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Add a getUserAgent MCP method (#3320)

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This will allow the extension to pass this user agent + a suffix for its
requests
This commit is contained in:
Gabriel Peal
2025-09-08 10:30:13 -07:00
committed by GitHub
parent 0525b48baa
commit 5c1416d99b
6 changed files with 73 additions and 0 deletions
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11
codex-rs/mcp-server/src/codex_message_processor.rs
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@@ -19,6 +19,7 @@ use codex_core::config::Config;
use codex_core::config::ConfigOverrides;
use codex_core::config::ConfigToml;
use codex_core::config::load_config_as_toml;
use codex_core::default_client::get_codex_user_agent;
use codex_core::exec::ExecParams;
use codex_core::exec_env::create_env;
use codex_core::get_platform_sandbox;
@@ -48,6 +49,7 @@ use codex_protocol::mcp_protocol::ExecArbitraryCommandResponse;
use codex_protocol::mcp_protocol::ExecCommandApprovalParams;
use codex_protocol::mcp_protocol::ExecCommandApprovalResponse;
use codex_protocol::mcp_protocol::ExecOneOffCommandParams;
use codex_protocol::mcp_protocol::GetUserAgentResponse;
use codex_protocol::mcp_protocol::GetUserSavedConfigResponse;
use codex_protocol::mcp_protocol::GitDiffToRemoteResponse;
use codex_protocol::mcp_protocol::InputItem as WireInputItem;
@@ -169,6 +171,9 @@ impl CodexMessageProcessor {
ClientRequest::GetUserSavedConfig { request_id } => {
self.get_user_saved_config(request_id).await;
}
ClientRequest::GetUserAgent { request_id } => {
self.get_user_agent(request_id).await;
}
ClientRequest::ExecOneOffCommand { request_id, params } => {
self.exec_one_off_command(request_id, params).await;
}
@@ -384,6 +389,12 @@ impl CodexMessageProcessor {
self.outgoing.send_response(request_id, response).await;
}
async fn get_user_agent(&self, request_id: RequestId) {
let user_agent = get_codex_user_agent(Some(&self.config.responses_originator_header));
let response = GetUserAgentResponse { user_agent };
self.outgoing.send_response(request_id, response).await;
}
async fn get_user_saved_config(&self, request_id: RequestId) {
let toml_value = match load_config_as_toml(&self.config.codex_home) {
Ok(val) => val,