A proxy-aware MCP server that enables web searching across multiple engines and automated markdown content extraction from webpages. It features a deep research agent for recursive searching and synthesis, supporting complex network environments through SOCKS5 and HTTP proxies.
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
When Vitest UI server is listening, arbitrary file can be read and executed
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
express vulnerable to XSS via response.redirect()
process.env. You'll be asked to provide them before it can run.ALLOWED_HOSTSBROWSER_CONCURRENCYBROWSER_IDLE_TIMEOUT_MSBROWSER_SCREENSHOT_MAX_SIZECHROMIUM_EXECUTABLE_PATHCORS_ORIGIN— Allowed CORS origin.DEEP_SEARCH_MAX_CITATION_URLS— 10 Max URLs to visit for citations.DEEP_SEARCH_MAX_LOOPS— 20 Max research iterations.DEEP_SEARCH_REPORT_RETENTION_MINUTES— 10 Download expiration time (minutes).DEEP_SEARCH_RESULTS_PER_ENGINE— 5 Results per engine per round.DEEP_SEARCH_SATURATION_THRESHOLD— 0.6 Threshold to stop research early.DEFAULT_SEARCH_ENGINES— bing,duckduckgo,brave Default engines list.DOCKER_ENVIRONMENTENABLE_CORS— false Enable CORS.ENABLE_DNS_REBINDING_PROTECTIONENABLE_PROXY— false Enable proxy support.HTTPS_PROXY— HTTPS Proxy URL.HTTP_PROXY— HTTP Proxy URL.LLM_API_KEY— External LLM API key.LLM_BASE_URL— External LLM API base URL.LLM_NAME— External LLM model name.LLM_RETRY_DELAYSLLM_TIMEOUT_MS— 30000 Timeout for external LLM calls.MCP_LOG_PATHPORT— 3000 Server port.PUBLIC_URL— URL Configuration: Link generation depends on the variable to ensure accessible download endpoints in proxied environments.SAMPLING— false Enable result sampling.SKIP_COOLDOWNSKIP_IDE_SAMPLING— false Prefer external API over IDE.SOCKS5_PROXY— SOCKS5 Proxy URL (Highest Priority).WRITE_DEBUG_FILE— false Log debug output to file.WRITE_DEBUG_TERMINAL— false Log debug output to stdout.[](https://m8ven.ai/mcp/rinaldowouterson-mcp-open-webresearch-07vlrk)