Remove MCP backend, entrypoint injection, and docs; add migration shim

Completes the removal begun in the previous commit.

Backend: deletes models/mcp_server.rs, storage/mcp_store.rs and
commands/mcp_commands.rs, the McpStore on AppState, the four IPC
handlers, Project::enabled_mcp_servers, build_mcp_servers_json(),
compute_mcp_fingerprint(), the MCP_SERVERS_JSON env injection, the
mcp-fingerprint label, and the whole MCP container lifecycle.
create_container() and container_needs_recreation() lose their
mcp_servers/network_name parameters.

Container: entrypoint.sh no longer merges MCP_SERVERS_JSON into
~/.claude.json. MCP_SERVERS_JSON stays in the reserved env blocklist.

Security: the Docker socket is no longer auto-mounted for stdio+Docker
MCP servers — it now mounts only when allow_docker_access is set.

Migration: old containers were created with
network_mode=triple-c-net-<projectId> and refuse to start once that
network is gone. docker/network.rs becomes docker/legacy_cleanup.rs with
label-driven, best-effort removal of leftover MCP containers and the
per-project network, called on both delete and recreate.
container_needs_recreation() now forces a rebuild for any container
carrying a non-empty triple-c.mcp-fingerprint label or attached to a
triple-c-net-* network, moving it onto the default bridge. Both can be
dropped a release later.

