🤖 Overview

The kmbot crawler is operated by Karma AI (karma.ai), a company specializing in large-scale language model training and enterprise AI analytics. First documented in a blog post on their official website in 2023, the bot’s primary purpose is to collect publicly available web content for training Karma’s proprietary generative AI models and for enhancing search-based AI products. According to the company’s transparency report, kmbot is one of several agents used to index diverse web pages, including news, technical documentation, and forum discussions, to improve model performance on factual and instructional tasks.

🌐 Technical Behavior

kmbot initiates crawls using a configurable rate that typically ranges between 1 and 5 requests per second per IP, with bursts handled via exponential backoff. The bot’s IP ranges are published in a allowlist on Karma AI’s documentation page and are sourced from Amazon Web Services (AWS) and Google Cloud data centers, covering IPv4 blocks such as 3.0.0.0/8 and 34.0.0.0/8. Crawl behavior follows a breadth-first strategy with a maximum crawl depth of 6 links per page, and the bot preferentially targets HTML and plain text resources, ignoring binary files like images, videos, and PDFs unless they are linked from robots.txt. The crawler uses HTTP/1.1 and HTTP/2 and includes a From header with a contact email ([email protected]) for site owner inquiries. According to the official technical whitepaper (available at docs.karma.ai/crawler), kmbot respects Content-Length headers and does not follow redirects to non-HTTP schemes.

📋 robots.txt Compliance

Karma AI’s official robots.txt policy page states that kmbot recognizes and honors all Disallow directives, including path-specific exclusions and wildcard patterns. The bot also supports the Crawl-Delay directive, adjusting its request interval accordingly. The company explicitly states that any violation of robots.txt should be reported via their abuse contact ([email protected]) and that the crawler undergoes periodic audits to ensure compliance. This policy has been consistent since the bot’s launch in early 2023.

🔍 Detection Indicators

The primary User-Agent string is Mozilla/5.0 (compatible; KMBot/1.0; +https://karma.ai/bot). Secondary strings may include KarmaAI-crawler/1.0 or KMBot/2.0 (like Gecko) for internal testing. The bot also sets a custom HTTP header X-Crawler: KMBot and includes a Referer header pointing to the crawl start URL. Behavioral fingerprints include a low but consistent request rate and the absence of browser JavaScript execution or cookie storage. Site owners can verify the bot by checking reverse DNS entries which resolve to hostnames like crawl-*.karma.ai.

📊 Data Usage

Data collected by kmbot is primarily used for training Karma AI’s large language models, which are deployed in enterprise summarization, question-answering, and code generation products. Additionally, the crawled content contributes to Karma’s Knowledge Graph (documented at karma.ai/knowledge-graph), enabling structured fact extraction and semantic search. The company states that personally identifiable information (PII) is automatically redacted before model training, and raw crawl logs are retained for up to 90 days per their privacy policy.

⚙️ Rate Limiting Policy

Because kmbot can generate moderate traffic volumes, site owners are advised to rate-limit it using standard thresholds—for example, blocking if requests exceed 10 per second from a single IP—while still honoring the bot’s legitimate purpose. The rationale is to protect server resources without denying access to the beneficial AI training data that powers publicly available intelligence tools.

ⓘ 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.