FROM THE TRENCHES Issue №288

Practical decisions for AI and software

Technical guides to choose models, verify software and plan delivery.

Latest articles

New comparisons, practical guides and engineering lessons.

PDF router splitting local text extraction from page-level OCR AI & Agents

pdf-inspector Review: Route PDFs Before OCR

Firecrawl's local Rust parser classifies text, scanned and mixed PDFs before OCR. See what the 0.470-second benchmark proves, what it does not, and how to pilot a hybrid pipeline.

Kevin Riedl
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A shield filters names, email addresses and account numbers into typed placeholders before an LLM receives the prompt AI & Agents

PII Redaction Before LLM Prompts: A Practical Pipeline

Compare Presidio, OpenAI Privacy Filter and managed DLP services. Then build a reversible prompt gateway that protects personal data without destroying task context.

Kevin Riedl
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Shield around a verified check mark representing governed internet access for AI agents AI & Agents

Agent Reach Review: Costs, Security and Real Limits

Agent Reach can cut API spend for AI-agent research. Review what works, hidden operating costs, security risks and production fit.

Kevin Riedl
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Ten smart contract audit providers compared for companies in Germany Web3 & Privacy

Top 10 Web3 and Smart Contract Auditors in Germany (2026)

An evidence-based shortlist of Germany-based, DACH, EU and global smart contract auditors, compared by technical fit, audit model and public proof.

Kevin Riedl
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Cloudflare Account Wallet and policy-limited Virtual Wallets for AI agents AI & Agents

Cloudflare Wallets for AI Agents: What Is Live?

Cloudflare Wallets combine a cloudflare.pay handle, a future Account Wallet and policy-limited Virtual Wallets for agents. Separate what is live from the roadmap, then assess x402, spend controls, identity and production risks.

Kevin Riedl
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Local multimodal AI coding assistant with voice, OCR, reasoning and privacy controls AI & Agents

Local Multimodal AI Coding Assistant: Voice, OCR and Privacy

A reference architecture for private voice, screen and code workflows, with verified data boundaries, security controls and a 30-day buying plan.

Kevin Riedl
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Stripe invoice PDF next to a structured EN 16931 dataset, with the validation, archive and correction systems a billing stack still needs Business & Regulation

Stripe Billing and E-Invoicing 2027

Stripe produces PDFs, not structured e-invoices. What a B2B SaaS has to build before Germany's 2027 mandate, and what it can safely buy.

Kevin Riedl
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A browser window connected to semantic detection, guarded actions and persistent workflow state Delivery & QA

Tampermonkey Workflow Automation

When a userscript is a sound automation layer, how to keep it resilient, and when the workflow belongs in a backend integration instead.

Kevin Riedl
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One shared cross-platform codebase branching into AI-maintained native applications Delivery & QA

Will AI Kill Cross-Platform Frameworks?

If AI makes native code cheap, does one shared Electron, Flutter or React Native codebase still win? A cautious look at the economics.

Kevin Riedl
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