Add Dev Proxy MCP Server. Closes #244

Closes #244

Author: garrytrinder

CHANGELOG.md

@@ -9,6 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [0.25.0] - Unreleased
 
+### Added:
+
+- MCP Server: Dev Proxy
+
 ### Changed:
 
 - Snippets: Updated all snippets to use `v0.29.0` schema
@@ -44,6 +48,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Command: `dev-proxy-toolkit.restart` - Restart Dev Proxy
 - Snippets: `devproxy-plugin-typespec-generator` - TypeSpecGeneratorPlugin instance
 - Snippets: `devproxy-plugin-typespec-generator-config` - TypeSpecGeneratorPlugin config section
+- MCP Server: Dev Proxy
 
 ### Changed:
 

README.md

@@ -55,6 +55,11 @@ Shown when the active document is a Dev Proxy configuration file
 - Start recording
 - Stop recording
 
+### MCP Server
+
+- Tool: Find Dev Proxy documentation
+- Tool: Get the installed Dev Proxy version
+
 ### Notifications
 
 - Not installed
@@ -70,8 +75,6 @@ Shown when the active document is a Dev Proxy configuration file
 
 ### Snippets
 
-| Prefix | Description |
-| ------ | ----------- |
 | Prefix | Description |
 | ------ | ----------- |
 | `devproxy-config-file` | Dev Proxy config file |

package-lock.json

@@ -5,7 +5,7 @@
   "version": "0.25.0",
   "publisher": "garrytrinder",
   "engines": {
-    "vscode": "^1.89.0"
+    "vscode": "^1.101.0"
   },
   "categories": [
     "Snippets",
@@ -85,6 +85,12 @@
         "enablement": "!isDevProxyRunning"
       }
     ],
+    "mcpServerDefinitionProviders": [
+      {
+        "id": "devproxymcp",
+        "label": "Dev Proxy"
+      }
+    ],
     "menus": {
       "editor/title": [
         {
@@ -186,7 +192,7 @@
     "@types/mocha": "^10.0.9",
     "@types/node": "^20.11.17",
     "@types/sinon": "^17.0.3",
-    "@types/vscode": "^1.89.0",
+    "@types/vscode": "^1.101.0",
     "@typescript-eslint/eslint-plugin": "^6.21.0",
     "@typescript-eslint/parser": "^6.21.0",
     "@vscode/test-cli": "^0.0.10",

package.json

@@ -7,20 +7,23 @@ import { createStatusBar, statusBarLoop, updateStatusBar } from './statusbar';
 import { registerCodeActions } from './codeactions';
 import { updateGlobalState } from './state';
 import { VersionPreference } from './enums';
+import { registerMcpServer } from './mcp';
 
 export const activate = async (context: vscode.ExtensionContext): Promise<vscode.ExtensionContext> => {
+
   const configuration = vscode.workspace.getConfiguration('dev-proxy-toolkit');
   const versionPreference = configuration.get('version') as VersionPreference;
-
+  
   const statusBar = createStatusBar(context);
   await updateGlobalState(context, versionPreference);
-
+  
   const collection = vscode.languages.createDiagnosticCollection('dev-proxy-toolkit');
-
+  
   registerDocumentListeners(context, collection);
   registerCodeActions(context);
   registerCodeLens(context);
   registerCommands(context, configuration);
+  registerMcpServer(context);
 
   const notification = handleStartNotification(context);
   processNotification(notification);

src/extension.ts

@@ -0,0 +1,21 @@
+import * as vscode from 'vscode';
+
+export const registerMcpServer = (context: vscode.ExtensionContext) => {
+  const didChangeEmitter = new vscode.EventEmitter<void>();
+
+  context.subscriptions.push(
+    vscode.lm.registerMcpServerDefinitionProvider('devproxymcp', {
+      onDidChangeMcpServerDefinitions: didChangeEmitter.event,
+      provideMcpServerDefinitions: async () => {
+        const server: vscode.McpStdioServerDefinition = {
+          label: 'Dev Proxy',
+          command: 'npx',
+          args: ['-y', '@devproxy/mcp'],
+          env: {},
+        };
+
+        return [server];
+      },
+    }),
+  );
+};