update: bump 6 MCP packages + nixpkgs flake

- flake.lock: nixpkgs 2026-05-31 → 2026-06-16
- zotero-mcp: v0.2.2 → v0.5.0
- duckduckgo-mcp-server: 0.1.1-unstable → v0.4.0
- kindly-web-search-mcp-server: bump to latest commit + add trafilatura dep
- sabnzbd-mcp: pin to specific commit instead of refs/heads/main
- jellyfin-mcp: v2026.318.7 → v2026.604.2 (remove go.mod patch)
- nextcloud-mcp-server: v0.89.0 → v0.121.3

n8n-mcp, mcp-arr-server, pdf-reader-mcp held back:
upstream npm packages require @modelcontextprotocol/sdk versions
not yet published to npm registry

flake.lock

@@ -2,11 +2,11 @@
   "nodes": {
     "nixpkgs": {
       "locked": {
-        "lastModified": 1780243769,
+        "lastModified": 1781577229,
-        "narHash": "sha256-x5UQuRsH3MqI0U9afaXSNqzTPSeZlRLvFAav2Ux1pNw=",
+        "narHash": "sha256-lrp67w8AulE9Ks53n27I45ADSzbOCn4H+CNW1Ck8B+8=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "331800de5053fcebacf6813adb5db9c9dca22a0c",
+        "rev": "567a49d1913ce81ac6e9582e3553dd90a955875f",
         "type": "github"
       },
       "original": {

packages/duckduckgo-mcp-server/package.nix

@@ -6,14 +6,14 @@
 
 python3Packages.buildPythonApplication rec {
   pname = "duckduckgo-mcp-server";
-  version = "0.1.1-unstable";
+  version = "0.4.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "nickclyde";
     repo = "duckduckgo-mcp-server";
-    rev = "d198a2f0e8bd7c862d87d8517e1518aa295f8348";
+    rev = "v${version}";
-    hash = "sha256-aoWU5AVErAt73V+BgveEmVnjNh/cteS+A9AIFLylOsw=";
+    hash = "sha256-g1mpBrhuCt3g/XnUfHoY8lJDMizINypikj8Lqk2LVuE=";
   };
 
   build-system = [ python3Packages.hatchling ];

packages/jellyfin-mcp/package.nix

@@ -6,21 +6,16 @@
 
 buildGoModule rec {
   pname = "jellyfin-mcp";
-  version = "2026.318.7";
+  version = "2026.604.2";
 
   src = fetchFromGitHub {
     owner = "jaredtrent";
     repo = "jellyfin-mcp";
     tag = "v${version}";
-    hash = "sha256-/6Sy8C5+/x90ZTo74qX0agTHybsWw+Vg416GBM1PS7k=";
+    hash = "sha256-Ks54txfOAkNEWfhl5ZXEIaFzAbmCnwhHtN1+FIa7dgo=";
   };
 
-  # go.mod requires 1.25.6 but nixpkgs has 1.25.5; patch to relax
+  vendorHash = "sha256-cDy+PpZM6xL7ur/xq81y4vlyaDnSOpGkyVV2hh8qI7o=";
-  postPatch = ''
-    substituteInPlace go.mod --replace-fail "go 1.25.6" "go 1.25.5"
-  '';
-
-  vendorHash = "sha256-WYb+BpnKUUrgcJ0zChdTb1oB99R8bTgpSXUtjPKhL6M=";
 
   meta = with lib; {
     description = "MCP server for Jellyfin media server — search, playback, metadata, admin";

packages/kindly-web-search-mcp-server/package.nix

@@ -77,8 +77,8 @@ python313Packages.buildPythonApplication rec {
   src = fetchFromGitHub {
     owner = "Shelpuk-AI-Technology-Consulting";
     repo = "kindly-web-search-mcp-server";
-    rev = "2fd83d28710cce335f610e3d5ed0b403250ab1ba";
+    rev = "2b76afb37bf311facbde6750d0a0c0cbdfb8fec2";
-    hash = "sha256-sOLx87p+w51wuBOItDdzrsrgItNZ92WivZAv3Zzp16o=";
+    hash = "sha256-90QHr2FPiMSwKXmjlZ2W9NIQvj3LDXzYIq6m/Z+sJMw=";
   };
 
   build-system = with python313Packages; [
@@ -94,6 +94,7 @@ python313Packages.buildPythonApplication rec {
     nodriver
     pymupdf
     fastmcp
+    trafilatura
   ];
 
   nativeBuildInputs = [ makeWrapper ];

packages/nextcloud-mcp-server/package.nix

@@ -132,14 +132,14 @@ let
 in
 python3Packages.buildPythonApplication rec {
   pname = "nextcloud-mcp-server";
-  version = "0.89.0";
+  version = "0.121.3";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "cbcoutinho";
     repo = "nextcloud-mcp-server";
     rev = "v${version}";
-    hash = "sha256-IDTSGsHQ8cCFvgSO7pDbSSHVNV0OIjjoEN9ZfkaPAvk=";
+    hash = "sha256-U6BG5anTEllNnJzta4VV6QOfn86+N15q6v/SfLGM7mc=";
   };
 
   build-system = [ python3Packages.uv-build ];

packages/sabnzbd-mcp/package.nix

@@ -23,7 +23,7 @@ stdenv.mkDerivation {
   src = fetchFromGitHub {
     owner = "jmagar";
     repo = "sabnzbd-mcp";
-    rev = "refs/heads/main";
+    rev = "9d691ed70b72397fddec03ca4ec68c81b30c79c3";
     hash = "sha256-1sEnHH40cDVT5oiZD2Xywl7S9vJThii/ce+6r+XmpSw=";
   };
 

packages/zotero-mcp/package.nix

@@ -39,14 +39,14 @@ let
 in
 python3Packages.buildPythonApplication rec {
   pname = "zotero-mcp";
-  version = "0.2.2";
+  version = "0.5.0";
   pyproject = true;
 
   src = fetchFromGitHub {
     owner = "54yyyu";
     repo = "zotero-mcp";
     rev = "v${version}";
-    hash = "sha256-GZkzABsUh6qua66K4URPq0InLgs6cqLgKEXm7wzT+s8=";
+    hash = "sha256-ioy6bdP+jFioUGBKiiYtD4nbdFe6v2E3nCi6s9+dTT0=";
   };
 
   build-system = with python3Packages; [