diff --git a/MQTT_IMPLEMENTATION.md b/MQTT_IMPLEMENTATION.md
index 4cf79fbb..a4e4a38a 100644
--- a/MQTT_IMPLEMENTATION.md
+++ b/MQTT_IMPLEMENTATION.md
@@ -112,6 +112,7 @@ The MQTT bridge uses a slot-based architecture with up to 6 concurrent connectio
 | `coloradomesh` | wss://mqtt.meshcore.coloradomesh.org:1883 | JWT (Ed25519) | WSS |
 | `meshcore-ca-1` | mqtt1.meshcore.ca:443 | JWT (Ed25519) | WSS |
 | `meshcore-ca-2` | mqtt2.meshcore.ca:443 | JWT (Ed25519) | WSS |
+| `bostonmesh` | mqttmc01.bostonme.sh:443 | JWT (Ed25519) | WSS |
 | `inwmesh` | scope.inwmesh.org:8883 | Username/password (per slot via `mqttN.username` / `mqttN.password`) | MQTT over TLS |
 | `custom` | User-configured | Username/Password | MQTT or WSS |
 | `none` | (disabled) | — | — |
@@ -291,6 +292,7 @@ Each slot (1-6) supports the following commands:
 - `set mqttN.preset meshat.se` - Set slot N to Meshat.se
 - `set mqttN.preset eastidahomesh` - Set slot N to EastIdahoMesh (WSS/TLS, no auth; packets on `meshcore/{IATA}/{PUBLIC_KEY}/packets`)
 - `set mqttN.preset coloradomesh` - Set slot N to ColoradoMesh
+- `set mqttN.preset bostonmesh` - Set slot N to BostonMesh (`wss://mqttmc01.bostonme.sh:443/mqtt`; JWT audience `mqttmc01.bostonme.sh`)
 - `set mqttN.preset inwmesh` - Set slot N to INW Mesh Scope (`mqtts://scope.inwmesh.org:8883`; set `mqttN.username` and `mqttN.password`)
 - `set mqttN.preset custom` - Set slot N to custom broker (configure server/port/username/password)
 - `set mqttN.preset none` - Disable slot N
diff --git a/src/helpers/MQTTPresets.h b/src/helpers/MQTTPresets.h
index 5ac13991..efa9a888 100644
--- a/src/helpers/MQTTPresets.h
+++ b/src/helpers/MQTTPresets.h
@@ -105,7 +105,7 @@ static const char ISRG_ROOT_X1[] PROGMEM =
     "-----END CERTIFICATE-----\n";
 
 // Number of built-in presets
-static const int MQTT_PRESET_COUNT = 19;
+static const int MQTT_PRESET_COUNT = 20;
 
 // Built-in preset definitions (stored in flash)
 static const MQTTPresetDef MQTT_PRESETS[MQTT_PRESET_COUNT] = {
@@ -129,6 +129,7 @@ static const MQTTPresetDef MQTT_PRESETS[MQTT_PRESET_COUNT] = {
     { "meshcore-ca-1",   "wss://mqtt1.meshcore.ca:443/mqtt",          "mqtt1.meshcore.ca",               ISRG_ROOT_X1, MQTT_AUTH_JWT,      MQTT_TOPIC_MESHCORE,  0,       true,   55,      nullptr,     nullptr     },
     { "meshcore-ca-2",   "wss://mqtt2.meshcore.ca:443/mqtt",          "mqtt2.meshcore.ca",               ISRG_ROOT_X1, MQTT_AUTH_JWT,      MQTT_TOPIC_MESHCORE,  0,       true,   55,      nullptr,     nullptr     },
     { "inwmesh",         "mqtts://scope.inwmesh.org:8883",            nullptr,                           ISRG_ROOT_X1,  MQTT_AUTH_USERPASS,  MQTT_TOPIC_MESHCORE,  0,       true,   55,      nullptr,     nullptr     },
+    { "bostonmesh",      "wss://mqttmc01.bostonme.sh:443/mqtt",       "mqttmc01.bostonme.sh",            GTS_ROOT_R4,   MQTT_AUTH_JWT,      MQTT_TOPIC_MESHCORE,  0,       true,   55,      nullptr,     nullptr     },
 };
 
 // Find a preset by name, returns nullptr if not found