Show HN: Limitless – AI OSINT search and interactive intelligence sandboxes
ArenaBuild offers a platform for hosting Capture The Flag (CTF) competitions entirely online. Users can launch a CTF event in minutes and host up to 1,000 participants for a week. The platform also provides various training courses in open source intelligence (OSINT).
- ▪ArenaBuild allows users to host CTF competitions in their browser.
- ▪Participants can compete for up to 7 days with real-time scoring and leaderboards.
- ▪The platform offers advanced analytics and customizable branding options for larger events.
Hacker News (AI / LLM) files mainly under ai. We currently carry 3,279 of its stories.
Story provenance
Source · retrieval · rights · ranking — open for full record
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Story provenance
Attribution is not the same as permission. This drawer separates discovery metadata, excerpts, WeSearch-generated summaries, reuse status, and whether the publisher receives the visit. Nothing here claims a legal grant the publisher has not made.
Record
| Original publisher | Limitless OSINT |
| Canonical URL | https://limitless-osint.com/ |
| Publication time | Tue, 19 May 2026 21:00:38 +0000 |
| Retrieval time | 2026-05-19T21:14:58.177Z |
| Last seen | 2026-05-19T21:14:58.177Z |
| Headline source | Publisher (no WeSearch rewrite) |
| Excerpt source | publisher body |
| Excerpt method | First ~120 words (~800 chars) of extracted publisher body, fair-use limited. |
| Summary | WeSearch · cerebras-chat (WeSearch summarizer) |
| Summary source text | contentText |
| Citation coverage | Summary is a WeSearch-generated derivative; primary citation is the original publisher URL. |
| Cluster | _CrarNeEtXOn |
| Cluster logic | Grouped by semantic title/content similarity across sources within a rolling window. Same-publisher template collisions are excluded from coverage comparison. |
| Ranking reason | Story pages are not engagement-ranked. Hub feeds use recency, with optional source-diversified chronological ordering (cap consecutive stories per source). No personalized ranking. |
| Publisher visit | Yes — open original |
| Substitutes article? | No — link-out required for full text |
Rights status (four layers)
WeSearch handling by dimension
| Indexing | May the item be indexed (stored, ranked, made findable)? | Allowed |
| Snippet | May a short excerpt of the publisher's text be shown? | Allowed |
| AI summary | May WeSearch generate its own short summary of the article? | Limited |
| Retrieval / RAG | May the content be exposed for third-party retrieval-augmented generation? | Not asserted |
| Model training | May the content be used to train AI models? | Not asserted |
| Commercial reuse | May the content be reused commercially? | Not permitted |
Basis: Derived from the published RSS/Atom feed. Contact: [email protected]. Reviewed: 2026-07-24.
Opening excerpt (first ~120 words) tap to expand
The ArenaBuild, host, and run Capture The Flag (CTF) competitions entirely in your browser.SprintLaunch a CTF in minutes. Compete for up to 7 days.$29Up to 7 days of active hostingUp to 1,000 participantsBrowser-based challenge builderReal-time scoring & leaderboardOSINT challenge templatesPost-event analytics reportSign Up to Get SprintMost PopularCampaignRun a full-scale operation. 30 days of live hosting.$79Up to 30 days of active hostingUp to 5,000 participantsEverything in SprintCustom branding & event pageAdvanced analytics & exportsPriority support channelSign Up to Get CampaignAll-Source Intelligence TrainingStandalone courses across the full spectrum of intelligence tradecraftFreeIntro to OSINTLearn and practice the tradecraft of open source intelligenceAccess Free CourseMost…
Excerpt limited to ~120 words for fair-use compliance. The full article is at Limitless OSINT.
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