20 articles on Developer Tools — programs, tooling, and delivery on Petralian.
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Showing 20 articles on Developer Tools
Best forBuilders measuring whether their Cursor harness actually improves output
Do not build Phase 2 orchestration until Phase 0 data says so. Layer 4 feedback — CSV, footer Agents line, eval gate — plus weekly OpenRouter checks beat benchmark leaderboard anxiety.
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Best forSolo builders and small teams who want harness discipline without microservice overhead
Terminal-Bench harnesses look like separate products. On a production Shopify app I already had subagents, CI gates, and session rules. You keep model and mode control — the harness supports routing, tests, and memory gates, not autopilot.
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Best forBuilders comparing model cost versus quality with reproducible benchmarks
Anthropic's Fable 5 leads CursorBench 3.1 at 72.9%, but at $18 per task and 76 steps. I read the table for score per dollar, tokens, and steps, and where open models land.
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Best forPower users optimizing token spend and context windows in Cursor
I ran Headroom, built a 300-line proxy, wired a Cloudflare tunnel, and added RTK. On my Cursor + OpenRouter workload the dollars did not move. Here is what is worth doing instead.
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Best forDevelopers comparing Copilot and Cursor in a real daily workflow
Copilot had the same footer spec but dropped it on long chats. Cursor keeps it with alwaysApply rules, optional hooks, and a v3.1 mode-based Response Footer Contract.
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Best forShopify merchants and developers splitting customer account extensions by real jobs
A thousand-line profile block in one extension fights merchant menu IA. Split full-page extensions by job and align with how customers navigate account tasks.
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Best forBuilders feeding UI context to agents who want to understand prompt-injection risk
Design capture CLIs that dump outerHTML into SKILL.md files can smuggle instructions. Sanitize at the trust boundary before agents read the DOM.
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Best forDevelopers standardizing on a single coding model and tighter agent bootstrap
I run Cursor on Composer 2.5 only—not to save money alone, but to get predictable rule compliance. A tighter session bootstrap beat chasing frontier models for my workflow.
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Best forBuilders implementing the three-layer external memory model for AI-first dev
Chat context is not memory. A three-layer file system—session, operational, evergreen—plus hooks and git automation is how I keep production codebases coherent across hundreds of agent sessions.
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Best forDevelopers chasing Core Web Vitals and Lighthouse scores on a Next.js site
A complete walkthrough of every Lighthouse bottleneck on a Next.js 16 Vercel site — TBT from 3,020ms to 20ms, LCP from 3.0s to 1.7s — including the config options that don't exist in Next.js 16 and will silently break your build.
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Best forDevelopers comparing real monthly cost across Copilot, OpenRouter, and similar stacks
GitHub Copilot's new token-based pricing changes everything. Here's what it actually costs compared to OpenRouter and third-party relays when you code extensively.
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Best forSolo publishers automating a weekly digest without paid RSS tooling
I wanted a clean weekly digest for petralian.com without paying for RSS automations. This is the exact architecture we implemented, the issues we hit, and the code patterns that made it reliable.
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Best forBuilders publishing from Obsidian with GitHub Actions and minimal friction
A practical way to move from writing in Obsidian to publishing on a live site without copy-paste, manual uploads, or brittle one-off scripts.
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Best forBuilders curious how this site is wired — Obsidian, sync, and Next.js in practice
The why was clean. The how had corners. A ground-level account of building petralian.com — the masonry layout that fought back, a 404 page with a working Asteroids game, the TinaCMS newline problem nobody warns you about, and how AI wrote most of it.
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Best forFront-end developers fixing masonry layout and screen-reader reading order
CSS column-count creates a masonry layout in one line. It also silently breaks left-to-right reading order. Here is what is actually happening in the DOM, and a reliable fix that holds up under variable card heights.
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Best forDevelopers weighing a Next.js rebuild for content, SEO, and shipping speed
WordPress was slowing down the actual writing. Here's why I rebuilt petralian.com on Next.js, how Obsidian now sits at the center of my publishing workflow, and why I decided to open source the whole thing.
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Best forBuilders who want the architecture behind an AI quality scoring engine
A practical breakdown of how Gravio turns repository signals into six-dimension scores, hard quality gates, and actionable remediation plans.
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Best forBuilders wiring AI quality checks into CI and release pipelines
Unit tests catch code failures. They do not always catch AI quality regressions. Here is how to add quality thresholds as a first-class release gate.
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Best forBuilders trying Gravio scoring on a real repo in one sitting
A practical, no-fluff walkthrough for getting Gravio running from a clean folder to your first quality score, including the exact command flow and common mistakes.
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Best forBuilders exploring privacy-preserving AI quality scoring with Gravio
Most AI quality platforms ask you to trust them with your source code. Gravio takes a different path: encrypted scoring designed to keep plaintext out of the server path.
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