diff --git a/app/core/config.py b/app/core/config.py
index 091b574..f4bb75a 100644
--- a/app/core/config.py
+++ b/app/core/config.py
@@ -53,6 +53,17 @@ class Settings:
     # Feature flags
     ENABLE_OCR: bool = os.environ.get("ENABLE_OCR", "false").lower() in ("1", "true", "yes")
 
+    # Community feature
+    # COMMUNITY_DB_URL: unset = community writes disabled (local/offline mode, fail soft)
+    COMMUNITY_DB_URL: str | None = os.environ.get("COMMUNITY_DB_URL") or None
+    COMMUNITY_PSEUDONYM_SALT: str = os.environ.get(
+        "COMMUNITY_PSEUDONYM_SALT", "kiwi-default-salt-change-in-prod"
+    )
+    COMMUNITY_CLOUD_FEED_URL: str = os.environ.get(
+        "COMMUNITY_CLOUD_FEED_URL",
+        "https://menagerie.circuitforge.tech/kiwi/api/v1/community/posts",
+    )
+
     # Runtime
     DEBUG: bool = os.environ.get("DEBUG", "false").lower() in ("1", "true", "yes")
     CLOUD_MODE: bool = os.environ.get("CLOUD_MODE", "false").lower() in ("1", "true", "yes")
diff --git a/app/tiers.py b/app/tiers.py
index c3257ce..05193b2 100644
--- a/app/tiers.py
+++ b/app/tiers.py
@@ -18,6 +18,7 @@ KIWI_BYOK_UNLOCKABLE: frozenset[str] = frozenset({
     "style_classifier",
     "meal_plan_llm",
     "meal_plan_llm_timing",
+    "community_fork_adapt",   # Fork a community plan with LLM pantry adaptation
 })
 
 # Feature → minimum tier required
@@ -44,6 +45,11 @@ KIWI_FEATURES: dict[str, str] = {
     "recipe_collections":    "paid",
     "style_classifier":      "paid",   # LLM auto-tag for saved recipe style tags; BYOK-unlockable
 
+    # Community (free to browse, paid to publish/fork)
+    "community_browse":      "free",    # Read-only feed access
+    "community_publish":     "paid",    # Publish plans/outcomes to community feed
+    "community_fork_adapt":  "paid",    # Fork a plan with LLM pantry adaptation; BYOK-unlockable
+
     # Premium tier
     "multi_household":       "premium",
     "background_monitoring": "premium",