Decibel Shield — Noise & Decibel Data

Noise data tools for AI agents — free, no auth, no config. - **get_city_noise** — estimated noise levels for 50 major world cities (ranked, WHO-anchored) - **get_us_city_noise_exposure** — measured noise exposure for the 100 largest US cities (federal BTS data) - **list_loudest_cities** — the global ranking - **lookup_sound_level** — decibel levels of everyday sounds (CDC/NIOSH-sourced) - **safe_exposure_time** — NIOSH safe-exposure math for any dB level - **get_decibel_shield_app** — about the Decibel Shield iOS sound meter Data is CC BY 4.0 — please cite decibelshield.app. Docs: https://decibelshield.app/mcp/

How to connect

https://server.smithery.ai/myappstackdev/decibel-shield/mcp

curl -X POST https://server.smithery.ai/myappstackdev/decibel-shield/mcp \
  -H 'Content-Type: application/json' \
  -H 'Accept: application/json, text/event-stream' \
  -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{}}'