Docs: drops the MCP sections from README/HOW-TO-USE/TECHNICAL and adds a
short note pointing at Claude Code's native `claude mcp` / `/mcp` /
.mcp.json instead.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
This commit is contained in:
2026-08-09 10:31:18 -07:00
co-authored by Claude Opus 5
parent 657c61939f
commit d0bb631d4d
18 changed files with 204 additions and 918 deletions
+11 -82
View File
@@ -2,7 +2,7 @@ use tauri::{Emitter, State};
use crate::commands::aws_commands;
use crate::docker;
use crate::models::{container_config, Backend, BedrockAuthMethod, McpServer, Project, ProjectPath, ProjectStatus};
use crate::models::{container_config, Backend, BedrockAuthMethod, Project, ProjectPath, ProjectStatus};
use crate::storage::secure;
use crate::AppState;
@@ -63,19 +63,6 @@ fn load_secrets_for_project(project: &mut Project) {
}
}
/// Resolve enabled MCP servers and filter to Docker-only ones.
fn resolve_mcp_servers(project: &Project, state: &AppState) -> (Vec<McpServer>, Vec<McpServer>) {
let all_mcp_servers = state.mcp_store.list();
let enabled_mcp: Vec<McpServer> = project.enabled_mcp_servers.iter()
.filter_map(|id| all_mcp_servers.iter().find(|s| &s.id == id).cloned())
.collect();
let docker_mcp: Vec<McpServer> = enabled_mcp.iter()
.filter(|s| s.is_docker())
.cloned()
.collect();
(enabled_mcp, docker_mcp)
}
#[tauri::command]
pub async fn list_projects(state: State<'_, AppState>) -> Result<Vec<Project>, String> {
Ok(state.projects_store.list())
@@ -121,16 +108,10 @@ pub async fn remove_project(
let _ = docker::remove_container(container_id).await;
}
// Remove MCP containers and network
let (_enabled_mcp, docker_mcp) = resolve_mcp_servers(project, &state);
if !docker_mcp.is_empty() {
if let Err(e) = docker::remove_mcp_containers(&docker_mcp).await {
log::warn!("Failed to remove MCP containers for project {}: {}", project_id, e);
}
}
if let Err(e) = docker::remove_project_network(&project.id).await {
log::warn!("Failed to remove project network for project {}: {}", project_id, e);
}
// Legacy MCP cleanup (pre-MCP-removal installs): drop any leftover MCP
// containers first, then the per-project network they were attached to.
docker::remove_legacy_mcp_containers(&project.id).await;
docker::remove_legacy_project_network(&project.id).await;
// Clean up the snapshot image + volumes
if let Err(e) = docker::remove_snapshot_image(project).await {
@@ -177,9 +158,6 @@ pub async fn start_project_container(
let settings = state.settings_store.get();
let image_name = container_config::resolve_image_name(&settings.image_source, &settings.custom_image_name);
// Resolve enabled MCP servers for this project
let (enabled_mcp, docker_mcp) = resolve_mcp_servers(&project, &state);
// Validate backend requirements
if project.backend == Backend::Bedrock {
let bedrock = project.bedrock_config.as_ref()
@@ -300,39 +278,6 @@ pub async fn start_project_container(
// AWS config path from global settings
let aws_config_path = settings.global_aws.aws_config_path.clone();
// Set up Docker network and MCP containers if needed
let network_name = if !docker_mcp.is_empty() {
// Pull any missing MCP Docker images before starting containers
for server in &docker_mcp {
if let Some(ref image) = server.docker_image {
if !docker::image_exists(image).await.unwrap_or(false) {
emit_progress(
&app_handle,
&project_id,
&format!("Pulling MCP image for '{}'...", server.name),
);
let image_clone = image.clone();
let app_clone = app_handle.clone();
let pid_clone = project_id.clone();
let sname = server.name.clone();
docker::pull_image(&image_clone, move |msg| {
emit_progress(&app_clone, &pid_clone, &format!("[{}] {}", sname, msg));
}).await.map_err(|e| {
format!("Failed to pull MCP image '{}' for '{}': {}", image, server.name, e)
})?;
}
}
}
emit_progress(&app_handle, &project_id, "Setting up MCP network...");
let net = docker::ensure_project_network(&project.id).await?;
emit_progress(&app_handle, &project_id, "Starting MCP containers...");
docker::start_mcp_containers(&docker_mcp, &net).await?;
Some(net)
} else {
None
};
let container_id = if let Some(existing_id) = docker::find_existing_container(&project).await? {
// Check if config changed — if so, snapshot + recreate
let needs_recreate = docker::container_needs_recreation(
@@ -344,7 +289,6 @@ pub async fn start_project_container(
settings.global_claude_instructions.as_deref(),
&settings.global_custom_env_vars,
settings.timezone.as_deref(),
&enabled_mcp,
settings.global_claude_code_settings.as_ref(),
settings.default_ssh_key_path.as_deref(),
settings.default_git_user_name.as_deref(),
@@ -362,6 +306,12 @@ pub async fn start_project_container(
let _ = docker::stop_container(&existing_id).await;
docker::remove_container(&existing_id).await?;
// Legacy MCP cleanup: the old container may have been attached to
// `triple-c-net-<projectId>`. Tear down leftover MCP containers and
// that network now, before the replacement is created without it.
docker::remove_legacy_mcp_containers(&project.id).await;
docker::remove_legacy_project_network(&project.id).await;
// Create from snapshot image (preserves system-level changes)
let snapshot_image = docker::get_snapshot_image_name(&project);
let create_image = if docker::image_exists(&snapshot_image).await.unwrap_or(false) {
@@ -381,8 +331,6 @@ pub async fn start_project_container(
settings.global_claude_instructions.as_deref(),
&settings.global_custom_env_vars,
settings.timezone.as_deref(),
&enabled_mcp,
network_name.as_deref(),
settings.global_claude_code_settings.as_ref(),
settings.default_ssh_key_path.as_deref(),
settings.default_git_user_name.as_deref(),
@@ -420,8 +368,6 @@ pub async fn start_project_container(
settings.global_claude_instructions.as_deref(),
&settings.global_custom_env_vars,
settings.timezone.as_deref(),
&enabled_mcp,
network_name.as_deref(),
settings.global_claude_code_settings.as_ref(),
settings.default_ssh_key_path.as_deref(),
settings.default_git_user_name.as_deref(),
@@ -482,15 +428,6 @@ pub async fn stop_project_container(
}
}
// Stop MCP containers (best-effort)
let (_enabled_mcp, docker_mcp) = resolve_mcp_servers(&project, &state);
if !docker_mcp.is_empty() {
emit_progress(&app_handle, &project_id, "Stopping MCP containers...");
if let Err(e) = docker::stop_mcp_containers(&docker_mcp).await {
log::warn!("Failed to stop MCP containers for project {}: {}", project_id, e);
}
}
state.projects_store.update_status(&project_id, ProjectStatus::Stopped)?;
Ok(())
}
@@ -514,14 +451,6 @@ pub async fn rebuild_project_container(
state.projects_store.set_container_id(&project_id, None)?;
}
// Remove MCP containers before rebuild
let (_enabled_mcp, docker_mcp) = resolve_mcp_servers(&project, &state);
if !docker_mcp.is_empty() {
if let Err(e) = docker::remove_mcp_containers(&docker_mcp).await {
log::warn!("Failed to remove MCP containers for project {}: {}", project_id, e);
}
}
// Remove snapshot image + volumes so Reset creates from the clean base image
if let Err(e) = docker::remove_snapshot_image(&project).await {
log::warn!("Failed to remove snapshot image for project {}: {}", project_id, e);