main.ts•2.08 kB
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import dotenv from 'dotenv';
import * as mcpServer from '../mcp/server.js';
import * as mcpTransport from '../mcp/transport.js';
import { packageJSON } from '../package.js';
import { Context } from './context.js';
import { perform } from './perform.js';
import { snapshot } from './snapshot.js';
import type { FullConfig } from '../config.js';
import type { ServerBackend } from '../mcp/server.js';
import type { Tool } from './tool.js';
export async function runLoopTools(config: FullConfig) {
dotenv.config();
const serverBackendFactory = () => new LoopToolsServerBackend(config);
await mcpTransport.start(serverBackendFactory, config.server);
}
class LoopToolsServerBackend implements ServerBackend {
readonly name = 'Playwright';
readonly version = packageJSON.version;
private _config: FullConfig;
private _context: Context | undefined;
private _tools: Tool<any>[] = [perform, snapshot];
constructor(config: FullConfig) {
this._config = config;
}
async initialize() {
this._context = await Context.create(this._config);
}
tools(): mcpServer.ToolSchema<any>[] {
return this._tools.map(tool => tool.schema);
}
async callTool(schema: mcpServer.ToolSchema<any>, parsedArguments: any): Promise<mcpServer.ToolResponse> {
const tool = this._tools.find(tool => tool.schema.name === schema.name)!;
return await tool.handle(this._context!, parsedArguments);
}
serverClosed() {
void this._context!.close();
}
}