diff --git a/proxy/src/index.ts b/proxy/src/index.ts
index 86bb84d..a9ff5b8 100644
--- a/proxy/src/index.ts
+++ b/proxy/src/index.ts
@@ -19,6 +19,14 @@ interface CommitRequest {
   apiKey: string;
 }
 
+/**
+ * Request body interface for publish endpoint
+ */
+interface PublishRequest {
+  dandisetId: string;
+  apiKey: string;
+}
+
 /**
  * Handle CORS preflight requests
  */
@@ -194,6 +202,107 @@ async function handleCommit(request: Request): Promise<Response> {
   }
 }
 
+/**
+ * Handle publish dandiset request
+ */
+async function handlePublish(request: Request): Promise<Response> {
+  const origin = request.headers.get('Origin');
+  
+  // Validate origin
+  if (!origin || !ALLOWED_ORIGINS.includes(origin)) {
+    return new Response(
+      JSON.stringify({ error: 'Origin not allowed' }),
+      { status: 403, headers: { 'Content-Type': 'application/json' } }
+    );
+  }
+  
+  const corsHeaders = getCorsHeaders(origin);
+  
+  try {
+    // Parse request body
+    const body: PublishRequest = await request.json();
+    const { dandisetId, apiKey } = body;
+    
+    // Validate required fields
+    if (!dandisetId || !apiKey) {
+      return new Response(
+        JSON.stringify({
+          error: 'Missing required fields: dandisetId, apiKey'
+        }),
+        {
+          status: 400,
+          headers: { 'Content-Type': 'application/json', ...corsHeaders }
+        }
+      );
+    }
+    
+    // Forward to DANDI API publish endpoint
+    const dandiUrl = `${DANDI_API_BASE}/dandisets/${dandisetId}/versions/draft/publish/`;
+    
+    const dandiResponse = await fetch(dandiUrl, {
+      method: 'POST',
+      headers: {
+        'Authorization': `token ${apiKey}`,
+        'Content-Type': 'application/json',
+      },
+    });
+    
+    // Get response body
+    const responseText = await dandiResponse.text();
+    let responseData;
+    try {
+      responseData = JSON.parse(responseText);
+    } catch {
+      responseData = { message: responseText };
+    }
+    
+    // Check if DANDI request was successful
+    if (!dandiResponse.ok) {
+      return new Response(
+        JSON.stringify({
+          error: 'DANDI API publish request failed',
+          status: dandiResponse.status,
+          message: responseData.message || responseData.detail || responseText,
+          details: responseData,
+        }),
+        {
+          status: dandiResponse.status,
+          headers: { 'Content-Type': 'application/json', ...corsHeaders }
+        }
+      );
+    }
+    
+    console.log(`Successfully published dandiset ${dandisetId}`);
+    
+    // Return success response
+    return new Response(
+      JSON.stringify({
+        success: true,
+        message: 'Dandiset published successfully',
+        data: responseData,
+      }),
+      {
+        status: 200,
+        headers: { 'Content-Type': 'application/json', ...corsHeaders }
+      }
+    );
+    
+  } catch (error) {
+    console.error('Error handling publish request:', error);
+    
+    return new Response(
+      JSON.stringify({
+        error: 'Internal server error',
+        message: error instanceof Error ? error.message : 'Unknown error',
+      }),
+      {
+        status: 500,
+        headers: { 'Content-Type': 'application/json', ...corsHeaders }
+      }
+    );
+  }
+}
+
 /**
  * Main Worker export
  */
@@ -212,6 +321,11 @@ export default {
       return handleCommit(request);
     }
     
