diff --git a/server/src/commands/serve.rs b/server/src/commands/serve.rs
index 622ff3f2..788de68c 100644
--- a/server/src/commands/serve.rs
+++ b/server/src/commands/serve.rs
@@ -26,12 +26,6 @@ pub fn serve(project_path: &PathBuf, port: Option<u64>) {
         },
     };
 
-    let web_config = web::WebConfig {
-        port: port.unwrap_or(project.serve_port),
-        server_id,
-        start_time: Instant::now(),
-    };
-
     let mut partitions = HashMap::new();
 
     for (partition_name, partition) in project.partitions.iter() {
@@ -54,6 +48,13 @@ pub fn serve(project_path: &PathBuf, port: Option<u64>) {
     let mut session = Session::new(config.clone());
     session.start();
 
+    let web_config = web::WebConfig {
+        port: port.unwrap_or(project.serve_port),
+        server_id,
+        start_time: Instant::now(),
+        rbx_session: session.get_rbx_session(),
+    };
+
     println!("Server listening on port {}", web_config.port);
 
     web::start(web_config);
diff --git a/server/src/rbx.rs b/server/src/rbx.rs
index c24ff0a0..b85a7319 100644
--- a/server/src/rbx.rs
+++ b/server/src/rbx.rs
@@ -5,7 +5,8 @@ use id::Id;
 // TODO: Switch to enum to represent more value types
 pub type RbxValue = String;
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
 pub struct RbxInstance {
     /// Maps to the `Name` property on Instance.
     pub name: String,
diff --git a/server/src/rbx_session.rs b/server/src/rbx_session.rs
index dd9dd467..fadc3ab2 100644
--- a/server/src/rbx_session.rs
+++ b/server/src/rbx_session.rs
@@ -64,7 +64,7 @@ pub struct RbxSession {
     partition_instances: HashMap<String, Id>,
 
     /// The store of all instances in the session.
-    instances: HashMap<Id, RbxInstance>,
+    pub instances: HashMap<Id, RbxInstance>,
 
     /// A map from files in the VFS to instances loaded in the session.
     instances_by_route: HashMap<FileRoute, Id>,
diff --git a/server/src/web.rs b/server/src/web.rs
index 11b51599..38cb4237 100644
--- a/server/src/web.rs
+++ b/server/src/web.rs
@@ -1,25 +1,39 @@
+use std::collections::HashMap;
 use std::time::Instant;
+use std::sync::{RwLock, Arc};
 
 use rouille;
 
 use web_util::json_response;
+use id::Id;
+use rbx::RbxInstance;
+use rbx_session::RbxSession;
 
 /// The set of configuration the web server needs to start.
 pub struct WebConfig {
     pub port: u64,
     pub server_id: u64,
     pub start_time: Instant,
+    pub rbx_session: Arc<RwLock<RbxSession>>,
 }
 
 #[derive(Debug, Serialize)]
 #[serde(rename_all = "camelCase")]
-struct ServerInfo<'a> {
+struct ServerInfoResponse<'a> {
     server_version: &'static str,
     protocol_version: u64,
     server_id: &'a str,
     current_time: f64,
 }
 
+#[derive(Debug, Serialize)]
+#[serde(rename_all = "camelCase")]
+struct ReadAllResponse<'a> {
+    server_id: &'a str,
+    current_time: f64,
+    instances: &'a HashMap<Id, RbxInstance>,
+}
+
 /// Start the Rojo web server and park our current thread.
 pub fn start(config: WebConfig) {
     let address = format!("localhost:{}", config.port);
@@ -38,7 +52,7 @@ pub fn start(config: WebConfig) {
                     elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 / 1_000_000_000.0
                 };
 
-                json_response(ServerInfo {
+                json_response(ServerInfoResponse {
                     server_version,
                     protocol_version: 2,
                     server_id: &server_id,
@@ -46,6 +60,22 @@ pub fn start(config: WebConfig) {
                 })
             },
 
+            (GET) (/read_all) => {
+                let rbx_session = config.rbx_session.read().unwrap();
+
+                let current_time = {
+                    let elapsed = config.start_time.elapsed();
+
+                    elapsed.as_secs() as f64 + elapsed.subsec_nanos() as f64 / 1_000_000_000.0
+                };
+
+                json_response(ReadAllResponse {
+                    server_id: &server_id,
+                    current_time,
+                    instances: &rbx_session.instances,
+                })
+            },
+
             _ => rouille::Response::empty_404()
         )
     });