Field notes.

Resend vs Cloudflare Email Workers: Email API and Edge Routing Compared

Resend offers transactional email with 9+ SDKs, while Cloudflare Email Workers provides free inbound routing at the edge. Here's how to pick the right one

PromptMetrics v1.0.2: The Production-Ready Prompt Registry

Move your LLM apps from prototype to production with PromptMetrics v1.0.2. Explore our secure, self-hosted prompt registry with a new Web UI and Python SDK.

Why We Killed Our SaaS to Open-Source LLM Observability for the EU

Tired of paid LLM tools holding your data hostage? We accidentally built the self-hosted, GDPR-compliant LLM observatory Europe actually needs.

5 Problems With RAG Citations in Production That Will Get You Fined, Fired, or Both

Learn the 5 fatal flaws in production RAG citations, from unfixable hallucinations to EU AI Act violations, and the architectural decisions required to fix them.

5 Hidden Problems With AI Agents in Production

Gartner predicts 40% of AI agent projects will fail. Discover the 5 hidden problems killing AI agents in production and how engineering teams can fix them.

ReAct Loops vs Deterministic Orchestration for AI Agents

AI Pricing in 2026: Why Cost-Per-Outcome Beats Tokens

MIT found that 95% of enterprise AI pilots show no P&L impact. Here's the cost-per-outcome formula we use to catch that in week one, not quarter three.

Prompt Engineering is Dead: The 2026 LLM Orchestration Playbook

Prompt engineering is deprecated at scale. Discover the 2026 LLM orchestration and prompt governance playbook for EU CTOs to scale AI securely and compliantly.

LLM Production Engineering: The 2026 Playbook for CTOs

Stop treating AI like a science fair. Discover the 5 LLM production patterns EU startup CTOs are using to control costs, quality, and EU AI Act compliance.