From 53c620287a3ca29d28128627d905add2ea68fae0 Mon Sep 17 00:00:00 2001
From: Nich <nich@nixnet.com>
Date: Mon, 1 Jun 2026 12:48:16 +0100
Subject: [PATCH] fix: launch codex workers with exec

---
 .changeset/fix-codex-exec-launch.md            | 5 +++++
 packages/plugins/agent-codex/src/index.test.ts | 8 ++++----
 packages/plugins/agent-codex/src/index.ts      | 2 +-
 3 files changed, 10 insertions(+), 5 deletions(-)
 create mode 100644 .changeset/fix-codex-exec-launch.md

diff --git a/.changeset/fix-codex-exec-launch.md b/.changeset/fix-codex-exec-launch.md
new file mode 100644
index 0000000000..7d3f90dcb5
--- /dev/null
+++ b/.changeset/fix-codex-exec-launch.md
@@ -0,0 +1,5 @@
+---
+"@aoagents/ao-plugin-agent-codex": patch
+---
+
+Launch Codex worker sessions with `codex exec` so spawned AO workers run non-interactively.
diff --git a/packages/plugins/agent-codex/src/index.test.ts b/packages/plugins/agent-codex/src/index.test.ts
index 5499873a1d..d9de370e8f 100644
--- a/packages/plugins/agent-codex/src/index.test.ts
+++ b/packages/plugins/agent-codex/src/index.test.ts
@@ -267,7 +267,7 @@ describe("getLaunchCommand", () => {
 
   it("generates base command", () => {
     expect(agent.getLaunchCommand(makeLaunchConfig())).toBe(
-      "'codex' -c check_for_update_on_startup=false",
+      "'codex' exec -c check_for_update_on_startup=false",
     );
   });
 
@@ -317,7 +317,7 @@ describe("getLaunchCommand", () => {
       makeLaunchConfig({ permissions: "permissionless", model: "o3", prompt: "Go" }),
     );
     expect(cmd).toBe(
-      "'codex' -c check_for_update_on_startup=false --dangerously-bypass-approvals-and-sandbox --model 'o3' -c model_reasoning_effort=high -- 'Go'",
+      "'codex' exec -c check_for_update_on_startup=false --dangerously-bypass-approvals-and-sandbox --model 'o3' -c model_reasoning_effort=high -- 'Go'",
     );
   });
 
@@ -1971,7 +1971,7 @@ describe("postLaunchSetup", () => {
 
     // Before postLaunchSetup, binary is "codex"
     expect(agent.getLaunchCommand(makeLaunchConfig())).toBe(
-      "'codex' -c check_for_update_on_startup=false",
+      "'codex' exec -c check_for_update_on_startup=false",
     );
 
     // After postLaunchSetup resolves the binary
@@ -1979,7 +1979,7 @@ describe("postLaunchSetup", () => {
 
     // Now getLaunchCommand should use the resolved binary
     expect(agent.getLaunchCommand(makeLaunchConfig())).toBe(
-      "'/opt/bin/codex' -c check_for_update_on_startup=false",
+      "'/opt/bin/codex' exec -c check_for_update_on_startup=false",
     );
   });
 });
diff --git a/packages/plugins/agent-codex/src/index.ts b/packages/plugins/agent-codex/src/index.ts
index 770c6a5050..98ad059f2d 100644
--- a/packages/plugins/agent-codex/src/index.ts
+++ b/packages/plugins/agent-codex/src/index.ts
@@ -606,7 +606,7 @@ function createCodexAgent(): Agent {
 
     getLaunchCommand(config: AgentLaunchConfig): string {
       const binary = resolvedBinary ?? "codex";
-      const parts: string[] = [shellEscape(binary)];
+      const parts: string[] = [shellEscape(binary), "exec"];
       appendNoUpdateCheckFlag(parts);
 
       appendApprovalFlags(parts, config.permissions);