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DSTA Brainhack Open Finalist
Kampung Kaki — Civic Emergency Coordination
May 2026 — Jun 2026 · Distributed coordination system
Python
FastAPI
MQTT 5
Redis Streams
MapLibre GL
OneMap SG
React
Docker
One emergency, three audiences who each need a different map of it, and a single canonical state underneath so they never disagree about what is happening.
One state, three views
Citizens, responders and ops teams read the same retained message stream. The map changes per role; the truth does not.
Citizen Report, follow, and see only what is safe to publish.
Responder Task-level detail and routing on the ground.
Ops The whole operational picture, assembled from one stream.
What it does
Delivered a unified operational picture for citizens, responders and ops teams from a single canonical state.
Used retained MQTT 5 QoS 1 messaging with Redis Streams so a client joining late still receives the current picture.
Wired FastAPI and OneMap SG APIs behind a role-aware MapLibre GL front end.
VIDEO
