diff --git a/custom-recipes/forward_geocoding/Cobuild.md b/custom-recipes/forward_geocoding/Cobuild.md
new file mode 100644
index 0000000..a2841fb
--- /dev/null
+++ b/custom-recipes/forward_geocoding/Cobuild.md
@@ -0,0 +1,5 @@
+# Cobuild guidance
+
+Runtime constraints:
+- Always configure `output_ds`; the runner assumes this output exists even though the descriptor marks the role optional.
+- Always set `provider`; the runner rejects a missing provider even though the descriptor does not mark the parameter mandatory.
diff --git a/custom-recipes/forward_geocoding/recipe.json b/custom-recipes/forward_geocoding/recipe.json
index 26e7b10..241e1e8 100644
--- a/custom-recipes/forward_geocoding/recipe.json
+++ b/custom-recipes/forward_geocoding/recipe.json
@@ -6,6 +6,9 @@
     },
     
     "kind" : "PYTHON",
+    "cobuild": {
+        "supported": true
+    },
     "selectableFromDataset":  "input_ds",
 
     "inputRoles" : [
diff --git a/custom-recipes/reverse_geocoding/Cobuild.md b/custom-recipes/reverse_geocoding/Cobuild.md
new file mode 100644
index 0000000..aa1a503
--- /dev/null
+++ b/custom-recipes/reverse_geocoding/Cobuild.md
@@ -0,0 +1,6 @@
+# Cobuild guidance
+
+Runtime constraints:
+- Always configure `output_ds`; the runner assumes this output exists even though the descriptor marks the role optional.
+- Always set `provider`; the runner rejects a missing provider even though the descriptor does not mark the parameter mandatory.
+- Enable at least one of `address`, `city`, `postal`, `state`, or `country`; the runner rejects a configuration with no result feature selected.
diff --git a/custom-recipes/reverse_geocoding/recipe.json b/custom-recipes/reverse_geocoding/recipe.json
index 17d0205..1e329c4 100644
--- a/custom-recipes/reverse_geocoding/recipe.json
+++ b/custom-recipes/reverse_geocoding/recipe.json
@@ -6,6 +6,9 @@
     },
     
     "kind" : "PYTHON",
+    "cobuild": {
+        "supported": true
+    },
     "selectableFromDataset":  "input_ds",
 
     "inputRoles" : [