Local (npm)stdio
Environment: SEARCH_API, SURF_SEARCH_PROVIDER, SURF_SCHOLAR_PROVIDER, SURF_BROWSER_ENGINE, CHROME_PATH, SURF_PROFILE_ROOT, SURF_RESEARCH, SURF_RETRIEVAL_MODE, SURF_RESEARCH_ROOT, SURF_RESEARCH_VECTOR_MODEL, SURF_RESEARCH_VECTOR_LOW_MEMORY, SURF_RESEARCH_VECTOR_THREADS, SURF_RESEARCH_REPO_AUTO, SURF_RESEARCH_REPO_AUTO_MAX_MB, SURF_RESEARCH_REPO_AUTO_MAX_FILES, SURF_RESEARCH_BROKER_IDLE_MS, SURF_RESEARCH_READ_CONCURRENCY, SURF_RESEARCH_QUERY_TIMEOUT_MS, GITHUB_TOKEN, SURF_LOCALE, SURF_TZ, SURF_HEADLESS, SURF_IDLE_CLOSE_MS, SURF_ALLOW_PRIVATE, SURF_LLM_HEAL, SURF_LLM_PROVIDER, SURF_LLM_MODEL, ANTHROPIC_API_KEY, ORCAROUTER_API_KEY