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fix: remove mcp-types from app server protocol (#4537)

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We continue the separation between `codex app-server` and `codex
mcp-server`.

In particular, we introduce a new crate, `codex-app-server-protocol`,
and migrate `codex-rs/protocol/src/mcp_protocol.rs` into it, renaming it
`codex-rs/app-server-protocol/src/protocol.rs`.

Because `ConversationId` was defined in `mcp_protocol.rs`, we move it
into its own file, `codex-rs/protocol/src/conversation_id.rs`, and
because it is referenced in a ton of places, we have to touch a lot of
files as part of this PR.

We also decide to get away from proper JSON-RPC 2.0 semantics, so we
also introduce `codex-rs/app-server-protocol/src/jsonrpc_lite.rs`, which
is basically the same `JSONRPCMessage` type defined in `mcp-types`
except with all of the `"jsonrpc": "2.0"` removed.

Getting rid of `"jsonrpc": "2.0"` makes our serialization logic
considerably simpler, as we can lean heavier on serde to serialize
directly into the wire format that we use now.
This commit is contained in:
Michael Bolin
2025-09-30 19:16:26 -07:00
committed by GitHub
parent 8dd771d217
commit 5881c0d6d4
73 changed files with 509 additions and 488 deletions
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12
codex-rs/app-server/tests/suite/archive_conversation.rs
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@@ -2,13 +2,13 @@ use std::path::Path;
use app_test_support::McpProcess;
use app_test_support::to_response;
use codex_app_server_protocol::ArchiveConversationParams;
use codex_app_server_protocol::ArchiveConversationResponse;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::NewConversationParams;
use codex_app_server_protocol::NewConversationResponse;
use codex_app_server_protocol::RequestId;
use codex_core::ARCHIVED_SESSIONS_SUBDIR;
use codex_protocol::mcp_protocol::ArchiveConversationParams;
use codex_protocol::mcp_protocol::ArchiveConversationResponse;
use codex_protocol::mcp_protocol::NewConversationParams;
use codex_protocol::mcp_protocol::NewConversationResponse;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use tempfile::TempDir;
use tokio::time::timeout;

14
codex-rs/app-server/tests/suite/auth.rs
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@@ -2,13 +2,13 @@ use std::path::Path;
use app_test_support::McpProcess;
use app_test_support::to_response;
use codex_protocol::mcp_protocol::AuthMode;
use codex_protocol::mcp_protocol::GetAuthStatusParams;
use codex_protocol::mcp_protocol::GetAuthStatusResponse;
use codex_protocol::mcp_protocol::LoginApiKeyParams;
use codex_protocol::mcp_protocol::LoginApiKeyResponse;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use codex_app_server_protocol::AuthMode;
use codex_app_server_protocol::GetAuthStatusParams;
use codex_app_server_protocol::GetAuthStatusResponse;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::LoginApiKeyParams;
use codex_app_server_protocol::LoginApiKeyResponse;
use codex_app_server_protocol::RequestId;
use pretty_assertions::assert_eq;
use tempfile::TempDir;
use tokio::time::timeout;

