diff --git a/crates/assemble/src/lib.rs b/crates/assemble/src/lib.rs
index 57e060164e..7a9d2d4a5c 100644
--- a/crates/assemble/src/lib.rs
+++ b/crates/assemble/src/lib.rs
@@ -63,7 +63,22 @@ pub fn inference(shape: &Shape, exists: Exists) -> flow::Inference {
         } else {
             None
         },
-        array: None,
+        array: if shape.type_.overlaps(types::ARRAY) {
+            Some(flow::inference::Array {
+                min_items: shape.array.min_items,
+                has_max_items: shape.array.max_items.is_some(),
+                max_items: shape.array.max_items.unwrap_or_default(),
+                item_types: shape
+                    .array
+                    .tuple
+                    .iter()
+                    .chain(shape.array.additional_items.as_deref())
+                    .fold(types::INVALID, |acc, item| acc | item.type_)
+                    .to_vec(),
+            })
+        } else {
+            None
+        },
     }
 }
 
@@ -484,7 +499,7 @@ pub fn pb_datetime(t: &time::OffsetDateTime) -> pbjson_types::Timestamp {
 #[cfg(test)]
 mod test {
     use super::*;
-    use doc::shape::{NumericShape, StringShape};
+    use doc::shape::{ArrayShape, NumericShape, StringShape};
     use serde_json::{json, Value};
     use std::collections::BTreeMap;
 
@@ -507,6 +522,28 @@ mod test {
                 minimum: None,
                 maximum: Some(json::Number::Unsigned(1000)),
             },
+            array: ArrayShape {
+                additional_items: Some(Box::new(Shape {
+                    type_: types::STRING,
+                    ..Shape::anything()
+                })),
+                min_items: 10,
+                max_items: Some(20),
+                tuple: vec![
+                    Shape {
+                        type_: types::STRING,
+                        ..Shape::anything()
+                    },
+                    Shape {
+                        type_: types::BOOLEAN,
+                        ..Shape::anything()
+                    },
+                    Shape {
+                        type_: types::OBJECT,
+                        ..Shape::anything()
+                    },
+                ],
+            },
             ..Shape::anything()
         };
 
@@ -515,8 +552,10 @@ mod test {
         let out2 = inference(&shape, Exists::May);
         shape.type_ = types::INTEGER | types::STRING;
         let out3 = inference(&shape, Exists::May);
+        shape.type_ = types::ARRAY;
+        let out4 = inference(&shape, Exists::May);
 
-        insta::assert_debug_snapshot!(&[out1, out2, out3]);
+        insta::assert_debug_snapshot!(&[out1, out2, out3, out4]);
     }
 