+    // Route to publish endpoint
+    if (url.pathname === '/publish' && request.method === 'POST') {
+      return handlePublish(request);
+    }
+    
     // Health check endpoint
     if (url.pathname === '/' || url.pathname === '/health') {
       return new Response(
diff --git a/src/components/Controls/CommitButton.tsx b/src/components/Controls/CommitButton.tsx
index a2c426e..9899fe6 100644
--- a/src/components/Controls/CommitButton.tsx
+++ b/src/components/Controls/CommitButton.tsx
@@ -5,9 +5,10 @@ import DeleteSweepIcon from '@mui/icons-material/DeleteSweep';
 import LockIcon from '@mui/icons-material/Lock';
 import LinkIcon from '@mui/icons-material/Link';
 import { useMetadataContext } from '../../context/MetadataContext';
-import { commitMetadataChanges, fetchDandisetVersionInfo } from '../../utils/api';
+import { commitMetadataChanges, fetchDandisetVersionInfo, publishDandiset } from '../../utils/api';
 import { createProposalLink } from '../../core/proposalLink';
 import type { DandisetMetadata } from '../../types/dandiset';
+import { CommitConfirmDialog, type CommitAction } from './CommitConfirmDialog';
 
 interface CommitButtonProps {
   isReviewMode?: boolean;
@@ -26,17 +27,30 @@ export function CommitButton({ isReviewMode = false }: CommitButtonProps) {
     clearModifications
   } = useMetadataContext();
 
+  const [showDialog, setShowDialog] = useState(false);
   const [isCommitting, setIsCommitting] = useState(false);
   const [commitError, setCommitError] = useState<string | null>(null);
   const [commitSuccess, setCommitSuccess] = useState(false);
+  const [successMessage, setSuccessMessage] = useState<string>('Metadata committed successfully!');
   const [copySuccess, setCopySuccess] = useState(false);
   const [copyError, setCopyError] = useState<string | null>(null);
 
   const hasChanges = JSON.stringify(originalMetadata) !== JSON.stringify(modifiedMetadata);
   const canCommit = hasChanges && !!apiKey && !!versionInfo;
 
-  const handleCommit = async () => {
+  const handleCommitClick = () => {
+    if (!canCommit) return;
+    setShowDialog(true);
+  };
+
+  const handleDialogClose = async (action: CommitAction) => {
+    if (action === 'cancel') {
+      setShowDialog(false);
+      return;
+    }
+
     if (!apiKey || !versionInfo || !dandisetId || !version) {
+      setShowDialog(false);
       return;
     }
 
@@ -47,9 +61,18 @@ export function CommitButton({ isReviewMode = false }: CommitButtonProps) {
       // Commit the changes via the proxy
       await commitMetadataChanges(dandisetId, version, modifiedMetadata, apiKey);
 
+      // If commit and publish, also publish
+      if (action === 'commit-and-publish') {
+        await publishDandiset(dandisetId, apiKey);
+        setSuccessMessage('Metadata committed and dandiset published successfully!');
+      } else {
+        setSuccessMessage('Metadata committed successfully!');
+      }
+
       // Success! Clear pending changes
       clearModifications();
       setCommitSuccess(true);
+      setShowDialog(false);
 
       // Refresh the version info to get the latest state
       setIsLoading(true);
@@ -66,6 +89,7 @@ export function CommitButton({ isReviewMode = false }: CommitButtonProps) {
     } catch (error) {
       console.error('Commit failed:', error);
       setCommitError(error instanceof Error ? error.message : 'Failed to commit changes');
+      setShowDialog(false);
     } finally {
       setIsCommitting(false);
     }
@@ -172,7 +196,7 @@ export function CommitButton({ isReviewMode = false }: CommitButtonProps) {
               color="success"
               size="small"
               startIcon={isCommitting ? <CircularProgress size={16} color="inherit" /> : (!apiKey ? <LockIcon /> : <SaveIcon />)}
-              onClick={handleCommit}
+              onClick={handleCommitClick}
               disabled={!canCommit || isCommitting}
             >
               {isCommitting ? 'Committing...' : 'Commit Changes'}
@@ -188,13 +212,13 @@ export function CommitButton({ isReviewMode = false }: CommitButtonProps) {
         onClose={() => setCommitSuccess(false)}
         anchorOrigin={{ vertical: 'bottom', horizontal: 'center' }}
       >
-        <Alert 
-          onClose={() => setCommitSuccess(false)} 
-          severity="success" 
+        <Alert
+          onClose={() => setCommitSuccess(false)}
+          severity="success"
           variant="filled"
           sx={{ width: '100%' }}
         >
-          Metadata committed successfully!
+          {successMessage}
         </Alert>
       </Snackbar>
 
