diff --git a/README.md b/README.md
index 768fa6c..8ad36cb 100644
--- a/README.md
+++ b/README.md
@@ -145,7 +145,8 @@ etc. — so the assistant gains local, private, long-term memory:
 
 ```bash
 pip install "mcp[cli]"
-python3 mcp_server.py           # stdio MCP server
+python3 mcp_server.py           # stdio  — Claude Desktop, Cursor
+python3 mcp_server.py --http    # Streamable HTTP (MCP_HOST/MCP_PORT) — Open WebUI, LibreChat, web UIs
 ```
 
 Add to your MCP host's config:
diff --git a/mcp_server.py b/mcp_server.py
index d8b96bb..70d6868 100755
--- a/mcp_server.py
+++ b/mcp_server.py
@@ -35,6 +35,9 @@ except Exception:
     raise
 
 mcp = FastMCP("secondbrain")
+# Streamable-HTTP bind (used with `--http`); the transport all web UIs consume natively.
+mcp.settings.host = os.environ.get("MCP_HOST", "127.0.0.1")
+mcp.settings.port = int(os.environ.get("MCP_PORT", "8790"))
 
 
 @mcp.tool()
@@ -87,4 +90,9 @@ def stats() -> str:
 
 
 if __name__ == "__main__":
-    mcp.run()
+    # stdio (Claude Desktop, Cursor):   python3 mcp_server.py
+    # streamable-http (Open WebUI, LibreChat, any web UI):  python3 mcp_server.py --http
+    if "--http" in sys.argv:
+        mcp.run(transport="streamable-http")   # serves at http://MCP_HOST:MCP_PORT/mcp
+    else:
+        mcp.run()