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22:29
2026-07-21
dev.to
developer-tools

Pre-Skill Prompt: Responsive Design Audit with MCP Playwright

Hudson Atwell, a GBTI Network member, published a prompt for a responsive design audit using MCP Playwright. The prompt provides a detailed viewport test matrix and strategies for desktop compression …

21:52
2026-07-21
dev.to
artificial-intelligence

LongCat-Video-Avatar 1.5 cuts inference to 8 steps — here's

Meituan's LongCat team released version 1.5 of its open-source talking-avatar generator LongCat-Video-Avatar, which replaces the Wav2Vec2 audio encoder with Whisper-Large-v3 and uses DMD2-based step d…

21:24
2026-07-21
dev.to
artificial-intelligence

TraceTree: Feature Update!!!

A developer built TraceTree, a tool that scans files for malicious behavior using radare2 disassembly, YARA rule matching, and an ML pipeline. During OpenAI Build Week, Codex with GPT-5.6 helped trace…

20:48
2026-07-21
dev.to
developer-tools

Catch token-cost regressions in CI before they ship

Wartzar-bee released a GitHub Action called ci-guardrail that catches token-cost regressions in CI before they ship. The action performs static analysis of agent code to estimate structural token cost…

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