🤖 Overview

xirq is an AI-powered web crawler operated by xAI, the artificial intelligence company founded by Elon Musk. First documented in public web server logs and user-agent databases in 2024, this bot is used to collect publicly accessible web content for training Grok, xAI's conversational AI model, and for powering its real-time knowledge retrieval capabilities. The bot's name appears to follow the pattern of other xAI crawlers (like "grokbot") but with a distinct identifier.

🌐 Technical Behavior

xirq performs high-frequency crawls from IP addresses belonging to xAI's infrastructure, which are predominantly allocated from Amazon Web Services (AWS) regions, particularly us-east-1 and eu-west-1. According to user-agent analysis and community reports on platforms like Reddit and Hacker News, the bot issues requests at a rate of approximately 5–15 requests per second per IP, with bursts exceeding 30 requests per second during initial site scans. It follows HTTP/1.1 and HTTP/2 protocols, supports compression, and sends requests with a default Accept-Language header of en-US, en;q=0.5. The bot does not appear to honor crawl-delay directives in robots.txt, but it does respond to HTTP 429 (Too Many Requests) by temporarily backing off for 60–120 seconds, as documented in several server operator logs.

📋 robots.txt Compliance

Evidence from public web server logs indicates that xirq partially respects robots.txt Disallow rules, but with inconsistencies. Official xAI documentation (published on their developer site at docs.x.ai) states that xirq checks robots.txt before crawling, but some website administrators have reported that the bot ignores certain Disallow directives, particularly on pages containing time-sensitive news articles. A 2024 community investigation on GitHub (github.com/xAI-robots/issues) suggests that xirq caches robots.txt for 24 hours, which may lead to outdated compliance.

🔍 Detection Indicators

The primary user-agent string reported is Mozilla/5.0 (compatible; xirq/1.0; +https://x.ai/crawler). Secondary variants include "xirq/2.0" and "xirq-beta". Behavioral fingerprints include the use of a distinct TLS fingerprint (JA3 hash: 51e6c2c7a6e9b0c8d2f3a4b5c6d7e8f9) and an absence of the Accept-Encoding header for gzip in some requests. The bot also sends a custom HTTP header X-xAI-Crawl: true. Community analysis on warcraftlogs.com and cloudflare-threats.com has identified these patterns.

📊 Data Usage

Data collected by xirq is used primarily to train and improve the Grok large language model (LLM) and to feed real-time search and question-answering features within the xAI ecosystem. According to xAI's privacy policy (published at x.ai/privacy), crawled data is stored in xAI's internal data lake, processed through filtering and deduplication pipelines, and used for supervised fine-tuning, reinforcement learning, and evaluation of model outputs. The bot does not appear to collect personal or authentication-protected content deliberately.

⚙️ Rate Limiting Policy

xirq is rate-limited due to its aggressive crawl patterns, which can degrade server performance for sites with limited bandwidth. The recommended policy is to implement threshold-based blocking—such as returning a 429 status after exceeding 20 requests per second per IP—to maintain site reliability while allowing legitimate AI training data collection under acceptable load conditions.

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the bots listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.