Firehose turns the web into a real-time event stream. Define a Lucene query, get SSE updates the instant a matching page changes. Here are real examples.
Track brand mentions across news sites, blogs, forums, and government filings the moment they appear.
added:"Tesla" OR title:"Tesla Motors"+ Tesla revealed a fleet of 50 autonomous robotaxis at its Austin gigafactory
+ Just completed a coast-to-coast drive on FSD v13 with zero interventions
+ Total revenue reached $112.3B for fiscal year 2025
Monitor competitor moves — acquisitions, product launches, and strategic announcements — before anyone else.
domain:"techcrunch.com" AND added:acquisition+ Stripe announced the acquisition of Bridge, a stablecoin infrastructure startup
+ Google completed its largest acquisition ever, purchasing Wiz for $32B
Build real-time news feeds for trading algorithms. React to earnings reports, market-moving events, and company announcements as they publish.
title:tesla AND page_category:"/News" AND language:"en"+ Tesla delivered 495,570 vehicles in Q4, exceeding analyst expectations of 473,000
+ Energy generation and storage revenue reached $3.2B, up 100% from prior year
+ Full Self-Driving technology approved for limited deployment in Germany and France
Get instant alerts on data breaches, vulnerability disclosures, and security advisories affecting your supply chain.
added:"data breach" AND page_category:"/News" AND recent:24h+ Patient records including SSNs and medical histories were exposed
+ Federal agencies ordered to patch CVE-2026-1847 within 48 hours
Monitor competitor pricing pages, track deal announcements, and detect product catalog changes in real-time.
domain:"amazon.com" AND title:"deal" AND page_type:"/Article"+ Apple AirPods Pro dropped to $149.99 (was $249.99) — 40% off
+ Samsung S95D OLED marked down to $1,499.99 from $2,599.99
Stream new papers and preprints matching your research interests from arxiv, bioRxiv, and academic journals.
domain:"arxiv.org" AND added:"large language model"+ We show that sparse MoE models achieve GPT-4 quality at 1/10th compute
+ Our state-space model handles 1M token contexts with linear scaling
+ Claude and GPT-5 achieve >90% pass rate on HumanEval-X multilingual
Track SEC filings, court records, and regulatory updates. Know about policy changes before they hit mainstream news.
domain:"sec.gov" AND title:"10-K"+ Risk factors: regulatory uncertainty in autonomous vehicle deployment
+ Services revenue grew to $102.4B, now representing 28% of total revenue
Build a custom real-time news feed. Curate stories by topic, language, and recency for newsletters, podcasts, or apps.
page_category:"/News" AND added:"artificial intelligence" AND language:"en" AND recent:7d+ Executive order mandates AI safety testing for healthcare and transportation
+ Series C funding led by Andreessen Horowitz at $4B valuation
Monitor releases and changelogs from dependencies you rely on. Know about breaking changes before your CI pipeline does.
domain:"github.com" AND title:"release" AND added:"breaking change"+ BREAKING CHANGE: useEffect cleanup timing has changed in concurrent mode
+ BREAKING CHANGE: CommonJS require() now emits deprecation warning
Track hiring patterns at target companies. Infer strategy from new roles — who is hiring ML engineers hints at AI investment.
domain:"greenhouse.io" AND added:"machine learning engineer"+ Building next-generation reasoning capabilities for large language models
+ Research and implement novel alignment techniques for Claude models