index 0–100 (how strongly the weather keeps particles near …

get_country_rankingread-only

Cities of a country ranked by daily PM2.5 for the last completed day (Atmy Data Hub), most polluted or cleanest first.

Test results

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

!
Ready for the newest MCP version
1 warning
- !Uses an older MCP version (2025-06-18). It works today, but it isn't on the July 2026 version (2026-07-28) yet.
note
!
Every tool is described
3 warnings
- !search_cities: Inputs with no description: limit
- !get_city_forecast: Inputs with no description: hours
- !get_country_ranking: Inputs with no description: order, limit
note
!
Bad inputs give a clean error
1 warning
- !search_cities: Accepted wrong type for "query" without complaining
- and 5 more
note
✓
ConnectsConnected in 887 ms
pass
✓
Lists its toolsFound 5 tools
pass
✓
Tools are labeled safe or dangerousEvery tool has a safety label
pass
✓
No hidden instructionsNo hidden instructions found in tool descriptions
pass
✓
Tools work with good inputs
All good
- ✓search_cities: Worked (196 ms)
- ✓get_air_quality: Answered with an error, probably because of our sample input: { "error": { "code": "city_required", "message": "Pass ?city= (name, slug or id) or ?lat=&lon=." }, "docs": "https://api.atmy.ai/v1/openapi…
- ✓get_air_quality_history: Answered with an error, probably because of our sample input: { "error": { "code": "city_required", "message": "Pass ?city= (name, slug or id) or ?lat=&lon=." }, "docs": "https://api.atmy.ai/v1/openapi…
- ✓get_city_forecast: Answered with an error, probably because of our sample input: { "error": { "code": "city_required", "message": "Pass ?city= (name, slug or id) or ?lat=&lon=." }, "docs": "https://api.atmy.ai/v1/openapi…
- ✓get_country_ranking: Answered with an error, probably because of our sample input: { "error": { "code": "unknown_country", "message": "No city of this country has a Data Hub value for the completed day." }, "docs": "https:…
pass
✓
Fast enough
All good
- ✓Connecting took 887 ms
- ✓Listing tools took 185 ms
- ✓Average tool answer: 197 ms
- ✓get_air_quality_history: Slowest tool: get_air_quality_history (208 ms)
pass
✓
No secrets leakedChecked 9 error messages: no secrets or internal details
pass
✓
Resources and prompts work
All good (2 resources)
- ✓Opened 2 of 2 resources
- ✓An address that does not exist gets a clean "not found" error
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://api.atmy.ai/mcp

Score over time

24 Oct 202684

One test so far. New tests will show here.

Reviews

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

Is this your server?

Soon you can claim this page: re-test it from here, reply to results, and show a "Tested by QAmcp" badge.

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