36
codex-rs/app-server/tests/suite/codex_message_processor_flow.rs
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@@ -5,26 +5,26 @@ use app_test_support::create_final_assistant_message_sse_response;
use app_test_support::create_mock_chat_completions_server;
use app_test_support::create_shell_sse_response;
use app_test_support::to_response;
use codex_app_server_protocol::AddConversationListenerParams;
use codex_app_server_protocol::AddConversationSubscriptionResponse;
use codex_app_server_protocol::ExecCommandApprovalParams;
use codex_app_server_protocol::JSONRPCNotification;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::NewConversationParams;
use codex_app_server_protocol::NewConversationResponse;
use codex_app_server_protocol::RemoveConversationListenerParams;
use codex_app_server_protocol::RemoveConversationSubscriptionResponse;
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::SendUserMessageParams;
use codex_app_server_protocol::SendUserMessageResponse;
use codex_app_server_protocol::SendUserTurnParams;
use codex_app_server_protocol::SendUserTurnResponse;
use codex_app_server_protocol::ServerRequest;
use codex_core::protocol::AskForApproval;
use codex_core::protocol::SandboxPolicy;
use codex_core::protocol_config_types::ReasoningEffort;
use codex_core::protocol_config_types::ReasoningSummary;
use codex_core::spawn::CODEX_SANDBOX_NETWORK_DISABLED_ENV_VAR;
use codex_protocol::mcp_protocol::AddConversationListenerParams;
use codex_protocol::mcp_protocol::AddConversationSubscriptionResponse;
use codex_protocol::mcp_protocol::ExecCommandApprovalParams;
use codex_protocol::mcp_protocol::NewConversationParams;
use codex_protocol::mcp_protocol::NewConversationResponse;
use codex_protocol::mcp_protocol::RemoveConversationListenerParams;
use codex_protocol::mcp_protocol::RemoveConversationSubscriptionResponse;
use codex_protocol::mcp_protocol::SendUserMessageParams;
use codex_protocol::mcp_protocol::SendUserMessageResponse;
use codex_protocol::mcp_protocol::SendUserTurnParams;
use codex_protocol::mcp_protocol::SendUserTurnResponse;
use codex_protocol::mcp_protocol::ServerRequest;
use mcp_types::JSONRPCNotification;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use pretty_assertions::assert_eq;
use std::env;
use tempfile::TempDir;
@@ -116,7 +116,7 @@ async fn test_codex_jsonrpc_conversation_flow() {
let send_user_id = mcp
.send_send_user_message_request(SendUserMessageParams {
conversation_id,
items: vec![codex_protocol::mcp_protocol::InputItem::Text {
items: vec![codex_app_server_protocol::InputItem::Text {
text: "text".to_string(),
}],
})
@@ -266,7 +266,7 @@ async fn test_send_user_turn_changes_approval_policy_behavior() {
let send_user_id = mcp
.send_send_user_message_request(SendUserMessageParams {
conversation_id,
items: vec![codex_protocol::mcp_protocol::InputItem::Text {
items: vec![codex_app_server_protocol::InputItem::Text {
text: "run python".to_string(),
}],
})
@@ -331,7 +331,7 @@ async fn test_send_user_turn_changes_approval_policy_behavior() {
let send_turn_id = mcp
.send_send_user_turn_request(SendUserTurnParams {
conversation_id,
items: vec![codex_protocol::mcp_protocol::InputItem::Text {
items: vec![codex_app_server_protocol::InputItem::Text {
text: "run python again".to_string(),
}],
cwd: working_directory.clone(),

14
codex-rs/app-server/tests/suite/config.rs
View File

@@ -3,18 +3,18 @@ use std::path::Path;
use app_test_support::McpProcess;
use app_test_support::to_response;
use codex_app_server_protocol::GetUserSavedConfigResponse;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::Profile;
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::SandboxSettings;
use codex_app_server_protocol::Tools;
use codex_app_server_protocol::UserSavedConfig;
use codex_core::protocol::AskForApproval;
use codex_protocol::config_types::ReasoningEffort;
use codex_protocol::config_types::ReasoningSummary;
use codex_protocol::config_types::SandboxMode;
use codex_protocol::config_types::Verbosity;
use codex_protocol::mcp_protocol::GetUserSavedConfigResponse;
use codex_protocol::mcp_protocol::Profile;
use codex_protocol::mcp_protocol::SandboxSettings;
use codex_protocol::mcp_protocol::Tools;
use codex_protocol::mcp_protocol::UserSavedConfig;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use pretty_assertions::assert_eq;
use tempfile::TempDir;
use tokio::time::timeout;

