diff --git c/src/app/features/room/RoomInput.tsx i/src/app/features/room/RoomInput.tsx
index eb214f62..d2b43481 100644
--- c/src/app/features/room/RoomInput.tsx
+++ i/src/app/features/room/RoomInput.tsx
@@ -306,6 +306,12 @@ export const RoomInput = forwardRef<HTMLDivElement, RoomInputProps>(
       } else if (commandName === Command.UnFlip) {
         plainText = `${UNFLIP} ${plainText}`;
         customHtml = `${UNFLIP} ${customHtml}`;
+      } else if (commandName === Command.NixIssue) {
+        plainText = `https://github.com/nixos/nixpkgs/issues/${plainText}`;
+        customHtml = `https://github.com/nixos/nixpkgs/issues/${customHtml}`;
+      } else if (commandName === Command.NixPR) {
+        plainText = `https://github.com/nixos/nixpkgs/pull/${plainText}`;
+        customHtml = `https://github.com/nixos/nixpkgs/pull/${customHtml}`;
       } else if (commandName) {
         const commandContent = commands[commandName as Command];
         if (commandContent) {
diff --git c/src/app/hooks/useCommands.ts i/src/app/hooks/useCommands.ts
index bc7d2892..bb6ce6f6 100644
--- c/src/app/hooks/useCommands.ts
+++ i/src/app/hooks/useCommands.ts
@@ -52,6 +52,8 @@ export enum Command {
   ConvertToRoom = 'converttoroom',
   TableFlip = 'tableflip',
   UnFlip = 'unflip',
+  NixIssue = 'nixi',
+  NixPR = 'nixp',
 }
 
 export type CommandContent = {
@@ -67,6 +69,16 @@ export const useCommands = (mx: MatrixClient, room: Room): CommandRecord => {
 
   const commands: CommandRecord = useMemo(
     () => ({
+      [Command.NixPR]: {
+        name: Command.NixPR,
+        description: 'Link to nixpkgs PR.',
+        exe: async () => undefined,
+      },
+      [Command.NixIssue]: {
+        name: Command.NixIssue,
+        description: 'Link to nixpkgs issue.',
+        exe: async () => undefined,
+      },
       [Command.Me]: {
         name: Command.Me,
         description: 'Send action message',