fix: add WithHttpTransport() for HTTP mode and add k8s manifests

HTTP transport mode was missing the required WithHttpTransport() call,
causing MapMcp() to fail. Also adds Kubernetes manifests for deployment.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

PaperlessMCP/Program.cs

@@ -38,6 +38,7 @@ else
 
     builder.Services
         .AddMcpServer()
+        .WithHttpTransport()
         .WithToolsFromAssembly();
 
     var app = builder.Build();
@@ -45,7 +46,7 @@ else
     var port = app.Configuration.GetValue<int?>("Mcp:Port")
                ?? (Environment.GetEnvironmentVariable("MCP_PORT") is string portStr && int.TryParse(portStr, out var p) ? p : 5000);
 
-    app.MapMcp("/mcp");
+    app.MapMcp();
 
     app.Logger.LogInformation("PaperlessMCP server starting on port {Port}", port);
     app.Logger.LogInformation("MCP endpoint available at: http://localhost:{Port}/mcp", port);

k8s/deployment.yaml

@@ -0,0 +1,52 @@
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: paperless-mcp
+  labels:
+    app: paperless-mcp
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: paperless-mcp
+  template:
+    metadata:
+      labels:
+        app: paperless-mcp
+    spec:
+      imagePullSecrets:
+        - name: ghcr-secret
+      containers:
+        - name: paperless-mcp
+          image: ghcr.io/barryw/paperlessmcp:latest
+          ports:
+            - containerPort: 5000
+              protocol: TCP
+          envFrom:
+            - secretRef:
+                name: paperless-mcp
+          env:
+            - name: PAPERLESS_API_TOKEN
+              valueFrom:
+                secretKeyRef:
+                  name: paperless-token
+                  key: token
+          resources:
+            requests:
+              memory: "128Mi"
+              cpu: "100m"
+            limits:
+              memory: "256Mi"
+              cpu: "500m"
+          livenessProbe:
+            httpGet:
+              path: /mcp
+              port: 5000
+            initialDelaySeconds: 10
+            periodSeconds: 30
+          readinessProbe:
+            httpGet:
+              path: /mcp
+              port: 5000
+            initialDelaySeconds: 5
+            periodSeconds: 10

k8s/ingress.yaml

@@ -0,0 +1,19 @@
+apiVersion: networking.k8s.io/v1
+kind: Ingress
+metadata:
+  name: paperless-mcp
+  labels:
+    app: paperless-mcp
+spec:
+  ingressClassName: traefik
+  rules:
+    - host: paperless-mcp.lan
+      http:
+        paths:
+          - path: /
+            pathType: Prefix
+            backend:
+              service:
+                name: paperless-mcp
+                port:
+                  number: 5000

k8s/kustomization.yaml

@@ -0,0 +1,8 @@
+apiVersion: kustomize.config.k8s.io/v1beta1
+kind: Kustomization
+
+resources:
+  - secret.yaml
+  - deployment.yaml
+  - service.yaml
+  - ingress.yaml

k8s/secret.yaml

@@ -0,0 +1,9 @@
+apiVersion: v1
+kind: Secret
+metadata:
+  name: paperless-mcp
+  labels:
+    app: paperless-mcp
+type: Opaque
+stringData:
+  PAPERLESS_BASE_URL: "https://docs.barrywalker.io"

k8s/service.yaml

@@ -0,0 +1,15 @@
+apiVersion: v1
+kind: Service
+metadata:
+  name: paperless-mcp
+  labels:
+    app: paperless-mcp
+spec:
+  type: ClusterIP
+  selector:
+    app: paperless-mcp
+  ports:
+    - port: 5000
+      targetPort: 5000
+      protocol: TCP
+      name: http