diff --git a/server/gx-workflow-ls-format2/tests/integration/document.test.ts b/server/gx-workflow-ls-format2/tests/integration/document.test.ts
index d449b3c..10cfe54 100644
--- a/server/gx-workflow-ls-format2/tests/integration/document.test.ts
+++ b/server/gx-workflow-ls-format2/tests/integration/document.test.ts
@@ -49,6 +49,7 @@ inputs:
         name: "text_param",
         doc: "",
         type: "text",
+        default: "text value",
       },
     ]);
   });
diff --git a/server/gx-workflow-ls-native/src/nativeWorkflowDocument.ts b/server/gx-workflow-ls-native/src/nativeWorkflowDocument.ts
index 287b059..fc0e4dc 100644
--- a/server/gx-workflow-ls-native/src/nativeWorkflowDocument.ts
+++ b/server/gx-workflow-ls-native/src/nativeWorkflowDocument.ts
@@ -5,6 +5,8 @@ import {
   TextDocument,
   WorkflowDataType,
   WorkflowDocument,
+  WorkflowInput,
+  WorkflowOutput,
 } from "@gxwf/server-common/src/languageTypes";
 import { JSONDocument } from "vscode-json-languageservice";
 import { ToolState, isWorkflowInputType, type ParameterInputToolState } from "./utils";
@@ -63,11 +65,13 @@ export class NativeWorkflowDocument extends WorkflowDocument {
         const toolStateValue = JSON.parse(
           toolStateNode?.valueNode?.value ? String(toolStateNode?.valueNode?.value) : "{}"
         );
-        result.inputs.push({
+        const inputDefinition: WorkflowInput = {
           name: String(labelValue),
           doc: String(annotationValue ?? ""),
           type: this.getInputType(stepTypeValue, toolStateValue),
-        });
+          default: toolStateValue.default,
+        };
+        result.inputs.push(inputDefinition);
       }
     });
     return result;
@@ -95,10 +99,11 @@ export class NativeWorkflowDocument extends WorkflowDocument {
           }
           const uuidNode = workflowOutput.properties.find((property) => property.keyNode.value === "uuid");
           const uuidValue = String(uuidNode?.valueNode?.value);
-          result.outputs.push({
+          const outputDefinition: WorkflowOutput = {
             name: String(labelValue),
             uuid: uuidValue,
-          });
+          };
+          result.outputs.push(outputDefinition);
         });
       }
     });
diff --git a/server/gx-workflow-ls-native/tests/unit/nativeWorkflowDocument.test.ts b/server/gx-workflow-ls-native/tests/unit/nativeWorkflowDocument.test.ts
index 96c30bf..7b0c29d 100644
--- a/server/gx-workflow-ls-native/tests/unit/nativeWorkflowDocument.test.ts
+++ b/server/gx-workflow-ls-native/tests/unit/nativeWorkflowDocument.test.ts
@@ -50,13 +50,13 @@ describe("NativeWorkflowDocument", () => {
       [
         TestWorkflowProvider.workflows.validation.withOnlyInputs,
         [
-          { doc: "", name: "Dataset Input", type: "data" },
-          { doc: "", name: "Collection Input", type: "collection" },
-          { doc: "", name: "Text Param", type: "text" },
-          { doc: "", name: "Integer Param", type: "integer" },
-          { doc: "", name: "Float Param", type: "float" },
-          { doc: "", name: "Boolean Param", type: "boolean" },
-          { doc: "", name: "Color Param", type: "color" },
+          { default: undefined, doc: "", name: "Dataset Input", type: "data" },
+          { default: undefined, doc: "", name: "Collection Input", type: "collection" },
+          { default: undefined, doc: "", name: "Text Param", type: "text" },
+          { default: 10, doc: "", name: "Integer Param", type: "integer" },
+          { default: undefined, doc: "", name: "Float Param", type: "float" },
+          { default: undefined, doc: "", name: "Boolean Param", type: "boolean" },
+          { default: undefined, doc: "", name: "Color Param", type: "color" },
         ],
       ],
     ])("returns the expected inputs", (wfContent: string, expectedInputs: WorkflowInput[]) => {
diff --git a/shared/src/requestsDefinitions.ts b/shared/src/requestsDefinitions.ts
index 41ff0be..48280fd 100644
--- a/shared/src/requestsDefinitions.ts
+++ b/shared/src/requestsDefinitions.ts
@@ -47,6 +47,7 @@ export interface WorkflowInput {
   name: string;
   type: WorkflowDataType;
   doc: string;
+  default?: unknown;
 }
 
 export interface GetWorkflowInputsResult {