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Commit 1725363

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executeautomationexecuteautomation
authored
Merge pull request #129 from executeautomation/Reverted-SSE-support,-as-its-breaking-the-existing-flow
Reverted sse support, as its breaking the existing flow
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‎README.md

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+1-32Lines changed: 1 addition & 32 deletions
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@@ -43,7 +43,7 @@ Using Smithery
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To install Playwright MCP for Claude Desktop automatically via [Smithery](https://smithery.ai/server/@executeautomation/playwright-mcp-server):
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```bash
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npx -y @smithery/cli install @executeautomation/playwright-mcp-server --client claude
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npx @smithery/cli install @executeautomation/playwright-mcp-server --client claude
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```
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#### Installation in VS Code
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@@ -88,36 +88,6 @@ Here's the Claude Desktop configuration to use the Playwright server:
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}
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```
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## SSE (Server-Sent Events) Support
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Playwright MCP Server now supports real-time event streaming via Server-Sent Events (SSE).
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### How to Use
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- The server exposes an SSE endpoint at `http://localhost:3001/events`.
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- You can connect to this endpoint using any SSE-compatible client (such as EventSource in the browser or curl).
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- Events are sent in real-time as they occur (e.g., new console logs, screenshots, etc.).
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### Example (JavaScript)
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```js
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const evtSource = new EventSource('http://localhost:3001/events');
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evtSource.addEventListener('console_log_entry', (event) => {
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const data = JSON.parse(event.data);
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console.log('Console log:', data.log);
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});
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evtSource.addEventListener('screenshot', (event) => {
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const data = JSON.parse(event.data);
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console.log('Screenshot event:', data);
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});
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```
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### Available Events
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- `console_log_entry`: Fired when a new console log is captured.
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- `console_logs`: Fired when all logs are requested.
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- `screenshot`: Fired when a screenshot is taken or requested.
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This allows you to build real-time dashboards, monitoring tools, or simply observe browser activity as it happens.
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## Testing
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This project uses Jest for testing. The tests are located in the `src/__tests__` directory.
@@ -138,7 +108,6 @@ npm run test:custom # Run tests with custom script (same as node run-tests.cj
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The test coverage report will be generated in the `coverage` directory.
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### Running evals
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The evals package loads an mcp client that then runs the index.ts file, so there is no need to rebuild between tests. You can load environment variables by prefixing the npx command. Full documentation can be found [here](https://www.mcpevals.io/docs).

‎docs/docs/intro.mdx

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@@ -70,31 +70,3 @@ Modify your `claude-desktop-config.json` file as shown below
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This video should give you an high level overview of what Claude's MCP is and how helpful it will soon become for AI agents
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<YouTubeVideoEmbed videoId="hGJQMbpsTi4" />
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## 🟢 Real-Time Event Streaming (SSE)
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Playwright MCP Server now supports real-time event streaming via Server-Sent Events (SSE).
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- The server exposes an SSE endpoint at `http://localhost:3001/events`.
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- You can connect to this endpoint using any SSE-compatible client (such as EventSource in the browser or curl).
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- Events are sent in real-time as they occur (e.g., new console logs, screenshots, etc.).
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**Example (JavaScript):**
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```js
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const evtSource = new EventSource('http://localhost:3001/events');
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evtSource.addEventListener('console_log_entry', (event) => {
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const data = JSON.parse(event.data);
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console.log('Console log:', data.log);
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});
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evtSource.addEventListener('screenshot', (event) => {
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const data = JSON.parse(event.data);
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console.log('Screenshot event:', data);
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});
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```
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**Available Events:**
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- `console_log_entry`: Fired when a new console log is captured.
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- `console_logs`: Fired when all logs are requested.
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- `screenshot`: Fired when a screenshot is taken or requested.
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This allows you to build real-time dashboards, monitoring tools, or simply observe browser activity as it happens.

‎docs/docs/playwright-web/Supported-Tools.mdx

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import YouTubeVideoEmbed from '@site/src/components/HomepageFeatures/YouTubeVideoEmbed';
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# 🛠️ Supported Tools
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> **🟢 Real-Time Event Streaming (SSE) is now supported!**
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>
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> - Connect to `http://localhost:3001/events` for real-time updates (console logs, screenshots, etc.).
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> - Use any SSE-compatible client (e.g., EventSource in the browser).
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> - Events: `console_log_entry`, `console_logs`, `screenshot`.
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# ��️ Supported Tools
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Playwright MCP for Browser automation has following key features
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- Console log monitoring

