diff --git a/Apps/MetaFeederProwlarr/docker-compose.yml b/Apps/MetaFeederProwlarr/docker-compose.yml
index 2aa33dd..868ea7d 100644
--- a/Apps/MetaFeederProwlarr/docker-compose.yml
+++ b/Apps/MetaFeederProwlarr/docker-compose.yml
@@ -114,6 +114,9 @@ services:
     expose:
       - 8080
     environment:
+      # Beacon v2: this sidecar serves metafeederprowlarr-feeder only; another consumer
+      # (meta-sort's Scan card) sees it as bound elsewhere, never addable.
+      BEACON_BINDS: "metafeederprowlarr-feeder"
       EMIT_TITLE_TAGS: "true"
     networks:
       - metafeederprowlarr
@@ -131,6 +134,9 @@ services:
     expose:
       - 8080
     environment:
+      # Beacon v2: this sidecar serves metafeederprowlarr-feeder only; another consumer
+      # (meta-sort's Scan card) sees it as bound elsewhere, never addable.
+      BEACON_BINDS: "metafeederprowlarr-feeder"
       # Posters land in the gateway core (over pcs) so the ingester seeds them.
       # LOAD-BEARING at metamesh-plugin-tmdb:1.0.0 — do NOT remove.
       # Newer source derives WebDAV from the metaCoreUrl passed on each /process
diff --git a/Apps/MetaFeederTribler/docker-compose.yml b/Apps/MetaFeederTribler/docker-compose.yml
index 7de2168..5da2fe3 100644
--- a/Apps/MetaFeederTribler/docker-compose.yml
+++ b/Apps/MetaFeederTribler/docker-compose.yml
@@ -131,6 +131,9 @@ services:
     expose:
       - 8080
     environment:
+      # Beacon v2: this sidecar serves metafeedertribler-feeder only; another consumer
+      # (meta-sort's Scan card) sees it as bound elsewhere, never addable.
+      BEACON_BINDS: "metafeedertribler-feeder"
       PORT: "8080"
       EMIT_TITLE_TAGS: "true"
     networks:
@@ -145,6 +148,9 @@ services:
     expose:
       - 8080
     environment:
+      # Beacon v2: this sidecar serves metafeedertribler-feeder only; another consumer
+      # (meta-sort's Scan card) sees it as bound elsewhere, never addable.
+      BEACON_BINDS: "metafeedertribler-feeder"
       PORT: "8080"
       CACHE_DIR: "/cache"
       # Posters land in the shared meta-core (over pcs) so the ingester seeds them.
diff --git a/Apps/MetaFeederUsenet/docker-compose.yml b/Apps/MetaFeederUsenet/docker-compose.yml
index 4b6a45e..b5ac325 100644
--- a/Apps/MetaFeederUsenet/docker-compose.yml
+++ b/Apps/MetaFeederUsenet/docker-compose.yml
@@ -104,6 +104,9 @@ services:
     expose:
       - 8080
     environment:
+      # Beacon v2: this sidecar serves metafeederusenet-feeder only; another consumer
+      # (meta-sort's Scan card) sees it as bound elsewhere, never addable.
+      BEACON_BINDS: "metafeederusenet-feeder"
       EMIT_TITLE_TAGS: "true"
     networks:
       - metafeederusenet
@@ -119,6 +122,9 @@ services:
     expose:
       - 8080
     environment:
+      # Beacon v2: this sidecar serves metafeederusenet-feeder only; another consumer
+      # (meta-sort's Scan card) sees it as bound elsewhere, never addable.
+      BEACON_BINDS: "metafeederusenet-feeder"
       # Posters land in the shared meta-core (over pcs) so the ingester seeds
       # them. LOAD-BEARING at metamesh-plugin-tmdb:1.0.0 — do NOT remove (see
       # the sibling feeder apps' identical note: the published image needs