Coding agents & LLM mechanics

1. RT @trq212: We're adding support for AGENTS.md to Claude Code. Starting today in version 2.1.277, if there is no CLAUDE.md in a folder, Cla…
   x · 0.95

   AGENTS.md support in Claude Code 2.1.277

   Open ↗

2. cloudflare/security-audit-skill: A coding-agent skill for multi-phase security audits with independently verified, machine-readable findings
   github · 0.95

   Cloudflare coding-agent skill for security audits, mission-critical

   Open ↗

3. Some stats creating this with Opus 5.5 set on Ultracode: Most of the time there were between 30-45 agents running at the same time. Total c…
   x · 0.95

   Opus multi-agent orchestration costs; production agentic scale

   Open ↗

4. (AINews) Claude Opus 5.5, the new default model for AINews — and everybody cuts prices 40-50%
   rss · 0.90

   Claude Opus 5.5 release, pricing changes

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5. v2.1.280
   rss · 0.90

   Opus 5.5 release, $4/$20 pricing, cache reads at $0.20 — direct token optimization data.

   Open ↗

Vibe-coding & agent infra

1. Drawgent: Coding agent on a live Excalidraw canvas
   hackernews · 0.90

   Excalidraw coding agent; rising trending agent repo demo

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2. Swipe: Agents that work while you sleep
   swipe · 0.85

   Agent persistence / background execution; core agentic pattern

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3. oraios/serena
   x · 0.80

   Curated open-source tooling for Claude Code, local-first ecosystem.

   Open ↗

Agentic SaaS

1. tech-leads-club/agent-skills: The secure, validated skill registry for professional AI coding agents. Extend Antigravity, Claude Code, Curs…
   github_search · 0.85

   Agent-skills registry for Claude Code, Cursor, skill extensibility infrastructure.

   Open ↗

2. anthropics/knowledge-work-plugins: Open source repository of plugins primarily intended for knowledge workers to use in Claude Cowork
   github · 0.80

   Anthropic Claude plugins for tool-pairing

   Open ↗

3. Launch HN: Skillsync (YC W26) – AI chat sessions made portable across agents
   yc-launch · 0.80

   Skillsync YC: portable agent session system

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4. dream-num/univer: The Office Harness for AI Agents — Spreadsheets, Docs, Slides, Canvas, Relational Tables, and PDF in one runtime.
   github · 0.80

   Office harness for AI agents, multimodal support

   Open ↗

The week in numbers