browser-pool-mcp

Instructions

Implementation Reference

• index.js:332-339 (registration)

  Registration of the 'browser_click' tool in the MCP server.

  server.tool('browser_click', 'Click element', {
    element: z.string(),
    ref: z.string()
  }, async (args) => {
    const check = requireActivePage();
    if (check) return check;
    return proxyToolCall('browser_click', args);
  });

• index.js:209-221 (handler)

  The proxy function that calls the actual browser-automation client for the 'browser_click' tool.

  async function proxyToolCall(toolName, args) {
    log(`[proxyToolCall] ${toolName} with args: ${JSON.stringify(args)}`);
    const { client } = await getOrCreateInstance();
    log(`[proxyToolCall] got client for port ${assignedPort}`);
  
    // Update last used
    if (assignedPort && instances.has(assignedPort)) {
      instances.get(assignedPort).lastUsed = Date.now();
    }
  
    try {
      log(`[proxyToolCall] Calling client.callTool...`);
      const result = await client.callTool({ name: toolName, arguments: args || {} });