18
codex-rs/app-server/tests/suite/create_conversation.rs
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@@ -4,15 +4,15 @@ use app_test_support::McpProcess;
use app_test_support::create_final_assistant_message_sse_response;
use app_test_support::create_mock_chat_completions_server;
use app_test_support::to_response;
use codex_protocol::mcp_protocol::AddConversationListenerParams;
use codex_protocol::mcp_protocol::AddConversationSubscriptionResponse;
use codex_protocol::mcp_protocol::InputItem;
use codex_protocol::mcp_protocol::NewConversationParams;
use codex_protocol::mcp_protocol::NewConversationResponse;
use codex_protocol::mcp_protocol::SendUserMessageParams;
use codex_protocol::mcp_protocol::SendUserMessageResponse;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use codex_app_server_protocol::AddConversationListenerParams;
use codex_app_server_protocol::AddConversationSubscriptionResponse;
use codex_app_server_protocol::InputItem;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::NewConversationParams;
use codex_app_server_protocol::NewConversationResponse;
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::SendUserMessageParams;
use codex_app_server_protocol::SendUserMessageResponse;
use pretty_assertions::assert_eq;
use serde_json::json;
use tempfile::TempDir;

4
codex-rs/app-server/tests/suite/fuzzy_file_search.rs
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@@ -1,6 +1,6 @@
use app_test_support::McpProcess;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::RequestId;
use pretty_assertions::assert_eq;
use serde_json::json;
use tempfile::TempDir;

20
codex-rs/app-server/tests/suite/interrupt.rs
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@@ -3,17 +3,17 @@
use std::path::Path;
use codex_app_server_protocol::AddConversationListenerParams;
use codex_app_server_protocol::InterruptConversationParams;
use codex_app_server_protocol::InterruptConversationResponse;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::NewConversationParams;
use codex_app_server_protocol::NewConversationResponse;
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::SendUserMessageParams;
use codex_app_server_protocol::SendUserMessageResponse;
use codex_core::protocol::TurnAbortReason;
use codex_protocol::mcp_protocol::AddConversationListenerParams;
use codex_protocol::mcp_protocol::InterruptConversationParams;
use codex_protocol::mcp_protocol::InterruptConversationResponse;
use codex_protocol::mcp_protocol::NewConversationParams;
use codex_protocol::mcp_protocol::NewConversationResponse;
use codex_protocol::mcp_protocol::SendUserMessageParams;
use codex_protocol::mcp_protocol::SendUserMessageResponse;
use core_test_support::skip_if_no_network;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use tempfile::TempDir;
use tokio::time::timeout;
@@ -100,7 +100,7 @@ async fn shell_command_interruption() -> anyhow::Result<()> {
let send_user_id = mcp
.send_send_user_message_request(SendUserMessageParams {
conversation_id,
items: vec![codex_protocol::mcp_protocol::InputItem::Text {
items: vec![codex_app_server_protocol::InputItem::Text {
text: "run first sleep command".to_string(),
}],
})

20
codex-rs/app-server/tests/suite/list_resume.rs
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@@ -3,16 +3,16 @@ use std::path::Path;
use app_test_support::McpProcess;
use app_test_support::to_response;
use codex_protocol::mcp_protocol::ListConversationsParams;
use codex_protocol::mcp_protocol::ListConversationsResponse;
use codex_protocol::mcp_protocol::NewConversationParams; // reused for overrides shape
use codex_protocol::mcp_protocol::ResumeConversationParams;
use codex_protocol::mcp_protocol::ResumeConversationResponse;
use codex_protocol::mcp_protocol::ServerNotification;
use codex_protocol::mcp_protocol::SessionConfiguredNotification;
use mcp_types::JSONRPCNotification;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use codex_app_server_protocol::JSONRPCNotification;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::ListConversationsParams;
use codex_app_server_protocol::ListConversationsResponse;
use codex_app_server_protocol::NewConversationParams; // reused for overrides shape
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::ResumeConversationParams;
use codex_app_server_protocol::ResumeConversationResponse;
use codex_app_server_protocol::ServerNotification;
use codex_app_server_protocol::SessionConfiguredNotification;
use pretty_assertions::assert_eq;
use serde_json::json;
use tempfile::TempDir;

