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Daily Brief — 2026-10-23

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@poteto

Statechart companion skill: working on a companion skill that lets agents draw statecharts/diagrams and check them against specs made with /create-formal-verification-skill in pstack, now using Pele from @kepano; release coming soon. post (https://x.com/poteto/status/2113398433977659654) · 3,912❤ · 155 RT

Grok Bot phone apps: quotes the announcement that Grok Bot can now use Calendar, Reminders, Contacts, and other phone apps, rolling out on iOS and Android. post (https://x.com/poteto/status/2113411672815944075) · 1,805❤ · 57 RT

Grok Bot 0.75.2: quotes the release (Pages, new desktop chat cards, video generation from a description or image) and asks for feedback and bug reports. post (https://x.com/poteto/status/2113426421075050909) · 1,437❤ · 32 RT

@rauchg

Vercel backend pieces: lists WebSockets, Queues, Workflows, Cron, Services, Containers, Python, Daemons, Long-duration Functions, Blob, Drives, and Sandbox as now in place for at-scale backends. post (https://x.com/rauchg/status/2113251591822471644) · 1,506❤ · 40 RT

Retire static credentials: quotes Vercel's call to replace long-lived static credentials (survey of 1,000+ SaaS vendors found 8.4% support secure auth) and proposes an industry push for OIDC. post (https://x.com/rauchg/status/2113399539227136084) · 1,393❤ · 55 RT

Weak encryption key: says a key used by stewards of internet encryption was just "4", could target and decrypt nearly everything, and residual risk is still being cleaned up. post (https://x.com/rauchg/status/2113462657059639505) · 924❤ · 23 RT

@swyx

Opus 5.5 estimates: calls Opus 5.5 the best work-estimation model he has used, estimating agent time (hours) instead of human time (days). post (https://x.com/swyx/status/2113283272130412684) · 293❤ · 8 RT

AI-found bugs: argues teams should not blame AI for finding bugs and should focus on clearing them quickly. post (https://x.com/swyx/status/2113359027682050352) · 272❤ · 18 RT

@hwchase17

Naming poll: asks whether "agent server" is a good name, versus agent OS, agent, or agent kernel. post (https://x.com/hwchase17/status/2113339406299853076) · 105❤ · 2 RT

Podium growth: quotes Podium crossing $150M in AI annual recurring revenue. post (https://x.com/hwchase17/status/2113282887881785446) · 36❤ · 1 RT

@simonw

Music video cameo: spotted a familiar creature at 00:45 in the new FREEDOM music video by De Staad. post (https://x.com/simonw/status/2113356466770121166) · 260❤ · 1 RT

Silent

@martinfowler, @cursor_ai, @karpathy, @HamelHusain: no original posts in window

Gaps

@xAI: account shows 0 posts, bio "Now at @SpaceXAI" (skipped)

GitHub trending

  1. php/php-src (https://github.com/php/php-src): the PHP interpreter (C, +287★ today)

  2. anthropics/knowledge-work-plugins (https://github.com/anthropics/knowledge-work-plugins): open-source plugins for knowledge workers, primarily for Claude Cowork (Python, +303★ today)

  3. DietrichGebert/ponytail (https://github.com/DietrichGebert/ponytail): makes an AI agent favor writing less code, like the laziest senior dev in the room (JavaScript, +1,948★ today)

  4. 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, +2,979★ today)

  5. Graphify-Labs/graphify (https://github.com/Graphify-Labs/graphify): turns a codebase with its docs, SQL schemas, configs, and PDFs into a queryable knowledge graph; a /graphify skill for Claude Code, Cursor, Codex, and Gemini CLI (Python, +1,408★ today)