extractModelInfo (telemetry/utils.ts)

Utility to extract provider and model name from LangChain LLM.

// Source: https://github.com/mcp-use/mcp-use | License: MIT | Copyright 2025 pietrozullo
// Provided via justclaw.it.com; keep this notice with the code.
import type { BaseLanguageModel } from "@langchain/core/language_models/base";

function getModelProvider(llm: BaseLanguageModel): string {
  // Use LangChain's standard _llm_type property for identification
  return (llm as any)._llm_type || llm.constructor.name.toLowerCase();
}

function getModelName(llm: BaseLanguageModel): string {
  // First try _identifying_params which may contain model info
  if ("_identifyingParams" in llm) {
    const identifyingParams = (llm as any)._identifyingParams;
    if (typeof identifyingParams === "object" && identifyingParams !== null) {
      // Common keys that contain model names
      for (const k

... (truncated -- full source via MCP)