16
codex-rs/app-server/tests/suite/login.rs
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@@ -3,15 +3,15 @@ use std::time::Duration;
use app_test_support::McpProcess;
use app_test_support::to_response;
use codex_app_server_protocol::CancelLoginChatGptParams;
use codex_app_server_protocol::CancelLoginChatGptResponse;
use codex_app_server_protocol::GetAuthStatusParams;
use codex_app_server_protocol::GetAuthStatusResponse;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::LoginChatGptResponse;
use codex_app_server_protocol::LogoutChatGptResponse;
use codex_app_server_protocol::RequestId;
use codex_login::login_with_api_key;
use codex_protocol::mcp_protocol::CancelLoginChatGptParams;
use codex_protocol::mcp_protocol::CancelLoginChatGptResponse;
use codex_protocol::mcp_protocol::GetAuthStatusParams;
use codex_protocol::mcp_protocol::GetAuthStatusResponse;
use codex_protocol::mcp_protocol::LoginChatGptResponse;
use codex_protocol::mcp_protocol::LogoutChatGptResponse;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use tempfile::TempDir;
use tokio::time::timeout;

22
codex-rs/app-server/tests/suite/send_message.rs
View File

@@ -4,17 +4,17 @@ use app_test_support::McpProcess;
use app_test_support::create_final_assistant_message_sse_response;
use app_test_support::create_mock_chat_completions_server;
use app_test_support::to_response;
use codex_protocol::mcp_protocol::AddConversationListenerParams;
use codex_protocol::mcp_protocol::AddConversationSubscriptionResponse;
use codex_protocol::mcp_protocol::ConversationId;
use codex_protocol::mcp_protocol::InputItem;
use codex_protocol::mcp_protocol::NewConversationParams;
use codex_protocol::mcp_protocol::NewConversationResponse;
use codex_protocol::mcp_protocol::SendUserMessageParams;
use codex_protocol::mcp_protocol::SendUserMessageResponse;
use mcp_types::JSONRPCNotification;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use codex_app_server_protocol::AddConversationListenerParams;
use codex_app_server_protocol::AddConversationSubscriptionResponse;
use codex_app_server_protocol::InputItem;
use codex_app_server_protocol::JSONRPCNotification;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::NewConversationParams;
use codex_app_server_protocol::NewConversationResponse;
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::SendUserMessageParams;
use codex_app_server_protocol::SendUserMessageResponse;
use codex_protocol::ConversationId;
use pretty_assertions::assert_eq;
use tempfile::TempDir;
use tokio::time::timeout;

8
codex-rs/app-server/tests/suite/set_default_model.rs
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@@ -2,11 +2,11 @@ use std::path::Path;
use app_test_support::McpProcess;
use app_test_support::to_response;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::SetDefaultModelParams;
use codex_app_server_protocol::SetDefaultModelResponse;
use codex_core::config::ConfigToml;
use codex_protocol::mcp_protocol::SetDefaultModelParams;
use codex_protocol::mcp_protocol::SetDefaultModelResponse;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use pretty_assertions::assert_eq;
use tempfile::TempDir;
use tokio::time::timeout;

6
codex-rs/app-server/tests/suite/user_agent.rs
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@@ -1,8 +1,8 @@
use app_test_support::McpProcess;
use app_test_support::to_response;
use codex_protocol::mcp_protocol::GetUserAgentResponse;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use codex_app_server_protocol::GetUserAgentResponse;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::RequestId;
use pretty_assertions::assert_eq;
use tempfile::TempDir;
use tokio::time::timeout;

6
codex-rs/app-server/tests/suite/user_info.rs
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@@ -5,14 +5,14 @@ use app_test_support::McpProcess;
use app_test_support::to_response;
use base64::Engine;
use base64::engine::general_purpose::URL_SAFE_NO_PAD;
use codex_app_server_protocol::JSONRPCResponse;
use codex_app_server_protocol::RequestId;
use codex_app_server_protocol::UserInfoResponse;
use codex_core::auth::AuthDotJson;
use codex_core::auth::get_auth_file;
use codex_core::auth::write_auth_json;
use codex_core::token_data::IdTokenInfo;
use codex_core::token_data::TokenData;
use codex_protocol::mcp_protocol::UserInfoResponse;
use mcp_types::JSONRPCResponse;
use mcp_types::RequestId;
use pretty_assertions::assert_eq;
use serde_json::json;
use tempfile::TempDir;