diff --git a/.ai/checkpoints/topic-7-catalog-instance-commands.md b/.ai/checkpoints/topic-7-catalog-instance-commands.md
index 6b9669a..d29e555 100644
--- a/.ai/checkpoints/topic-7-catalog-instance-commands.md
+++ b/.ai/checkpoints/topic-7-catalog-instance-commands.md
@@ -41,7 +41,7 @@ Topic 7 implements the `dcm catalog instance` command group with subcommands (`c
 | TC-U076 | Get without INSTANCE_ID → UsageError (exit code 2) | Pass |
 | TC-U077 | Delete instance — DELETE, displays success message | Pass |
 | TC-U078 | Delete without INSTANCE_ID → UsageError (exit code 2) | Pass |
-| TC-U079 | Table output columns: UID, DISPLAY NAME, CATALOG ITEM, CREATED | Pass |
+| TC-U079 | Table output columns: UID, DISPLAY NAME, CATALOG ITEM, RESOURCE ID, CREATED | Pass |
 | TC-U112 | Empty list — table shows headers only; JSON shows empty `results` array | Pass |
 | TC-U113 | Get non-existent instance — 404 RFC 7807 error formatted to stderr | Pass |
 | TC-U114 | Delete non-existent instance — 404 RFC 7807 error formatted to stderr | Pass |
@@ -66,7 +66,7 @@ Topic 7 implements the `dcm catalog instance` command group with subcommands (`c
 
 2. **Reuses `newCatalogClient` from helpers.go** — Per Topic 5's design, the catalog client constructor is shared across all catalog commands (service-type, item, instance).
 
-3. **Table columns** — UID, DISPLAY NAME, CATALOG ITEM, CREATED. The catalog item ID is extracted from `spec.catalog_item_id` via the nested map access pattern.
+3. **Table columns** — UID, DISPLAY NAME, CATALOG ITEM, RESOURCE ID, CREATED. The catalog item ID and resource ID are extracted from `spec.catalog_item_id` and `spec.resource_id` via the nested map access pattern.
 
 4. **List response uses `results` field** — Consistent with the Catalog Manager's response format, same as service-type and catalog item lists.
 
diff --git a/.ai/specs/dcm-cli.spec.md b/.ai/specs/dcm-cli.spec.md
index 3408982..c643b2b 100644
--- a/.ai/specs/dcm-cli.spec.md
+++ b/.ai/specs/dcm-cli.spec.md
@@ -816,8 +816,8 @@ instance logs.
 #### Table Output Columns
 
 ```
-ID            UID                                   DISPLAY NAME      CATALOG ITEM      CREATED
-my-instance   c3d4e5f6-a7b8-9012-cdef-123456789012  My App Instance   my-catalog-item   2026-03-09T10:00:00Z
+ID            UID                                   DISPLAY NAME      CATALOG ITEM      RESOURCE ID       CREATED
+my-instance   c3d4e5f6-a7b8-9012-cdef-123456789012  My App Instance   my-catalog-item   res-abc123        2026-03-09T10:00:00Z
 ```
 
 #### Acceptance Criteria
diff --git a/.ai/test-plans/dcm-cli-unit.test-plan.md b/.ai/test-plans/dcm-cli-unit.test-plan.md
index 2a628e5..4d5e7f5 100644
--- a/.ai/test-plans/dcm-cli-unit.test-plan.md
+++ b/.ai/test-plans/dcm-cli-unit.test-plan.md
@@ -868,7 +868,7 @@ test classes. Instead:
 - **Type:** Unit
 - **Given:** A mock server returning an instance with all fields populated
 - **When:** `dcm catalog instance get my-instance` is executed with `--output table`
-- **Then:** The table output includes columns: ID, UID, DISPLAY NAME, CATALOG ITEM, CREATED
+- **Then:** The table output includes columns: ID, UID, DISPLAY NAME, CATALOG ITEM, RESOURCE ID, CREATED
 
 ---
 
diff --git a/internal/commands/catalog_instance.go b/internal/commands/catalog_instance.go
index c35bd32..c2c810a 100644
--- a/internal/commands/catalog_instance.go
+++ b/internal/commands/catalog_instance.go
@@ -13,20 +13,23 @@ import (
 )
 
 var catalogInstanceTableDef = &output.TableDef{
-	Headers: []string{"UID", "DISPLAY NAME", "CATALOG ITEM", "CREATED"},
+	Headers: []string{"UID", "DISPLAY NAME", "CATALOG ITEM", "RESOURCE ID", "CREATED"},
 	RowFunc: func(resource any) []string {
 		m, ok := resource.(map[string]any)
 		if !ok {
-			return []string{"", "", "", ""}
+			return []string{"", "", "", "", ""}
 		}
 		var catalogItemID string
+		var resourceID string
 		if spec, ok := m["spec"].(map[string]any); ok {
 			catalogItemID = stringifyValue(spec, "catalog_item_id")
+			resourceID = stringifyValue(spec, "resource_id")
 		}
 		return []string{
 			stringifyValue(m, "uid"),
 			stringifyValue(m, "display_name"),
 			catalogItemID,
+			resourceID,
 			stringifyValue(m, "create_time"),
 		}
 	},
diff --git a/internal/commands/catalog_instance_test.go b/internal/commands/catalog_instance_test.go
index cbd4d07..dbb62ed 100644
--- a/internal/commands/catalog_instance_test.go
+++ b/internal/commands/catalog_instance_test.go
@@ -22,6 +22,7 @@ func sampleInstanceResponse() map[string]any {
 		"create_time":  "2026-03-09T10:00:00Z",
 		"spec": map[string]any{
 			"catalog_item_id": "my-catalog-item",
+			"resource_id":     "res-abc123",
 		},
 	}
 }
@@ -286,10 +287,12 @@ var _ = Describe("Catalog Instance Commands", func() {
 			Expect(out).To(ContainSubstring("UID"))
 			Expect(out).To(ContainSubstring("DISPLAY NAME"))
 			Expect(out).To(ContainSubstring("CATALOG ITEM"))
+			Expect(out).To(ContainSubstring("RESOURCE ID"))
 			Expect(out).To(ContainSubstring("CREATED"))
 			Expect(out).To(ContainSubstring("c3d4e5f6-a7b8-9012-cdef-123456789012"))
 			Expect(out).To(ContainSubstring("My App Instance"))
 			Expect(out).To(ContainSubstring("my-catalog-item"))
+			Expect(out).To(ContainSubstring("res-abc123"))
 			Expect(out).To(ContainSubstring("2026-03-09T10:00:00Z"))
 		})
 	})