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Show HN: Promptctl – Git for your AI prompts

Promptctl is a CLI tool that brings version control to AI prompts, allowing users to track, manage, and collaborate on prompts similarly to how Git handles code. It enables prompt versioning, diffing, branching, and sharing across projects.

Background

- Promptctl is a command-line tool that applies version control (like Git) to AI prompts, letting users track changes, roll back to previous versions, and collaborate on prompt development. - As AI coding assistants (e.g., Claude, ChatGPT, Copilot) become widely used, prompts — the instructions given to the model — have become valuable assets that teams iterate on like code, but lacked proper tooling for management. - The project is hosted on GitHub by naya-ai, built in Rust, and was shared on Hacker News (Show HN) as an open-source release for developers who want to maintain prompt history, diff changes, and manage prompt libraries systematically.

RT Max Weinbach: I had early access to this model and I'll post more Thursday, but I think the most impressive part is this model NEVER GIVES UP If yo...
9.0
Max Weinbach says he had early access to OpenAI's new model GPT-5.6 Sol, calling it his favorite model by far. He highlights that it never gives up and will keep reasoning until it's done. OpenAI announced that GPT-5.6 Sol, along with Terra and Luna, will launch publicly on Thursday, with preview access expanding globally now.
Statement on the US government directive to suspend access to Fable 5 and Mythos 5
9.0
The US government ordered Anthropic to suspend access to its Fable 5 and Mythos 5 models for all customers, citing a potential jailbreak technique that involved asking the model to review a codebase for vulnerabilities—a capability Anthropic says is available in other public models. Access was abruptly cut off on June 12.
This is a super exciting release - Claude Fable 5 is the same underlying model as Mythos but with added safeguards. The benchmarks are great and it's ...
9.0
Andrej Karpathy announces the release of Claude Fable 5, the same underlying model as Mythos but with added safeguards. He calls it a major step forward, particularly for long problem-solving sessions on difficult tasks, and describes it as state-of-the-art on nearly all benchmarks with exceptional performance in software engineering, research, and vision.
RT Roman Storm 🇺🇸 🌪️: The gov't theory in my case isn't about me. It's a template. Under US v. Storm, "money transmitting" no longer require...
8.5
Roman Storm warns that the legal theory in his case could set a precedent making open-source developers liable for how others use their code, potentially criminalizing the mere publication of privacy, messaging, or crypto tools. He notes that developer Michael Lewellen cannot publish lawful code due to prosecution fears, and argues this chilling effect extends beyond any single case.
‘Why Is Meta Destroying Its Engineering Organization?’
8.5
Meta's engineering culture is deteriorating under Mark Zuckerberg and Scale AI CEO Alexandr Wang, who have introduced keyboard tracking, reassignments to data labeling, and AI-centric performance metrics. Critics argue this incentivizes performative AI use, drives away experienced engineers, and contributed to a major Instagram hijacking incident caused by AI-written and AI-reviewed code.

Show HN: Promptctl – Git for your AI prompts

Background

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