AI Agent Engineering
MCP Server Security Checklist: Auth, Approvals, and Auditing
A production MCP security checklist for OAuth, least privilege, approvals, semantic validation, idempotency, sandboxes, redacted tracing, and recovery.
ZoyTown Engineering
Technical Articles
Bilingual, source-visible engineering notes built around useful explanations, reproducible details, and real project context.
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Latest articles
30 articles
Python
Python 3.15 Beta 4 Migration Guide for Application Teams
A practical Python 3.15 Beta 4 migration plan for prerelease CI, dependency wheels, UTF-8, lazy imports, abi3t, canaries, and rollback gates.
Backend Engineering
FastAPI SSE in Production: Reconnects, Nginx, and Heartbeats
Build recoverable FastAPI SSE streams with stable event IDs, Last-Event-ID, Nginx buffering controls, heartbeats, backpressure, authorization, and production tests.
AI Search Engineering
Multilingual SEO with Dynamic SSR: hreflang, Canonical, Sitemaps, and JSON-LD
How FastAPI serves crawlable bilingual content without prebuilt HTML using locale URLs, reciprocal hreflang, dynamic Sitemaps, visible sources, and JSON-LD.
AI Search Engineering
GEO and AEO in 2026: What Google, Bing, and OpenAI Actually Recommend
An evidence-led guide to GEO and AEO based on official Google, Bing, and OpenAI guidance, with crawler, content, markup, measurement, and release checklists.
AI Search Engineering
Building an Atomic Bilingual Publishing System with FastAPI, MongoDB, and Redis
A practical guide to atomic Chinese-English publishing with immutable snapshots, optimistic concurrency, retry-safe revisions, Redis invalidation, and ETags.