From 6820157cfeb8a29cc1a975004c97605d177ed9d2 Mon Sep 17 00:00:00 2001
From: Marco Beretta <81851188+berry-13@users.noreply.github.com>
Date: Tue, 24 Mar 2026 19:33:40 +0100
Subject: [PATCH 1/3] Add LibreChat's Railway custom configuration file

---
 librechat.railway.yaml | 56 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 librechat.railway.yaml

diff --git a/librechat.railway.yaml b/librechat.railway.yaml
new file mode 100644
index 0000000..6c9fe54
--- /dev/null
+++ b/librechat.railway.yaml
@@ -0,0 +1,56 @@
+# LibreChat Configuration File
+# For more information, see: https://www.librechat.ai/docs/configuration/librechat_yaml
+
+version: 1.3.1
+
+# Cache settings
+cache: true
+
+# Interface configuration
+interface:
+  fileCitations: true
+  
+  # MCP Servers configuration
+  # Controls user permissions for MCP (Model Context Protocol) server management
+  mcpServers:
+    use: true      # Allow users to use configured MCP servers
+    share: false    # Allow users to share MCP servers with other users
+    create: true   # Allow users to create and manage new MCP servers
+    public: false  # Allow users to share MCP servers publicly (with everyone)
+
+allowedDomains:
+  - "*.railway.internal"
+
+endpoints:
+  agents:
+    capabilities:
+      [
+        'hide_sequential_outputs',
+        'end_after_tools',
+        'execute_code',
+        'file_search',
+        'web_search',
+        'artifacts',
+        'actions',
+        'context',
+        'tools',
+        'chain',
+        'ocr',
+      ]
+  openAI:
+    fetch: true
+  
+  anthropic:
+    fetch: true
+  
+  google:
+    fetch: true
+
+
+mcpServers:
+  clickhouse-mcp:
+    type: streamable-http
+    url: http://clickhouse-mcp-server.railway.internal:8000/mcp
+    timeout: 60000  # 1 minute timeout
+    headers:
+      Authorization: 'Bearer ${CLICKHOUSE_MCP_AUTH_TOKEN}'

From eb7dff9a0357a61e89661d42dfce4379fae1218a Mon Sep 17 00:00:00 2001
From: Marco Beretta <81851188+berry-13@users.noreply.github.com>
Date: Tue, 24 Mar 2026 19:36:15 +0100
Subject: [PATCH 2/3] Move allowedDomains under mcpSettings

---
 librechat.railway.yaml | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/librechat.railway.yaml b/librechat.railway.yaml
index 6c9fe54..bd930b2 100644
--- a/librechat.railway.yaml
+++ b/librechat.railway.yaml
@@ -18,8 +18,9 @@ interface:
     create: true   # Allow users to create and manage new MCP servers
     public: false  # Allow users to share MCP servers publicly (with everyone)
 
-allowedDomains:
-  - "*.railway.internal"
+mcpSettings:
+  allowedDomains:
+    - "*.railway.internal"
 
 endpoints:
   agents:

From 17d652725cbe0b9ff4e92057d38c6cb874b7dc5a Mon Sep 17 00:00:00 2001
From: Dustin Healy <54083382+dustinhealy@users.noreply.github.com>
Date: Tue, 24 Mar 2026 14:13:29 -0700
Subject: [PATCH 3/3] fix: remove invalid fetch:true endpoints and add stdio
 ClickHouse demo MCP

Remove openAI/anthropic/google fetch:true entries which are not valid
endpoint config. Add stdio-type ClickHouse MCP server pointing to the
public demo dataset at sql-clickhouse.clickhouse.com.
---
 librechat.railway.yaml | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/librechat.railway.yaml b/librechat.railway.yaml
index bd930b2..4eb8e5a 100644
--- a/librechat.railway.yaml
+++ b/librechat.railway.yaml
@@ -38,20 +38,29 @@ endpoints:
         'chain',
         'ocr',
       ]
-  openAI:
-    fetch: true
-  
-  anthropic:
-    fetch: true
-  
-  google:
-    fetch: true
-
 
 mcpServers:
   clickhouse-mcp:
     type: streamable-http
     url: http://clickhouse-mcp-server.railway.internal:8000/mcp
-    timeout: 60000  # 1 minute timeout
+    timeout: 60000
     headers:
       Authorization: 'Bearer ${CLICKHOUSE_MCP_AUTH_TOKEN}'
+  clickhouse:
+    command: "uv"
+    args:
+      - run
+      - --with
+      - mcp-clickhouse==0.1.5
+      - --python
+      - "3.13"
+      - mcp-clickhouse
+    env:
+      CLICKHOUSE_HOST: "sql-clickhouse.clickhouse.com"
+      CLICKHOUSE_PORT: "8443"
+      CLICKHOUSE_USER: "demo"
+      CLICKHOUSE_PASSWORD: ""
+      CLICKHOUSE_SECURE: "true"
+      CLICKHOUSE_VERIFY: "true"
+      CLICKHOUSE_CONNECT_TIMEOUT: "30"
+      CLICKHOUSE_SEND_RECEIVE_TIMEOUT: "30"