diff --git a/src/commands/complete.ts b/src/commands/complete.ts
new file mode 100644
index 0000000..d68f5f1
--- /dev/null
+++ b/src/commands/complete.ts
@@ -0,0 +1,17 @@
+// Copyright (c) Microsoft Corporation.
+// Licensed under the MIT License.
+
+import { Command } from "commander";
+import { getSuggestions } from "../runtime/runtime.js";
+
+const action = async (input: string) => {
+  const suggestions = await getSuggestions(input);
+  process.stdout.write(JSON.stringify(suggestions));
+};
+
+const cmd = new Command("complete");
+cmd.description(`generates a completion for the provided input`);
+cmd.argument("<input>");
+cmd.action(action);
+
+export default cmd;
diff --git a/src/index.ts b/src/index.ts
index aca839d..5c2389e 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -7,6 +7,7 @@
 
 import { Command } from "commander";
 
+import complete from "./commands/complete.js";
 import uninstall from "./commands/uninstall.js";
 import { action, supportedShells } from "./commands/root.js";
 import { getVersion } from "./utils/version.js";
@@ -21,6 +22,7 @@ program
   .option("-s, --shell <shell>", `shell to use for command execution, supported shells: ${supportedShells}`)
   .showHelpAfterError("(add --help for additional information)");
 
+program.addCommand(complete);
 program.addCommand(uninstall);
 
 program.parse();