From 9474f6fafb2020e48d109fa075dbb1b3398992b7 Mon Sep 17 00:00:00 2001
From: Michael Bolin <mbolin@openai.com>
Date: Sun, 28 Sep 2025 10:40:46 -0700
Subject: [PATCH] chore: remove responses-api-proxy from the multitool

---
 codex-rs/Cargo.lock                      |  4 ++--
 codex-rs/cli/Cargo.toml                  |  1 -
 codex-rs/cli/src/main.rs                 | 11 -----------
 codex-rs/responses-api-proxy/Cargo.toml  |  3 ++-
 codex-rs/responses-api-proxy/src/main.rs | 18 ++++++++----------
 5 files changed, 12 insertions(+), 25 deletions(-)

diff --git a/codex-rs/Cargo.lock b/codex-rs/Cargo.lock
index 00d95eb4e9..e4a387d2b0 100644
--- a/codex-rs/Cargo.lock
+++ b/codex-rs/Cargo.lock
@@ -695,7 +695,6 @@ dependencies = [
  "codex-process-hardening",
  "codex-protocol",
  "codex-protocol-ts",
- "codex-responses-api-proxy",
  "codex-tui",
  "ctor 0.5.0",
  "owo-colors",
@@ -996,7 +995,8 @@ version = "0.0.0"
 dependencies = [
  "anyhow",
  "clap",
- "codex-arg0",
+ "codex-process-hardening",
+ "ctor 0.5.0",
  "libc",
  "reqwest",
  "serde",
diff --git a/codex-rs/cli/Cargo.toml b/codex-rs/cli/Cargo.toml
index 094a35b42c..618f4b7b03 100644
--- a/codex-rs/cli/Cargo.toml
+++ b/codex-rs/cli/Cargo.toml
@@ -28,7 +28,6 @@ codex-mcp-server = { workspace = true }
 codex-process-hardening = { workspace = true }
 codex-protocol = { workspace = true }
 codex-protocol-ts = { workspace = true }
-codex-responses-api-proxy = { workspace = true }
 codex-tui = { workspace = true }
 ctor = { workspace = true }
 owo-colors = { workspace = true }
diff --git a/codex-rs/cli/src/main.rs b/codex-rs/cli/src/main.rs
index 7dcfdae2f3..5c95df0afa 100644
--- a/codex-rs/cli/src/main.rs
+++ b/codex-rs/cli/src/main.rs
@@ -1,4 +1,3 @@
-use anyhow::Context;
 use clap::CommandFactory;
 use clap::Parser;
 use clap_complete::Shell;
@@ -15,7 +14,6 @@ use codex_cli::login::run_logout;
 use codex_cli::proto;
 use codex_common::CliConfigOverrides;
 use codex_exec::Cli as ExecCli;
-use codex_responses_api_proxy::Args as ResponsesApiProxyArgs;
 use codex_tui::AppExitInfo;
 use codex_tui::Cli as TuiCli;
 use owo_colors::OwoColorize;
@@ -87,10 +85,6 @@ enum Subcommand {
     /// Internal: generate TypeScript protocol bindings.
     #[clap(hide = true)]
     GenerateTs(GenerateTsCommand),
-
-    /// Internal: run the responses API proxy.
-    #[clap(hide = true)]
-    ResponsesApiProxy(ResponsesApiProxyArgs),
 }
 
 #[derive(Debug, Parser)]
@@ -339,11 +333,6 @@ async fn cli_main(codex_linux_sandbox_exe: Option<PathBuf>) -> anyhow::Result<()
         Some(Subcommand::GenerateTs(gen_cli)) => {
             codex_protocol_ts::generate_ts(&gen_cli.out_dir, gen_cli.prettier.as_deref())?;
         }
-        Some(Subcommand::ResponsesApiProxy(args)) => {
-            tokio::task::spawn_blocking(move || codex_responses_api_proxy::run_main(args))
-                .await
-                .context("responses-api-proxy blocking task panicked")??;
-        }
     }
 
     Ok(())
diff --git a/codex-rs/responses-api-proxy/Cargo.toml b/codex-rs/responses-api-proxy/Cargo.toml
index b66473b195..0f3cc9710e 100644
--- a/codex-rs/responses-api-proxy/Cargo.toml
+++ b/codex-rs/responses-api-proxy/Cargo.toml
@@ -17,7 +17,8 @@ workspace = true
 [dependencies]
 anyhow = { workspace = true }
 clap = { workspace = true, features = ["derive"] }
-codex-arg0 = { workspace = true }
+codex-process-hardening = { workspace = true }
+ctor = { workspace = true }
 libc = { workspace = true }
 reqwest = { workspace = true, features = ["blocking", "json", "rustls-tls"] }
 serde = { workspace = true, features = ["derive"] }
diff --git a/codex-rs/responses-api-proxy/src/main.rs b/codex-rs/responses-api-proxy/src/main.rs
index eaa534d981..c4568d76aa 100644
--- a/codex-rs/responses-api-proxy/src/main.rs
+++ b/codex-rs/responses-api-proxy/src/main.rs
@@ -1,14 +1,12 @@
-use anyhow::Context;
 use clap::Parser;
-use codex_arg0::arg0_dispatch_or_else;
 use codex_responses_api_proxy::Args as ResponsesApiProxyArgs;
 
-pub fn main() -> anyhow::Result<()> {
-    arg0_dispatch_or_else(|_codex_linux_sandbox_exe| async move {
-        let args = ResponsesApiProxyArgs::parse();
-        tokio::task::spawn_blocking(move || codex_responses_api_proxy::run_main(args))
-            .await
-            .context("responses-api-proxy blocking task panicked")??;
-        Ok(())
-    })
+#[ctor::ctor]
+fn pre_main() {
+    codex_process_hardening::pre_main_hardening();
+}
+
+pub fn main() -> anyhow::Result<()> {
+    let args = ResponsesApiProxyArgs::parse();
+    codex_responses_api_proxy::run_main(args)
 }