huskies: merge 1153 story huskies projects chat command — list every registered project with port and status

server/src/http/gateway/mcp.rs

@@ -19,6 +19,7 @@ const GATEWAY_TOOLS: &[&str] = &[
     "switch_project",
     "gateway_status",
     "gateway_health",
+    "list_projects",
     "init_project",
     "adopt_project",
     "aggregate_pipeline_status",
@@ -65,6 +66,14 @@ pub(crate) fn gateway_tool_definitions() -> Vec<Value> {
                 "properties": {}
             }
         }),
+        json!({
+            "name": "list_projects",
+            "description": "List every registered gateway project with its name, url, ssh_port (if set), host_path (if set), and an adopted/built-in marker. The active project is prefixed with *. No liveness checks are performed.",
+            "inputSchema": {
+                "type": "object",
+                "properties": {}
+            }
+        }),
         json!({
             "name": "init_project",
             "description": "Initialize a new huskies project at the given path by scaffolding .huskies/ and related files — the same as running `huskies init <path>`. Prefer this tool over asking the user to run the CLI. If `name` and `url` are supplied the project is also registered in projects.toml so switch_project can reach it immediately.",
@@ -423,6 +432,7 @@ async fn handle_gateway_tool(
         "switch_project" => handle_switch_project_tool(params, state, id).await,
         "gateway_status" => handle_gateway_status_tool(state, id).await,
         "gateway_health" => handle_gateway_health_tool(state, id).await,
+        "list_projects" => handle_list_projects_tool(state, id).await,
         "init_project" => handle_init_project_tool(params, state, id).await,
         "adopt_project" => handle_adopt_project_tool(params, state, id).await,
         "aggregate_pipeline_status" => handle_aggregate_pipeline_status_tool(state, id).await,
@@ -539,6 +549,50 @@ async fn handle_gateway_health_tool(state: &GatewayState, id: Option<Value>) ->
     )
 }
 
+/// Handle the `list_projects` gateway tool.
+///
+/// Returns one row per registered project: name, url, ssh_port (if set),
+/// host_path (if set), and an `[adopted]`/`[built-in]` marker.  Output is
+/// alphabetised by project name (BTreeMap order).  The active project is
+/// prefixed with `*`.  No liveness checks are performed.
+async fn handle_list_projects_tool(state: &GatewayState, id: Option<Value>) -> JsonRpcResponse {
+    let active = state.active_project.read().await.clone();
+    let projects = state.projects.read().await;
+
+    if projects.is_empty() {
+        return JsonRpcResponse::success(
+            id,
+            json!({ "content": [{ "type": "text", "text": "No projects registered." }] }),
+        );
+    }
+
+    let mut lines = Vec::with_capacity(projects.len() + 1);
+    lines.push(format!("Projects ({} registered):", projects.len()));
+    for (name, entry) in projects.iter() {
+        let marker = if *name == active { "*" } else { " " };
+        let mut parts = vec![name.clone()];
+        if let Some(ref url) = entry.url {
+            parts.push(url.clone());
+        }
+        if let Some(port) = entry.ssh_port {
+            parts.push(format!("ssh:{port}"));
+        }
+        if let Some(ref path) = entry.host_path {
+            parts.push(path.clone());
+        }
+        let adopted = if entry.host_path.is_some() {
+            "[adopted]"
+        } else {
+            "[built-in]"
+        };
+        parts.push(adopted.to_string());
+        lines.push(format!("{marker} {}", parts.join("  ")));
+    }
+    let text = lines.join("\n");
+
+    JsonRpcResponse::success(id, json!({ "content": [{ "type": "text", "text": text }] }))
+}
+
 async fn handle_init_project_tool(
     params: &Value,
     state: &GatewayState,