@@ -248,6 +272,13 @@ export function CommitButton({ isReviewMode = false }: CommitButtonProps) {
           {copyError}
         </Alert>
       </Snackbar>
+
+      {/* Commit confirmation dialog */}
+      <CommitConfirmDialog
+        open={showDialog}
+        onClose={handleDialogClose}
+        isProcessing={isCommitting}
+      />
     </>
   );
 }
diff --git a/src/components/Controls/CommitConfirmDialog.tsx b/src/components/Controls/CommitConfirmDialog.tsx
new file mode 100644
index 0000000..a0ea892
--- /dev/null
+++ b/src/components/Controls/CommitConfirmDialog.tsx
@@ -0,0 +1,61 @@
+import { Dialog, DialogTitle, DialogContent, DialogContentText, DialogActions, Button } from '@mui/material';
+
+export type CommitAction = 'cancel' | 'commit-only' | 'commit-and-publish';
+
+interface CommitConfirmDialogProps {
+  open: boolean;
+  onClose: (action: CommitAction) => void;
+  isProcessing?: boolean;
+}
+
+export function CommitConfirmDialog({ open, onClose, isProcessing = false }: CommitConfirmDialogProps) {
+  return (
+    <Dialog
+      open={open}
+      onClose={() => !isProcessing && onClose('cancel')}
+      aria-labelledby="commit-dialog-title"
+      maxWidth="sm"
+      fullWidth
+    >
+      <DialogTitle id="commit-dialog-title">
+        Commit Changes
+      </DialogTitle>
+      <DialogContent>
+        <DialogContentText>
+          Choose how to proceed with your metadata changes:
+        </DialogContentText>
+        <DialogContentText sx={{ mt: 2 }}>
+          <strong>Commit and Publish (Recommended):</strong> Save your changes and immediately publish a new version of your dandiset.
+        </DialogContentText>
+        <DialogContentText sx={{ mt: 1 }}>
+          <strong>Commit Only:</strong> Save your changes to the draft without publishing.
+        </DialogContentText>
+      </DialogContent>
+      <DialogActions sx={{ px: 3, pb: 2 }}>
+        <Button 
+          onClick={() => onClose('cancel')} 
+          disabled={isProcessing}
+        >
+          Cancel
+        </Button>
+        <Button 
+          onClick={() => onClose('commit-only')}
+          disabled={isProcessing}
+          variant="outlined"
+          color="primary"
+        >
+          Commit Only
+        </Button>
+        <Button 
+          onClick={() => onClose('commit-and-publish')}
+          disabled={isProcessing}
+          variant="contained"
+          color="success"
+          autoFocus
+        >
+          Commit and Publish
+        </Button>
+      </DialogActions>
+    </Dialog>
+  );
+}
diff --git a/src/utils/api.ts b/src/utils/api.ts
index 9ef4d53..0d861e9 100644
--- a/src/utils/api.ts
+++ b/src/utils/api.ts
@@ -110,3 +110,38 @@ export async function commitMetadataChanges(
   const data = await response.json();
   console.log('Metadata committed successfully', data);
 }
+
+export async function publishDandiset(
+  dandisetId: string,
+  apiKey: string
+): Promise<void> {
+  const url = `${PROXY_URL}/publish`;
+
+  const response = await fetch(url, {
+    method: 'POST',
+    headers: {
+      'Content-Type': 'application/json',
+    },
+    body: JSON.stringify({
+      dandisetId,
+      apiKey,
+    }),
+  });
+
+  if (!response.ok) {
+    const errorData = await response.json().catch(() => ({}));
+    
+    if (response.status === 401 || response.status === 403) {
+      throw new Error('Authentication failed. Please check your API key.');
+    }
+    
+    throw new Error(
+      errorData.message ||
+      errorData.error ||
+      `Failed to publish dandiset: ${response.statusText}`
+    );
+  }
+
+  const data = await response.json();
+  console.log('Dandiset published successfully', data);
+}