diff --git a/ts/examples/memoryProviders/package.json b/ts/examples/memoryProviders/package.json
index 1003aed51..f674572f6 100644
--- a/ts/examples/memoryProviders/package.json
+++ b/ts/examples/memoryProviders/package.json
@@ -21,7 +21,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../.prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/actionSchema/package.json b/ts/packages/actionSchema/package.json
index 4e69bae13..b8a95852f 100644
--- a/ts/packages/actionSchema/package.json
+++ b/ts/packages/actionSchema/package.json
@@ -23,7 +23,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/actionSchema/src/validate.ts b/ts/packages/actionSchema/src/validate.ts
index 8a3689279..4095268f0 100644
--- a/ts/packages/actionSchema/src/validate.ts
+++ b/ts/packages/actionSchema/src/validate.ts
@@ -147,7 +147,7 @@ function validateObject(
             ignoreExtraneous?.includes(actualField) !== true
         ) {
             const fullName = name ? `${name}.${actualField}` : actualField;
-            throw new Error(`Extraneous property ${fullName}`);
+            throw new Error(`Extraneous property '${fullName}'`);
         }
     }
 }
diff --git a/ts/packages/agents/test/src/handler.ts b/ts/packages/agents/test/src/handler.ts
index b6922374f..0f22fe2fc 100644
--- a/ts/packages/agents/test/src/handler.ts
+++ b/ts/packages/agents/test/src/handler.ts
@@ -52,7 +52,9 @@ async function executeAction(
         case "add":
             const { a, b } = action.parameters;
             return createActionResult(`The sum of ${a} and ${b} is ${a + b}`);
+        case "random":
+            return createActionResult(`Random number: ${Math.random()}`);
         default:
-            throw new Error(`Unknown action: ${action.actionName}`);
+            throw new Error(`Unknown action: ${(action as any).actionName}`);
     }
 }
diff --git a/ts/packages/agents/test/src/schema.ts b/ts/packages/agents/test/src/schema.ts
index 5334936f9..43e03250e 100644
--- a/ts/packages/agents/test/src/schema.ts
+++ b/ts/packages/agents/test/src/schema.ts
@@ -1,7 +1,7 @@
 // Copyright (c) Microsoft Corporation.
 // Licensed under the MIT License.
 
-export type TestActions = AddAction;
+export type TestActions = AddAction | RandomNumberAction;
 type AddAction = {
     actionName: "add";
     parameters: {
@@ -9,3 +9,7 @@ type AddAction = {
         b: number;
     };
 };
+
+type RandomNumberAction = {
+    actionName: "random";
+};
diff --git a/ts/packages/aiclient/package.json b/ts/packages/aiclient/package.json
index 89b631e15..6a05955e7 100644
--- a/ts/packages/aiclient/package.json
+++ b/ts/packages/aiclient/package.json
@@ -22,7 +22,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/api/package.json b/ts/packages/api/package.json
index 13ba834cf..a373ca2bb 100644
--- a/ts/packages/api/package.json
+++ b/ts/packages/api/package.json
@@ -18,7 +18,7 @@
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../.prettierignore",
     "start": "node ./dist/index.js",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/cache/package.json b/ts/packages/cache/package.json
index c23c6673e..12b016b68 100644
--- a/ts/packages/cache/package.json
+++ b/ts/packages/cache/package.json
@@ -22,7 +22,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../.prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/commonUtils/package.json b/ts/packages/commonUtils/package.json
index 3247505c3..c9ad4cc7a 100644
--- a/ts/packages/commonUtils/package.json
+++ b/ts/packages/commonUtils/package.json
@@ -23,7 +23,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../.prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/dispatcher/package.json b/ts/packages/dispatcher/package.json
index fd2c088b8..00c6c0aa7 100644
--- a/ts/packages/dispatcher/package.json
+++ b/ts/packages/dispatcher/package.json
@@ -27,7 +27,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../.prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/dispatcher/src/context/system/systemAgent.ts b/ts/packages/dispatcher/src/context/system/systemAgent.ts
index 9bacc615c..65d171c2e 100644
--- a/ts/packages/dispatcher/src/context/system/systemAgent.ts
+++ b/ts/packages/dispatcher/src/context/system/systemAgent.ts
@@ -226,9 +226,12 @@ class ActionCommandHandler implements CommandHandler {
         const action: AppAction = {
             translatorName,
             actionName,
-            parameters: params.flags.parameters,
         };
 
+        if (params.flags.parameters !== undefined) {
+            action.parameters = params.flags.parameters;
+        }
+
         validateAction(actionSchema, action, true);
 
         return executeActions(
diff --git a/ts/packages/dispatcher/test/provider.spec.ts b/ts/packages/dispatcher/test/provider.spec.ts
index d57880581..13aeb8c5e 100644
--- a/ts/packages/dispatcher/test/provider.spec.ts
+++ b/ts/packages/dispatcher/test/provider.spec.ts
@@ -60,6 +60,12 @@ describe("dispatcher", () => {
                 expect(output[1].message).toBe("The sum of 1 and 2 is 3");
             });
 
+            it("action command no parameters", async () => {
+                await dispatcher.processCommand("@action test random");
+
+                expect(output).toHaveLength(2);
+                expect(output[1].message).toMatch(/Random number: [0-9.]+/);
+            });
             const errorCommands = [
                 {
                     name: "Empty Command",
diff --git a/ts/packages/knowledgeProcessor/package.json b/ts/packages/knowledgeProcessor/package.json
index e4052e50c..9e5bc25b4 100644
--- a/ts/packages/knowledgeProcessor/package.json
+++ b/ts/packages/knowledgeProcessor/package.json
@@ -21,7 +21,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../.prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/telemetry/package.json b/ts/packages/telemetry/package.json
index 7a13dd891..3e3abdd9c 100644
--- a/ts/packages/telemetry/package.json
+++ b/ts/packages/telemetry/package.json
@@ -20,7 +20,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../.prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"
diff --git a/ts/packages/typeagent/package.json b/ts/packages/typeagent/package.json
index 0ce0f1653..7c9f06c54 100644
--- a/ts/packages/typeagent/package.json
+++ b/ts/packages/typeagent/package.json
@@ -22,7 +22,7 @@
     "clean": "rimraf --glob dist *.tsbuildinfo *.done.build.log",
     "prettier": "prettier --check . --ignore-path ../../.prettierignore",
     "prettier:fix": "prettier --write . --ignore-path ../../prettierignore",
-    "test": "npm run test",
+    "test": "npm run test:local",
     "test:local": "node --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "test:local:debug": "node --inspect-brk --no-warnings --experimental-vm-modules ./node_modules/jest/bin/jest.js --testPathPattern=\".*\\.spec\\.js\"",
     "tsc": "tsc -b"