Announcing Our Astro Migration & Rebrand
Why we are porting our enterprise retrieval infrastructure site to Astro and preparing our connector developer ecosystem.
Logbook
DEEP⌟ Engineering Blog
Updates, technical notes, and connector standards from the retrieval team.
Beyond Google Search: 4 Developer APIs for LLM Web Grounding
Why wrapping standard keyword search APIs is insufficient for RAG pipelines, and how Tavily, Exa, and Firecrawl handle text grounding differently.
Accessing SEC EDGAR: Querying Corporate Financial Filings
A guide to programmatically retrieving corporate filings, quarterly reports, and metadata from the SEC API.
Why Web Snippets Fail: The Case for Normalized Metadata
AI agents in regulated industries cannot make decisions based on raw text chunks. Here is how structured metadata enables deterministic reasoning.
Crawl4AI: Local, High-Performance Scraping for LLMs
An open-source Python library designed to crawl JavaScript-rendered websites and output clean Markdown for RAG applications.
Open Source vs. Hosted: 4 Tools for Scraping RAG Training Data
Should you self-host your headless browser cluster or pay for a cloud extraction API? We compare Crawl4AI, Firecrawl, Jina Reader, and Scrapy.
Querying PubMed: Accessing Authoritative Medical Literature
How to integrate NCBI's E-utilities API to retrieve structured medical research, journals, and metadata.
Eliminating the Connector Tax: A Unified Interface for Federated APIs
AI teams waste hours writing and maintaining custom scrapers and API integrations. Here is how to build a unified connector architecture.
Querying EUR-Lex: Fetching Official European Union Laws
How to use the EUR-Lex web services API to search and retrieve structured European Union legislation and legal metadata.
High-Stakes Grounding: 4 Data Sources That General Web Crawlers Miss
Why compliance, financial, and medical AI agents cannot rely on surface web crawlers, and how to query authoritative deep web registries directly.
OpenAlex: A Massive Open Index of Global Scientific Research
How to use the OpenAlex API to retrieve linked, structured metadata for 250 million scholarly publications.
Resilient Federated Search: Circuit Breakers and Timeout Fallbacks
Federated search across multiple external APIs is highly sensitive to latency spikes. Here is how to build resilient parallel search queries.
Firecrawl: API-First Scraping at Scale
A comprehensive developer platform designed to turn entire websites into structured JSON or clean Markdown in a single API call.