feat: integrate offcial mcp server registry (#374)

src/controllers/registryController.ts

@@ -0,0 +1,169 @@
+import { Request, Response } from 'express';
+import { ApiResponse } from '../types/index.js';
+
+const REGISTRY_BASE_URL = 'https://registry.modelcontextprotocol.io/v0.1';
+
+/**
+ * Get all MCP servers from the official registry
+ * Proxies the request to avoid CORS issues in the frontend
+ * Supports cursor-based pagination
+ */
+export const getAllRegistryServers = async (req: Request, res: Response): Promise<void> => {
+  try {
+    const { cursor, limit, search } = req.query;
+
+    // Build URL with query parameters
+    const url = new URL(`${REGISTRY_BASE_URL}/servers`);
+    if (cursor && typeof cursor === 'string') {
+      url.searchParams.append('cursor', cursor);
+    }
+    if (limit && typeof limit === 'string') {
+      const limitNum = parseInt(limit, 10);
+      if (!isNaN(limitNum) && limitNum > 0) {
+        url.searchParams.append('limit', limit);
+      }
+    }
+    if (search && typeof search === 'string') {
+      url.searchParams.append('search', search);
+    }
+
+    const response = await fetch(url.toString(), {
+      headers: {
+        Accept: 'application/json, application/problem+json',
+      },
+    });
+
+    if (!response.ok) {
+      throw new Error(`HTTP error! status: ${response.status}`);
+    }
+
+    const data = await response.json();
+
+    const apiResponse: ApiResponse<typeof data> = {
+      success: true,
+      data: data,
+    };
+
+    res.json(apiResponse);
+  } catch (error) {
+    console.error('Error fetching registry servers:', error);
+    const errorMessage =
+      error instanceof Error ? error.message : 'Failed to fetch registry servers';
+    res.status(500).json({
+      success: false,
+      message: errorMessage,
+    });
+  }
+};
+
+/**
+ * Get all versions of a specific MCP server
+ * Proxies the request to avoid CORS issues in the frontend
+ */
+export const getRegistryServerVersions = async (req: Request, res: Response): Promise<void> => {
+  try {
+    const { serverName } = req.params;
+
+    if (!serverName) {
+      res.status(400).json({
+        success: false,
+        message: 'Server name is required',
+      });
+      return;
+    }
+
+    // URL encode the server name
+    const encodedName = encodeURIComponent(serverName);
+    const response = await fetch(`${REGISTRY_BASE_URL}/servers/${encodedName}/versions`, {
+      headers: {
+        Accept: 'application/json, application/problem+json',
+      },
+    });
+
+    if (!response.ok) {
+      if (response.status === 404) {
+        res.status(404).json({
+          success: false,
+          message: 'Server not found',
+        });
+        return;
+      }
+      throw new Error(`HTTP error! status: ${response.status}`);
+    }
+
+    const data = await response.json();
+
+    const apiResponse: ApiResponse<typeof data> = {
+      success: true,
+      data: data,
+    };
+
+    res.json(apiResponse);
+  } catch (error) {
+    console.error('Error fetching registry server versions:', error);
+    const errorMessage =
+      error instanceof Error ? error.message : 'Failed to fetch registry server versions';
+    res.status(500).json({
+      success: false,
+      message: errorMessage,
+    });
+  }
+};
+
+/**
+ * Get a specific version of an MCP server
+ * Proxies the request to avoid CORS issues in the frontend
+ */
+export const getRegistryServerVersion = async (req: Request, res: Response): Promise<void> => {
+  try {
+    const { serverName, version } = req.params;
+
+    if (!serverName || !version) {
+      res.status(400).json({
+        success: false,
+        message: 'Server name and version are required',
+      });
+      return;
+    }
+
+    // URL encode the server name and version
+    const encodedName = encodeURIComponent(serverName);
+    const encodedVersion = encodeURIComponent(version);
+    const response = await fetch(
+      `${REGISTRY_BASE_URL}/servers/${encodedName}/versions/${encodedVersion}`,
+      {
+        headers: {
+          Accept: 'application/json, application/problem+json',
+        },
+      },
+    );
+
+    if (!response.ok) {
+      if (response.status === 404) {
+        res.status(404).json({
+          success: false,
+          message: 'Server version not found',
+        });
+        return;
+      }
+      throw new Error(`HTTP error! status: ${response.status}`);
+    }
+
+    const data = await response.json();
+
+    const apiResponse: ApiResponse<typeof data> = {
+      success: true,
+      data: data,
+    };
+
+    res.json(apiResponse);
+  } catch (error) {
+    console.error('Error fetching registry server version:', error);
+    const errorMessage =
+      error instanceof Error ? error.message : 'Failed to fetch registry server version';
+    res.status(500).json({
+      success: false,
+      message: errorMessage,
+    });
+  }
+};

src/routes/index.ts

@@ -56,9 +56,18 @@ import {
   getCloudServerToolsList,
   callCloudTool,
 } from '../controllers/cloudController.js';
+import {
+  getAllRegistryServers,
+  getRegistryServerVersions,
+  getRegistryServerVersion,
+} from '../controllers/registryController.js';
 import { login, register, getCurrentUser, changePassword } from '../controllers/authController.js';
 import { getAllLogs, clearLogs, streamLogs } from '../controllers/logController.js';
-import { getRuntimeConfig, getPublicConfig, getMcpSettingsJson } from '../controllers/configController.js';
+import {
+  getRuntimeConfig,
+  getPublicConfig,
+  getMcpSettingsJson,
+} from '../controllers/configController.js';
 import { callTool } from '../controllers/toolController.js';
 import { getPrompt } from '../controllers/promptController.js';
 import { uploadDxtFile, uploadMiddleware } from '../controllers/dxtController.js';
@@ -144,6 +153,11 @@ export const initRoutes = (app: express.Application): void => {
   router.get('/cloud/servers/:serverName/tools', getCloudServerToolsList);
   router.post('/cloud/servers/:serverName/tools/:toolName/call', callCloudTool);
 
+  // Registry routes (proxy to official MCP registry)
+  router.get('/registry/servers', getAllRegistryServers);
+  router.get('/registry/servers/:serverName/versions', getRegistryServerVersions);
+  router.get('/registry/servers/:serverName/versions/:version', getRegistryServerVersion);
+
   // Log routes
   router.get('/logs', getAllLogs);
   router.delete('/logs', clearLogs);