lsp-mcp

import json import logging import os from http.server import BaseHTTPRequestHandler, HTTPServer from langtools_mcp.langtools.strategies import LANGUAGE_STRATEGIES from langtools_mcp.logger import setup_logging HOST = "localhost" PORT = 61782 setup_logging() logger = logging.getLogger("langtools_daemon") class LangtoolsDaemonHandler(BaseHTTPRequestHandler): def send_error_json(self, code, message): self.send_response(code) self.send_header("Content-type", "application/json") self.end_headers() self.wfile.write(json.dumps({"status": "fail", "error": message}).encode()) def do_POST(self): try: length = int(self.headers.get("Content-Length", 0)) data = self.rfile.read(length) req = json.loads(data) language = req.get("language") project_root = req.get("project_root") logger.info( f"POST request: language={language}, project_root={project_root}" ) if not language or not project_root: self.send_error_json(400, "Missing language or project_root") return try: strategy_cls = LANGUAGE_STRATEGIES[language.lower()] strategy = strategy_cls(project_root) except KeyError: self.send_error_json(400, f"Unsupported language: {language}") return result = strategy.analyze() self.send_response(200) self.send_header("Content-type", "application/json") self.end_headers() self.wfile.write(result.model_dump_json().encode()) except Exception as exc: logger.exception("Unhandled exception") self.send_error_json(500, str(exc)) def run(): host = os.getenv("LANGTOOLSD_HOST", HOST) port = int(os.getenv("LANGTOOLSD_PORT", PORT)) server_address = (host, port) httpd = HTTPServer(server_address, LangtoolsDaemonHandler) logger.info(f"Langtools Daemon started on {host}:{port}") try: httpd.serve_forever() except KeyboardInterrupt: logger.info("Shutting down daemon...") httpd.server_close() if __name__ == "__main__": run()