Boris Cherny · builders · anthropic ☆ FOLLOW 43 topic(s) over 16 day(s) — agents, architecture, inference. on X ↗
CARD NO. 2026-10-05 Anthropic introduces Claude Sonnet 5.5 with higher speed and lower cost architecture · 14 voicesClaude Code supports UI and behavior customization through mods and plugins agents · 6 voices
CARD NO. 2026-10-04 Claude Code introduces support for UI and behavior customization via plugins agents · 17 voicesAnthropic releases Claude Sonnet 5.5 with faster speed and lower cost architecture · 12 voices
CARD NO. 2026-10-03 Claude Sonnet 5.5 releases with 30% faster speed and isolated context thinking inference · 23 voicesClaude Code adds support for custom mods and UI modifications agents · 14 voices
CARD NO. 2026-10-02 ChatGPT adds support for building and hosting Model Context Protocol servers system_design · 12 voices
CARD NO. 2026-10-01 Anthropic releases Claude Sonnet 5.5 with improved speed and efficiency architecture · 14 voicesExpansion of Model Context Protocol integration across ChatGPT and Claude architecture · 9 voicesClaude Opus 5.5 improves accuracy and reduces hallucination rates evaluation · 7 voices
CARD NO. 2026-09-30 Anthropic releases Claude Sonnet 5.5 with 30% faster speed architecture · 14 voicesClaude opens plugin submission portal and introduces Holo4 agent model agents · 9 voicesAnthropic optimizes claude.ai performance and brings Sonnet 5.5 to the free tier system_design · 5 voices
CARD NO. 2026-09-29 Claude Opus 5.5 introduced with 40% lower operating costs architecture · 22 voicesClaude Sonnet 5.5 launches globally with superior performance architecture · 12 voicesClaude expands plugin ecosystem and Model Context Protocol adoption agents · 8 voicesPerformance optimization makes Claude applications three times faster system_design · 3 voices
CARD NO. 2026-09-28 Anthropic introduces Claude Opus 5.5 model architecture · 19 voicesAnthropic launches new portal to streamline plugin development and MCP integration for Claude agents · 6 voicesAnthropic optimizes Claude platform performance to triple response speeds inference · 3 voices
CARD NO. 2026-09-27 Anthropic launches Claude Opus 5.5 with 40% lower operational costs architecture · 22 voicesAnthropic launches plugin submission portal and expands MCP integration agents · 6 voicesAnthropic speeds up Claude.ai performance by 3x in two weeks inference · 3 voices
CARD NO. 2026-09-26 Anthropic releases Claude Opus 5.5 amid tense White House negotiations architecture · 12 voicesAnthropic releases the Claude Opus 5.5 language model architecture · 10 voicesResearch on Self-Evolving Ontologies Boosts Agent Performance agents · 6 voices
CARD NO. 2026-09-24 Claude Code adds AGENTS.md configuration support and cloud session capabilities agents · 11 voicesAnthropic releases Claude Opus 5.5 with 40% lower operating costs architecture · 10 voices
CARD NO. 2026-09-23 Exploring new capabilities of Claude Opus 5.5 agents · 17 voicesIntegration of Claude Opus 5.5 and Grok 4.7 into development tools agents · 11 voicesClaude Code adds AGENTS.md support and enhanced session management agents · 8 voicesAnthropic merges Claude Cowork and chat into a single experience agents · 3 voices
CARD NO. 2026-09-22 Claude integrates Salesforce and merges Claude Cowork with chat agents · 10 voicesClaude Code adds AGENTS.md support and parallel thread execution agents · 8 voices
CARD NO. 2026-09-21 Claude merges Cowork and chat features while Codex expands open-source grants agents · 15 voicesAnthropic has released a beta version of Salesforce integration into Claude, providing pre-built sales skills for managing accounts and opportunities. The company also reported that Claude now writes agents · 11 voicesClaude Code adds AGENTS.md support and NVIDIA introduces SoL-Pi agents · 10 voicesClaude Code rolls out parallel task execution from a single conversation agents · 7 voices
CARD NO. 2026-09-20 Claude Code adds AGENTS.md support and parallel project execution agents · 15 voicesAnthropic integrates Salesforce and merges Claude Cowork into the main chat platform agents · 13 voices
CARD NO. 2026-09-19 Anthropic integrates Salesforce into Claude and merges Claude Cowork with chat ai · 12 voicesClaude Code adds AGENTS.md support, parallel project execution, and Claude Mods ai · 11 voicesCommunity discusses new AI models including Fable and Anthropic's Opus ai · 10 voices