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#claude-api

3 articles with this tag

GuideFebruary 21, 2026·14 min read

Practical Claude API Prompt Engineering: Lessons from 500+ Automated Article Analyses

Hard-won prompting patterns from building a production pipeline that analyzes 25+ articles daily with Claude. Scoring calibration, structured JSON output, dual-model economics, and the single phrase that fixed everything.

GuideFebruary 21, 2026·4 min read

Prerequisites Reference: API Keys, Tools, and Infrastructure for nxsi.io Projects

Central reference for every API key, tool, and infrastructure component used across nxsi.io tutorials and build logs. Direct links to official setup pages.

Build LogFebruary 21, 2026·14 min read

I Built an AI News Digest with n8n and Claude API — Here's Everything That Went Wrong (and How I Fixed It)

A chronological build log of creating a 27-node n8n workflow that fetches 10 RSS feeds, deduplicates with Levenshtein matching, extracts full text via Jina Reader, analyzes with Claude Haiku, compiles with Claude Sonnet, and delivers to Slack — for $0.10/day.