[lib] add Factory Droid detection

README.md

@@ -41,6 +41,7 @@ Officially supported coding agents:
 | [Codex](https://developers.openai.com/codex/)                     | `codex`       | ✅         |
 | [Cursor](https://cursor.com/)                                     | `cursor`      | ✅         |
 | [Devin](https://devin.ai/)                                        | `devin`       | 🚫         |
+| [Factory Droid](https://docs.factory.ai/droid-cli/overview)       | `droid`       | 🚫         |
 | [Gemini CLI](https://github.com/google-gemini/gemini-cli)         | `gemini`      | 🚫         |
 | [GitHub Copilot CLI](https://github.com/github/copilot-cli)       | `copilot`     | ✅         |
 | [Grok](https://x.ai/build)                                        | `grok`        | ✅         |

package.json

@@ -1,6 +1,6 @@
 {
   "name": "agent-cli-detector",
-  "version": "0.1.7",
+  "version": "0.1.8",
   "description": "Detect whether a JavaScript CLI is running inside a coding agent.",
   "type": "module",
   "sideEffects": false,

src/agents.ts

@@ -46,6 +46,11 @@ export const defaultAgents = [
     name: "Devin",
     process: [{ pattern: /devin/i }]
   },
+  {
+    id: "droid",
+    name: "Factory Droid",
+    env: [{ name: "FACTORY_ENV", value: "production" }]
+  },
   {
     id: "gemini",
     name: "Gemini CLI",

src/types.ts

@@ -6,6 +6,7 @@ export type AgentId =
   | "copilot"
   | "cursor"
   | "devin"
+  | "droid"
   | "gemini"
   | "grok"
   | "kiro"

test/detector.test.mjs

@@ -80,6 +80,20 @@ test("detects grok and normalizes its session id", () => {
   });
 });
 
+test("detects Factory Droid from FACTORY_ENV", () => {
+  const result = detectAgent({
+    env: {
+      FACTORY_ENV: "production"
+    }
+  });
+
+  assert.equal(result.detected, true);
+  assert.deepEqual(result.agent, {
+    id: "droid",
+    name: "Factory Droid"
+  });
+});
+
 test("detects rork from RORK_API_URL", () => {
   const result = detectAgent({
     env: {