Anthropic accidentally leaked the entire source code of Claude Code, due to a human error in one of their processes. Revealing the tool’s full architecture, internal prompts, agent workflows, tool usage, permission systems, and unreleased/hidden features. Boris, the lead for Claude Code, confirmed that this was a developer error, not any bug in Bun or a hack.
Re unreleased/hidden features (because I know you wanna know); “Proactive” mode (AI works autonomously without prompts), frustration/anger detection via keyword patterns is marked ‘negative’ in their analytics, a Tamagotchi-like “/buddy” companion, background daemons (like OpenClaw uses), undercover commit-hiding mode, and more feature flags/roadmap items.
The community ran rampant cloning the codebase on GitHub (which Anthropic since sent DMCA notices to get them taken down). But some developers ported the code to other languages (Python and then Rust) - which has copyright greyness and if Anthropic push to get them removed, may bring up questions on their own copyright issues.
Since it was April Fools yesterday, many launches are indistinguishable from real ones - I think it’s getting harder to spot in the AI age too.
But some folks use it as an opportunity to launch things, like Gumroad replacing their CEO with an AI Agent. Sahil (the founder) is a friend and previously invested in my last company. He’s super smart and I don’t think this is a prank at all. He’s the kind of person to try wacky, out-there things to see if they stick.
Some companies actually do April Fools well, like ElevenLabs. Last year, they made dogs talk, and this year, they are partnering with the 3000-year-old ElvenLabs.
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Claude Code now renders a full UI in your terminal to solve the flickering. It shows “N new messages” when you scroll up, gives you full mouse support, and constant memory use. It’s experimental for now; upgrade to the latest version and run using “CLAUDE_CODE_NO_FLICKER=1 claude”.
OpenAI closed its $122B raise at a $852B post-money valuation. It’s making about $2B a month in revenue, 40% of which comes from the enterprise. The blog post outlines a lot of their plans that were previously just rumours/leaks from various newsrooms.
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