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Route Codex Apps MCP through plugin service (#34389)

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## What changed

- Point the default Codex Apps MCP server at `ps/mcp` instead of the legacy Apps endpoint for both `backend-api` and `api/codex` base URLs.
- Use the same server configuration for Codex Apps and the hosted plugin runtime.
- Update MCP integration tests and test-server routing to expect the plugin-service path.

GitOrigin-RevId: 939f20dcff67ba6f79c11b328bfc624b25e3aac2
This commit is contained in:
Alex Daley authored and copyberry committed 2026-07-20 17:55:58 +00:00
1 parent 5a4f5ee64c
commit 6bf4845b60
6 files changed
+24 -37
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codex-rs/codex-mcp/src/mcp/mod.rs
+5 -18
View File
@@ -475,14 +475,12 @@ fn normalize_codex_apps_base_url(base_url: &str) -> String {
fn codex_apps_mcp_url_for_base_url(base_url: &str) -> String {
let base_url = normalize_codex_apps_base_url(base_url);
let (base_url, default_path) = if base_url.contains("/backend-api") {
(base_url, "wham/apps")
} else if base_url.contains("/api/codex") {
(base_url, "apps")
let base_url = if base_url.contains("/backend-api") || base_url.contains("/api/codex") {
base_url
} else {
(format!("{base_url}/api/codex"), "apps")
format!("{base_url}/api/codex")
};
format!("{base_url}/{default_path}")
format!("{base_url}/ps/mcp")
}
pub fn codex_apps_mcp_server_config(
@@ -504,18 +502,7 @@ pub fn hosted_plugin_runtime_mcp_server_config(
apps_mcp_product_sku: Option<&str>,
originator: Option<&str>,
) -> McpServerConfig {
let base_url = normalize_codex_apps_base_url(chatgpt_base_url);
let base_url = if base_url.contains("/backend-api") || base_url.contains("/api/codex") {
base_url
} else {
format!("{base_url}/api/codex")
};
mcp_server_config_for_url(
format!("{base_url}/ps/mcp"),
apps_mcp_product_sku,
originator,
McpServerAuth::ChatGpt,
)
codex_apps_mcp_server_config(chatgpt_base_url, apps_mcp_product_sku, originator)
}
fn mcp_server_config_for_url(
codex-rs/codex-mcp/src/mcp/mod_tests.rs
+8 -8
View File
@@ -239,27 +239,27 @@ fn selected_mcp_attribution_does_not_join_an_unrelated_local_summary() {
}
#[test]
fn codex_apps_mcp_url_for_base_url_keeps_existing_paths() {
fn codex_apps_mcp_url_for_base_url_uses_plugin_service_paths() {
assert_eq!(
codex_apps_mcp_url_for_base_url("https://chatgpt.com/backend-api"),
"https://chatgpt.com/backend-api/wham/apps"
"https://chatgpt.com/backend-api/ps/mcp"
);
assert_eq!(
codex_apps_mcp_url_for_base_url("https://chat.openai.com"),
"https://chat.openai.com/backend-api/wham/apps"
"https://chat.openai.com/backend-api/ps/mcp"
);
assert_eq!(
codex_apps_mcp_url_for_base_url("http://localhost:8080/api/codex"),
"http://localhost:8080/api/codex/apps"
"http://localhost:8080/api/codex/ps/mcp"
);
assert_eq!(
codex_apps_mcp_url_for_base_url("http://localhost:8080"),
"http://localhost:8080/api/codex/apps"
"http://localhost:8080/api/codex/ps/mcp"
);
}
#[test]
fn codex_apps_server_config_uses_legacy_codex_apps_path() {
fn codex_apps_server_config_uses_plugin_service_path() {
let config = codex_apps_mcp_server_config(
"https://chatgpt.com",
/*apps_mcp_product_sku*/ None,
@@ -270,7 +270,7 @@ fn codex_apps_server_config_uses_legacy_codex_apps_path() {
_ => panic!("expected streamable http transport for codex apps"),
};
assert_eq!(url, "https://chatgpt.com/backend-api/wham/apps");
assert_eq!(url, "https://chatgpt.com/backend-api/ps/mcp");
}
#[test]
@@ -460,7 +460,7 @@ async fn effective_mcp_servers_preserve_runtime_servers() {
}
match &codex_apps.transport {
McpServerTransportConfig::StreamableHttp { url, .. } => {
assert_eq!(url, "https://chatgpt.com/backend-api/wham/apps");
assert_eq!(url, "https://chatgpt.com/backend-api/ps/mcp");
}
other => panic!("expected streamable http transport, got {other:?}"),
}