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<div style="display: none; max-height: 0px; overflow: hidden;">Anthropic tasked a team of 16 parallel Claude Opus 4.6 agents to autonomously build a Rust-based C compiler capable of compiling the Linux kernel </div>
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<h1><strong> TLDR Dev <span id="date">2026-02-06</span></strong></h1>
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<div style="text-align: center;"><span style="font-size: 36px;">🧑💻</span></div>
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<strong>Building a C compiler with a team of parallel Claudes (14 minute read)</strong>
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<span style="font-family: "Helvetica Neue", Helvetica, Arial, Verdana, sans-serif;">
Anthropic tasked a team of 16 parallel Claude Opus 4.6 agents to autonomously build a Rust-based C compiler capable of compiling the Linux kernel. Over two weeks and $20,000 in API costs, the agent team produced a 100,000-line compiler that can build Linux 6.9 on x86, ARM, and RISC-V.
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<strong>A Broken Heart (6 minute read)</strong>
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A web app dashboard mysteriously became ten times slower. When initial fixes failed, deeper investigation using Safari's performance inspector found that "Layout" was consuming 94% of the CPU time, only on Safari. A binary search process aided by Claude pinpointed the cause: a single heart emoji rendered via the "Noto Color Emoji" Google font, which suffered from extremely slow SVG rendering fallback on Apple platforms.
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<strong>GitHub Actions Is Slowly Killing Your Engineering Team (21 minute read)</strong>
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GitHub Actions is a flawed Continuous Integration system, favored only for its convenience within GitHub. It has an unreliable and frustrating log viewer, an overly complex YAML syntax, inherent security risks with its Marketplace actions, and slow, uncustomizable cloud runners.
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<strong>My AI Adoption Journey (12 minute read)</strong>
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Agents are great for coding, end-of-day research, and for outsourcing "slam dunk" tasks. Also, "harness engineering" helps improve agent reliability.
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<strong>Claude Opus 4.6 (12 minute read)</strong>
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Anthropic has launched Claude Opus 4.6, an upgraded model better at coding, debugging, and reasoning skills, while having a 1M token context window in beta. This model has state-of-the-art performance on various benchmarks, including agentic coding and complex reasoning tests.
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OpenAI has launched GPT-5.3-Codex with much improved coding performance with professional knowledge capabilities while operating 25% faster. This model is great at long-running tasks like research and complex execution, and it sets new industry benchmarks across coding, web development, and general computer use.
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Claude Code's experimental Agent Teams feature allows multiple AI instances to collaborate on complex tasks, with a lead agent coordinating work and synthesizing results. Unlike subagents, agent teams collaborate and discuss among each other, making them great for tasks requiring shared problem-solving.
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<div style="text-align: center;"><strong><h1>Miscellaneous</h1></strong></div>
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Kanjideck was started as an Anki side project in August 2024 to create a better resource for learning Japanese Kanji, which soon expanded into developing a physical card deck and launching a business. This involved navigating manufacturing challenges, setting up a US company via Stripe Atlas due to Kickstarter country restrictions, and planning pricing and digital infrastructure.
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"Company as Code" is a programmatic representation of the entire organization, similar to Infrastructure as Code. This system would use a declarative language to define roles, units, policies, and their relationships, creating a dynamic, queryable, and version-controlled graph model. This makes it easier to have testable policy changes and make the “company” controllable through AI agents.
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<h1><strong>Quick Links</strong></h1>
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<strong>Move Over Gas Town, Claude Has First-Party Agent Orchestration (3 minute read)</strong>
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Anthropic's new Agent Teams is an improvement on multi-agent orchestration over previous attempts like Gas Town.
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