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Daily Brief — 2026-10-22

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@poteto

Pages in Grok Bot: quotes the announcement that Grok Bot can now build reports, memos, and dashboards as Pages that can be edited together or kept up to date. post (https://x.com/poteto/status/2112995138717016529) · 1,996❤ · 78 RT

Security engineers this week: image post captioned "every security engineer this week". post (https://x.com/poteto/status/2113044830196769164) · 1,317❤ · 71 RT

@rauchg

AI explainers for learning: quotes Dilum Sanjaya's step-by-step Arduino app made with Opus 5.5 and suggests using a coding agent to build, deploy, and share interactive explainers. post (https://x.com/rauchg/status/2112954875835527392) · 3,845❤ · 251 RT

Node.js RCE mitigation: Vercel rolled out firewall-level mitigations for the Node.js Brotli decoder RCE (Node 22, 24, 26) ahead of the official patch, with managed runtime upgrades in progress. post (https://x.com/rauchg/status/2113050053724221732) · 1,785❤ · 80 RT

Pi on Vercel: calls Pi one of the coolest AI projects for giving choice of model and control over runtime, data, skills, and plugins, and notes Vercel support for Pi-Durable. post (https://x.com/rauchg/status/2112934299288912085) · 1,111❤ · 50 RT

@hwchase17

smithtune: logged traces are training data; keep the good runs, fine-tune a small model, and eval on your task, citing Corridor's fine-tuned 9B Argos model topping 14 models on its security benchmark. post (https://x.com/hwchase17/status/2112983115215802417) · 93❤ · 10 RT

@simonw

Battle Drones fork: highlights Panache, a French Belle Époque fork of his Battle Drones RTS with new models, music, and an intro video, built with Claude Code. post (https://x.com/simonw/status/2112944161670488423) · 74❤ · 8 RT

@HamelHusain

Career progression: jokes that after Data Analyst, Data Scientist, and ML Engineer, the current role is "Data Analyst of Traces". post (https://x.com/HamelHusain/status/2113024734078345568) · 240❤ · 7 RT

Evals for AI Engineers launch: he and Shreya Shankar launch their book on Nov 12 at the Lean Product Meetup, in Mountain View or on Zoom. post (https://x.com/HamelHusain/status/2112959433961791623) · 234❤ · 14 RT

BenchmarkGate: says not to trust benchmarks blindly and to run evals on evals, quoting a post arguing SWE-bench Multimodal v2 is not multimodal. post (https://x.com/HamelHusain/status/2112937350070448508) · 125❤ · 6 RT

@swyx

Cognition team post: quotes Cognition's profile of the people building Devin with "this is my quant". post (https://x.com/swyx/status/2113098033705664650) · 1,650❤ · 76 RT

Private alt accounts: recommends private alt accounts for mutuals, noting account switching is easy on mobile and to assume everything is public. post (https://x.com/swyx/status/2112992347890106650) · 135❤ · 1 RT

Claude Mods deep dive: points to a Latent Space article on Claude Code's new Claude Mods, with favorites and what to try now. post (https://x.com/swyx/status/2113003628835553559) · 109❤ · 5 RT

@martinfowler

Fragments: new post on rejection of LLM-generated prose, the cancelled Grace Hopper celebration, and using AI to help debug unfamiliar code. post (https://x.com/martinfowler/status/2112860123798647035) · 19❤ · 0 RT

Silent

@cursor_ai, @karpathy: no original posts in window

Gaps

@xAI: account shows 0 posts and its bio says "Now at @SpaceXAI" (skipped)

GitHub trending

  1. cloudflare/security-audit-skill (https://github.com/cloudflare/security-audit-skill): coding-agent skill for multi-phase security audits with independently verified, machine-readable findings (JavaScript, +2,012★ today)

  2. vllm-project/vllm (https://github.com/vllm-project/vllm): high-throughput, memory-efficient inference and serving engine for LLMs (Python, +441★ today)

  3. stablyai/orca (https://github.com/stablyai/orca): workspace for running a fleet of coding agents with your own subscription, on desktop, mobile, and remote runtime (TypeScript, +1,541★ today)

  4. headroomlabs-ai/headroom (https://github.com/headroomlabs-ai/headroom): compresses tool outputs, logs, files, and RAG chunks before they reach the LLM, as a library, proxy, or MCP server (Python, +474★ today)

  5. DietrichGebert/ponytail (https://github.com/DietrichGebert/ponytail): makes an AI agent favor writing as little code as possible (JavaScript, +2,079★ today)