the system as whole uses symbols (eg in the tools); claude code builds those tools in that’s exactly what it means to be a neurosymbolic system, to use symbols tools in addition to neural networks.
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Dario sees open-source AI catching up; Anthropic’s Claude Code boom over
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Dario when he realizes Opensource AI is catching up and Anthropic has no moat + last Christmas Claude Code boom is never going to happen again
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Memanto: free and open source infinite memory for Claude, Codex, Cursor
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Ahora puedes darle memoria infinita a Claude, Codex y Cursor.
— Nico (@nicos_ai) 4 juin 2026
100% gratis y open source.
Memanto ya es tendencia con +5.000 estrellas en GitHub.
La herramienta:
→ guarda el contexto de tus sesiones de trabajo
→ lo comprime y organiza con IA
→ recupera lo relevante en menos… pic.twitter.com/r9pnRvDMJDNow, you can give infinite memory to Claude, Codex, and Cursor. 100% free and open source. Memanto is already trending with +5,000 stars on GitHub. The tool: → saves the context of your work sessions → compresses and organizes it with AI →
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LangSmith Engine automates agent team improvement loop from traces
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Most agent team runs the same manual improvement loop:
— LangChain (@LangChain) 4 juin 2026
Trace → find failure patterns → fix prompts or code → create evals → test → ship → repeat
LangSmith Engine helps turn production traces into named issues, root-cause analysis, proposed fixes, and stronger eval… pic.twitter.com/TozrvKwfTHMost agent team runs the same manual improvement loop: Trace → find failure patterns → fix prompts or code → create evals → test → ship → repeat LangSmith Engine helps turn production traces into named issues, root-cause analysis, proposed fixes, and stronger eval
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AI agent replaces junior developer, incurs $150k API bill
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We replaced a $60k junior developer with a proactive AI agent that casually ran up a $150k API bill in three weeks. Corporate efficiency at its finest
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Cursor’s new feature: Share canvases for apps, dashboards, reports, and internal tools via URL.
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With canvases, Cursor can create apps like dashboards, reports, and internal tools.
— Cursor (@cursor_ai) 4 juin 2026
Now you can publish a canvas and share it with your team via URL. pic.twitter.com/dHGRQhFEMHWith canvases, Cursor can create apps like dashboards, reports, and internal tools. Now you can publish a canvas and share it with your team via URL.
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Cursor AI: Interactive report for agent context usage in canvas
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Cursor can now show your agent's context usage as an interactive report in a canvas.
— Cursor (@cursor_ai) 4 juin 2026
The context explorer breaks down where tokens go across the system prompt, tool definitions, rules, skills, and more. pic.twitter.com/FccilnZzOzCursor can now show your agent's context usage as an interactive report in a canvas. The context explorer breaks down where tokens go across the system prompt, tool definitions, rules, skills, and more.
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Cog’s first eval ship offers private 100-hour enterprise evals with financial guarantee
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Finally! the first eval ship from cog!!!!!!!!!! To contextualize: @METR_Evals cap out at ~16 hours. Cog has private enterprise evals up to 100hrs, and is confident enough to put a financial guarantee on it METR dataset: ML eng, GPU kernels, cybersecurity > "METR (2026)
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Cooking the world’s best vibe coding app for mobile
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we are cooking the worlds best vibe coding app on Android and iOS, it’s going to be so cool 🙂
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Anthropic: Claude writes more than 80% of merged code
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We have just published internal data on the share of Claude's development that is already done by Claude: – More than 80% of all merged code in our codebase is now written by Claude – It has been months that many researchers at Anthropic