Engineering essays.
Deep-dives on AI code review, multi-agent architecture, and the craft of shipping reliable software at speed.
June 21, 2026EngineeringThe History of Code Review: Manual → Automated → AI
Three eras of code review — manual, automated, AI — and what each one got right that the next era kept. Useful context for picking a 2026 tool.
8 min read· Mesrai Team
June 20, 2026TutorialsMesrai Rules for Legacy Codebases: Starting Small
Roll Mesrai out on a legacy codebase without drowning your team — start small, gate by file age, scope by directory. Practical rollout guide.
7 min read· Mesrai Team
June 20, 2026TutorialsMesrai Rules for Test Coverage Enforcement
Use Mesrai rules to enforce test coverage on every PR — without per-line minimums that drive coverage theater.
7 min read· Mesrai Team
June 19, 2026TutorialsMesrai Rules for Security-Sensitive Code (Auth, Crypto, Tokens)
Mesrai rules for security-sensitive code — auth, crypto, token handling. The rule pack we recommend enabling on day one.
9 min read· Mesrai Team
June 19, 2026Pricing & EconomicsSelf-Hosting LLMs for Code Review: Economics + Ops
Self-hosting LLMs for code review — when economics flip, what ops you take on, and the realistic GPU and team requirements.
8 min read· Mesrai Team
June 19, 2026TutorialsPer-Repo vs Per-Org Mesrai Rules: When to Use Which
Per-repo vs per-org Mesrai rules — when team-level overrides earn their keep and when org-level uniformity is the right call.
8 min read· Mesrai Team
June 18, 2026Technical Deep DiveHow Mesrai's Reaction-Based Learning Tunes Reviews Over Time
How Mesrai uses team reactions on review comments to tune severity and reduce noise over time. The mechanism, the math, and the privacy story.
8 min read· Mesrai Team
June 18, 2026Pricing & EconomicsOpen-Source LLMs for Code Review: Are They Ready in 2026?
Open-source LLMs for code review in 2026 — Llama, DeepSeek, Mistral. Honest take on quality, ops cost, and where they actually compete.
8 min read· Mesrai Team
June 18, 2026TutorialsWriting Your First Mesrai Rule: A Worked Example
Write your first Mesrai rule — worked example from idea to deployment. Plain-language rule, scope, testing, deploy. Fifteen minutes total.
7 min read· Mesrai Team
June 17, 2026TutorialsTop 25 Most-Used Mesrai Rules from the Marketplace
The 25 most-used Mesrai marketplace rules — security, architecture, performance, style. What each one catches and why teams pick it.
9 min read· Mesrai Team
June 17, 2026ComparisonsAI Code Review Tools for Enterprise (500+ Engineers)
AI code review tools for enterprise at 500+ engineers — what passes procurement, what scales, and where Mesrai's enterprise plan sits.
9 min read· Mesrai Team
June 17, 2026Pricing & EconomicsThe Real Cost of LLM Tokens in Code Review (With Calculator)
The real cost of LLM tokens in code review with a 2026 calculator — input vs output, multi-agent overhead, and the cost per PR you actually pay.
8 min read· Mesrai Team