From cd1cc511fc6b5e989ceeef6164b16f9c1c13c53d Mon Sep 17 00:00:00 2001
From: David Mokos <davidmokos@gmail.com>
Date: Mon, 17 Aug 2026 18:00:17 +0200
Subject: [PATCH] adds Muse Code environment detection

---
 README.md              |  3 +++
 package-lock.json      |  4 ++--
 package.json           |  2 +-
 src/agents.ts          |  5 +++++
 src/types.ts           |  1 +
 test/detector.test.mjs | 17 +++++++++++++++++
 6 files changed, 29 insertions(+), 3 deletions(-)

diff --git a/README.md b/README.md
index 20ac70f..daa86c1 100644
--- a/README.md
+++ b/README.md
@@ -45,11 +45,14 @@ Officially supported coding agents:
 | [GitHub Copilot CLI](https://github.com/github/copilot-cli)       | `copilot`     | ✅         |
 | [Kilo Code](https://kilocode.ai/)                                 | `kilocode`    | ✅         |
 | [Kiro](https://kiro.dev/)                                         | `kiro`        | ✅         |
+| [Muse Code][muse-code]                                            | `muse`        | 🚫         |
 | [OpenCode](https://opencode.ai/)                                  | `opencode`    | 🚫         |
 | [Pi](https://github.com/badlogic/pi-mono)                         | `pi`          | 🚫         |
 | [Replit](https://replit.com/)                                      | `replit`      | ✅         |
 | [Rork](https://rork.com/)                                          | `rork`        | 🚫         |
 
+[muse-code]: https://developer.meta.com/ai/products/muse-code/
+
 Detection is data-driven: the exact environment variables and process
 patterns for each agent live in [`src/agents.ts`](src/agents.ts).
 
diff --git a/package-lock.json b/package-lock.json
index fdde869..61fbd59 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "agent-cli-detector",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "agent-cli-detector",
-      "version": "0.1.5",
+      "version": "0.1.6",
       "license": "MIT",
       "bin": {
         "agent-cli-detector": "dist/cli.js"
diff --git a/package.json b/package.json
index 9bc5f9f..5c50610 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "agent-cli-detector",
-  "version": "0.1.5",
+  "version": "0.1.6",
   "description": "Detect whether a JavaScript CLI is running inside a coding agent.",
   "type": "module",
   "sideEffects": false,
diff --git a/src/agents.ts b/src/agents.ts
index 0b17a3e..e0e228d 100644
--- a/src/agents.ts
+++ b/src/agents.ts
@@ -94,6 +94,11 @@ export const defaultAgents = [
     process: [{ pattern: /kiro/i }],
     sessionEnv: ["KIRO_SESSION_ID"]
   },
+  {
+    id: "muse",
+    name: "Muse Code",
+    env: [{ name: "MUSE_RELEASE_INFO" }]
+  },
   {
     id: "cline",
     name: "Cline",
diff --git a/src/types.ts b/src/types.ts
index 82a8582..c69db9a 100644
--- a/src/types.ts
+++ b/src/types.ts
@@ -10,6 +10,7 @@ export type AgentId =
   | "kiro"
   | "kilocode"
   | "claude-code"
+  | "muse"
   | "opencode"
   | "pi"
   | "replit"
diff --git a/test/detector.test.mjs b/test/detector.test.mjs
index 450f09b..a09036d 100644
--- a/test/detector.test.mjs
+++ b/test/detector.test.mjs
@@ -78,6 +78,23 @@ test("detects rork from RORK_API_URL", () => {
   });
 });
 
+test("detects Muse Code from MUSE_RELEASE_INFO", () => {
+  const result = detectAgent({
+    env: {
+      MUSE_RELEASE_INFO: JSON.stringify({
+        channel: "muse-stable",
+        version: "0.1.0-R708.1"
+      })
+    }
+  });
+
+  assert.equal(result.detected, true);
+  assert.deepEqual(result.agent, {
+    id: "muse",
+    name: "Muse Code"
+  });
+});
+
 test("detects bolt from any known environment variable", () => {
   for (const envName of ["BOLT_ENV", "BOLT_ORIGIN", "BOLT_SERVER_URL"]) {
     const result = detectAgent({