     #[test]
diff --git a/crates/assemble/src/snapshots/assemble__test__inference.snap b/crates/assemble/src/snapshots/assemble__test__inference.snap
index 54836fa844..0853f34ac1 100644
--- a/crates/assemble/src/snapshots/assemble__test__inference.snap
+++ b/crates/assemble/src/snapshots/assemble__test__inference.snap
@@ -1,6 +1,6 @@
 ---
 source: crates/assemble/src/lib.rs
-expression: "&[out1, out2, out3]"
+expression: "&[out1, out2, out3, out4]"
 ---
 [
     Inference {
@@ -65,4 +65,28 @@ expression: "&[out1, out2, out3]"
         ),
         array: None,
     },
+    Inference {
+        types: [
+            "array",
+        ],
+        string: None,
+        title: "the title",
+        description: "the description",
+        default_json: "{\"hello\":\"world\"}",
+        secret: true,
+        exists: May,
+        numeric: None,
+        array: Some(
+            Array {
+                min_items: 10,
+                has_max_items: true,
+                max_items: 20,
+                item_types: [
+                    "boolean",
+                    "object",
+                    "string",
+                ],
+            },
+        ),
+    },
 ]
diff --git a/crates/validation/tests/snapshots/scenario_tests__golden_all_visits.snap b/crates/validation/tests/snapshots/scenario_tests__golden_all_visits.snap
index 16905e4bec..7d3a394340 100644
--- a/crates/validation/tests/snapshots/scenario_tests__golden_all_visits.snap
+++ b/crates/validation/tests/snapshots/scenario_tests__golden_all_visits.snap
@@ -1271,7 +1271,16 @@ Outcome {
                                 secret: false,
                                 exists: Must,
                                 numeric: None,
-                                array: None,
+                                array: Some(
+                                    Array {
+                                        min_items: 5,
+                                        has_max_items: false,
+                                        max_items: 0,
+                                        item_types: [
+                                            "object",
+                                        ],
+                                    },
+                                ),
                             },
                         ),
                     },
@@ -1740,7 +1749,16 @@ Outcome {
                                                         secret: false,
                                                         exists: Must,
                                                         numeric: None,
-                                                        array: None,
+                                                        array: Some(
+                                                            Array {
+                                                                min_items: 5,
+                                                                has_max_items: false,
+                                                                max_items: 0,
+                                                                item_types: [
+                                                                    "object",
+                                                                ],
+                                                            },
+                                                        ),
                                                     },
                                                 ),
                                             },
@@ -2001,7 +2019,16 @@ Outcome {
                                                         secret: false,
                                                         exists: Must,
                                                         numeric: None,
-                                                        array: None,
+                                                        array: Some(
+                                                            Array {
+                                                                min_items: 5,
+                                                                has_max_items: false,
+                                                                max_items: 0,
+                                                                item_types: [
+                                                                    "object",
+                                                                ],
+                                                            },
+                                                        ),
                                                     },
                                                 ),
                                             },
@@ -2550,7 +2577,16 @@ Outcome {
                                 secret: false,
                                 exists: May,
                                 numeric: None,
-                                array: None,
+                                array: Some(
+                                    Array {
+                                        min_items: 0,
+                                        has_max_items: false,
+                                        max_items: 0,
+                                        item_types: [
+                                            "object",
+                                        ],
+                                    },
+                                ),
                             },
                         ),
                     },
@@ -2927,7 +2963,16 @@ Outcome {
                                                         secret: false,
                                                         exists: May,
                                                         numeric: None,
-                                                        array: None,
+                                                        array: Some(
+                                                            Array {
+                                                                min_items: 0,
+                                                                has_max_items: false,
+                                                                max_items: 0,
+                                                                item_types: [
+                                                                    "object",
+                                                                ],
+                                                            },
+                                                        ),
                                                     },
                                                 ),
                                             },
@@ -3390,7 +3435,16 @@ Outcome {
                                                         secret: false,
                                                         exists: May,
                                                         numeric: None,
-                                                        array: None,
+                                                        array: Some(
+                                                            Array {
+                                                                min_items: 0,
+                                                                has_max_items: false,
+                                                                max_items: 0,
+                                                                item_types: [
+                                                                    "object",
+                                                                ],
+                                                            },
+                                                        ),
                                                     },
                                                 ),
                                             },
@@ -5180,7 +5234,16 @@ Outcome {
                                 secret: false,
                                 exists: May,
                                 numeric: None,
-                                array: None,
+                                array: Some(
+                                    Array {
+                                        min_items: 0,
+                                        has_max_items: false,
+                                        max_items: 0,
+                                        item_types: [
+                                            "object",
+                                        ],
+                                    },
+                                ),
                             },
                         ),
                     },
@@ -6750,7 +6813,16 @@ Outcome {
                                                 secret: false,
                                                 exists: May,
                                                 numeric: None,
-                                                array: None,
+                                                array: Some(
+                                                    Array {
+                                                        min_items: 0,
+                                                        has_max_items: false,
+                                                        max_items: 0,
+                                                        item_types: [
+                                                            "object",
+                                                        ],
+                                                    },
+                                                ),
                                             },
                                         ),
                                     },