That's why I'm so puzzled by how they promoted it – it sounds like it's similar MCP file access but it's actually something much more interesting, it's a full remote Linux sandbox system with Node.js and Python and Bash and the ability to install extra packages
CODE
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LangSmith Introduces Organization-Scoped API Keys for Enhanced Control
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🔑 You can now create org-scoped LangSmith API keys!
— LangChain (@LangChain) 9 septembre 2025
Our new features gives you more control, allowing you to:
1️⃣ Expand Scope: Create API keys that are linked to several workspaces, or the entire organization
2️⃣Improve Security: Enterprise users can assign roles to the API… pic.twitter.com/oHYWmB1b3aYou can now create org-scoped LangSmith API keys! Our new features gives you more control, allowing you to: Expand Scope: Create API keys that are linked to several workspaces, or the entire organization
Improve Security: Enterprise users can assign roles to the API -
Firecrawl: Fast Website Scraping with Single Command
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Firecrawl scrapes websites with one sentence and it’s shockingly fast
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LLM Code Execution Vulnerabilities: Shell Commands and Arbitrary Code
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Haha that answer it gave you isn't actually correct: it CAN run arbitrary shell commands but you have to convince it to use Python's http://
subprocess.run(…, shell=True) You can even get it to run PHP or Deno or Lua if you know what you're doing https://
til.simonwillison.net/llms/code-inte
rpreter-expansions
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Browser-based JavaScript feature execution implementation notes
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I do have another version of this feature which executes JavaScript and runs in the browser – here are my notes on that one
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Unsloth Team AMA: Lightning-Fast LLM Fine-Tuning Library
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join us tomorrow for our 3rd AMA on r/LocalLLaMA with the Unsloth team, creators of the lightning-fast Unsloth fine-tuning library tomorrow 10am-1pm PST
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Using MCPs to automate calendar event creation workflows
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someone said they use MCPs to drop calendar events on their cal from this flow, so I clearly have room to upgrade 🙂
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Firecrawl: Fast Website Scraping with Single Command
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did you know Firecrawl scrapes websites with one sentence and it’s shockingly fast
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K2-Think: 32B Model Achieving Frontier Reasoning Performance
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K2-Think a reasoning system that achieves frontier performance with just a 32B parameter model, surpassing or matching much larger models such as GPT-OSS 120B and DeepSeek v3.1 vibe coded a chat app for it in anycoder
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Claude API Code Execution Tool Features Compared
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That one isn't a feature of the http://
Claude.ai consumer-facing app, it's only available to users of their API https://
docs.anthropic.com/en/docs/agents
-and-tools/tool-use/code-execution-tool
… I expect the new user-facing feature uses the same underlying architecture though