From ce8fd4b1a658468d6406446a2ddeebb3dae54550 Mon Sep 17 00:00:00 2001
From: Gaspard Petit <gaspardpetit@gmail.com>
Date: Mon, 13 Apr 2026 05:14:42 -0400
Subject: [PATCH] server: Expose build_info in router mode (#21835)

---
 tools/server/server-models.cpp         |  4 +++-
 tools/server/tests/unit/test_router.py | 13 +++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/tools/server/server-models.cpp b/tools/server/server-models.cpp
index c4ef62d2ea..5667c98ef8 100644
--- a/tools/server/server-models.cpp
+++ b/tools/server/server-models.cpp
@@ -926,7 +926,8 @@ void server_models_routes::init_routes() {
             res_ok(res, {
                 // TODO: add support for this on web UI
                 {"role",          "router"},
-                {"max_instances", 4}, // dummy value for testing
+                {"max_instances", params.models_max},
+                {"models_autoload", params.models_autoload},
                 // this is a dummy response to make sure webui doesn't break
                 {"model_alias", "llama-server"},
                 {"model_path",  "none"},
@@ -935,6 +936,7 @@ void server_models_routes::init_routes() {
                     {"n_ctx",  0},
                 }},
                 {"webui_settings", webui_settings},
+                {"build_info",     build_info},
             });
             return res;
         }
diff --git a/tools/server/tests/unit/test_router.py b/tools/server/tests/unit/test_router.py
index 717007a446..79e60db408 100644
--- a/tools/server/tests/unit/test_router.py
+++ b/tools/server/tests/unit/test_router.py
@@ -9,6 +9,19 @@ def create_server():
     server = ServerPreset.router()
 
 
+def test_router_props():
+    global server
+    server.models_max = 2
+    server.no_models_autoload = True
+    server.start()
+    res = server.make_request("GET", "/props")
+    assert res.status_code == 200
+    assert res.body["role"] == "router"
+    assert res.body["max_instances"] == 2
+    assert res.body["models_autoload"] is False
+    assert res.body["build_info"].startswith("b")
+
+
 @pytest.mark.parametrize(
     "model,success",
     [