‎docs/docs/release.mdx

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# Release Notes
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## Version 1.0.4
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- **SSE (Server-Sent Events) Support**: Added real-time event streaming via SSE
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- New SSE server runs on `http://localhost:3001/events`
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- Real-time streaming of browser console logs and screenshots to any SSE-compatible client
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- Example usage and event types (`console_log_entry`, `console_logs`, `screenshot`) documented in README and docs
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- Enables building real-time dashboards, monitoring tools, or observing browser activity as it happens
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## Version 1.0.5
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- **Removed SSE (Server-Sent Events) Support**: All SSE-related code, endpoints, and documentation have been fully removed. The server now only supports STDIO transport for communication with clients.
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- **Codebase Cleanup**: Removed all references to SseServer, /events endpoint, and related event streaming features from the code and documentation.
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- **Version bump**: Incremented version to 1.0.5.
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## Version 1.0.4
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- **New Tool: `playwright_iframe_fill`**
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- Fill input fields inside iframes using CSS selectors
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- Captures uncaught exceptions and unhandled Promise rejections in browser logs for better debugging
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- **Documentation Updates**
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- Added/updated documentation for new tools, SSE support, and improved installation/configuration instructions
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- Added/updated documentation for new tools and improved installation/configuration instructions
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- **Test Coverage**
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- Added and updated tests for new tools and features

‎package.json

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{
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"name": "@executeautomation/playwright-mcp-server",
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"version": "1.0.4",
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"version": "1.0.5",
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"description": "Model Context Protocol servers for Playwright",
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"license": "MIT",
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"author": "ExecuteAutomation, Ltd (https://executeautomation.com)",

‎src/index.ts

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@@ -4,55 +4,40 @@ import { Server } from "@modelcontextprotocol/sdk/server/index.js";
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import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
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import { createToolDefinitions } from "./tools.js";
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import { setupRequestHandlers } from "./requestHandler.js";
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import { SseServer } from './sseServer.js';
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import http from 'http';
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export const SSE_SERVER_SYMBOL = Symbol('sseServer');
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// Custom interface to allow symbol property
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interface McpServerWithSSE extends Server {
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[key: symbol]: any;
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}
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async function runServer() {
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const server: McpServerWithSSE = new Server(
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const server = new Server(
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{
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name: "executeautomation/playwright-mcp-server",
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version: "1.0.4",
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version: "1.0.5",
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},
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{
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capabilities: {
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resources: {},
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tools: {},
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},
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}
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) as McpServerWithSSE;
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);
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// Create tool definitions
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const TOOLS = createToolDefinitions();
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// Setup request handlers
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setupRequestHandlers(server, TOOLS);
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// Start HTTP server for SSE only if not in test environment
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let sseServer;
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if (process.env.NODE_ENV !== 'test') {
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let httpServer;
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try {
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httpServer = http.createServer();
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sseServer = new SseServer();
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sseServer.attachToServer(httpServer);
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httpServer.listen(3001, () => {
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console.log('SSE server listening on http://localhost:3001/events');
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});
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} catch (err) {
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console.error('Failed to initialize SSE server:', err);
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}
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if (sseServer) {
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server[SSE_SERVER_SYMBOL] = sseServer;
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}
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// Graceful shutdown logic
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function shutdown() {
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console.log('Shutdown signal received');
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process.exit(0);
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}
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process.on('SIGINT', shutdown);
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process.on('SIGTERM', shutdown);
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process.on('exit', shutdown);
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process.on('uncaughtException', (err) => {
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console.error('Uncaught Exception:', err);
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});
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// Create transport and connect
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const transport = new StdioServerTransport();
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await server.connect(transport);

‎src/requestHandler.ts

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Tool
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} from "@modelcontextprotocol/sdk/types.js";
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import { handleToolCall, getConsoleLogs, getScreenshots } from "./toolHandler.js";
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import { SSE_SERVER_SYMBOL } from './index.js';
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export function setupRequestHandlers(server: Server, tools: Tool[]) {
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// List resources handler
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if (uri === "console://logs") {
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const logs = getConsoleLogs().join("\n");
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// Broadcast logs to SSE clients
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try {
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const sseServer = (server as any)[SSE_SERVER_SYMBOL];
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if (sseServer) {
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sseServer.broadcast('console_logs', { logs });
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}
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} catch (err) {
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console.error('Failed to broadcast console logs via SSE:', err);
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}
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return {
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contents: [{
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uri,
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const name = uri.split("://")[1];
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const screenshot = getScreenshots().get(name);
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if (screenshot) {
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// Broadcast screenshot event to SSE clients
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try {
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const sseServer = (server as any)[SSE_SERVER_SYMBOL];
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if (sseServer) {
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sseServer.broadcast('screenshot', { name, screenshot });
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}
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} catch (err) {
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console.error('Failed to broadcast screenshot via SSE:', err);
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}
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return {
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contents: [{
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uri,

‎src/sseServer.ts

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This file was deleted.

‎src/tools/browser/console.ts

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import { BrowserToolBase } from './base.js';
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import { ToolContext, ToolResponse, createSuccessResponse } from '../common/types.js';
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import { SSE_SERVER_SYMBOL } from '../../index.js';
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/**
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* Tool for retrieving and filtering console logs from the browser
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registerConsoleMessage(type: string, text: string): void {
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const logEntry = `[${type}] ${text}`;
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this.consoleLogs.push(logEntry);
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// Broadcast new log entry to SSE clients
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const sseServer = (this.server as any)[SSE_SERVER_SYMBOL];
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if (sseServer) {
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sseServer.broadcast('console_log_entry', { log: logEntry });
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}
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}
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/**

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