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# Announcing stdx, Rust's extended standard library: simplicity, performance and supply chain security for everyone

**[Sylvain Kerkour](https://daily.dev/sources/kerkour)** · 7 min read · 0 upvotes · 0 comments

## Summary

Sylvain Kerkour announces stdx, an extended standard library for Rust inspired by Go's standard library, aimed at addressing Rust's fragmented ecosystem and supply chain security risks. Built over 4 years and accelerated by cheap open-weight AI models (DeepSeek v4, Kimi K2.6), stdx provides zero-external-dependency crates including dotenv, crypto, and csv. The author shares case studies of AI-assisted development: a dotenv crate one-shotted for under $1 in 15 minutes, a crypto crate built with spec/test-driven AI guidance for ~$30, and a no_std CSV crate rewritten 3 times in a day for ~$2. The project is self-funded and seeking organizational sponsors.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://kerkour.com/stdx>

## Questions this post answers

### What is stdx for Rust and what problem does it solve?

stdx is an extended standard library for Rust with zero external dependencies, designed to address Rust's fragmented ecosystem and supply chain security risks. It provides commonly needed crates — including dotenv, crypto, and csv — as a single curated base, similar in philosophy to Go's standard library. The goal is to give indie developers and large organizations alike a secure, performant foundation without reinventing the wheel.

_Rust teams evaluating supply chain risk in their dependency trees follow projects like stdx on daily.dev._

### How much did it cost to build a Rust crypto crate using AI coding agents?

Building a crypto crate with AI coding agents cost approximately $30 and took multiple days of part-time work. The approach used official algorithm specification documents and community test vectors (including Wycheproof) to guide the agents and reduce hallucinations. The author estimates this is roughly 1/1000th the cost and 1/100th the time compared to traditional development, for similar correctness outcomes.

_Developers weighing AI-assisted Rust development against traditional approaches track real-world cost data like this on daily.dev._

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- [Supply chain nightmare: How Rust will be attacked and what we can do to mitigate the inevitable](https://daily.dev/posts/supply-chain-nightmare-how-rust-will-be-attacked-and-what-we-can-do-to-mitigate-the-inevitable-xdchrtlnw) · Hacker News · 0 upvotes · 1 comments
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---

Tags: [#security](https://daily.dev/tags/security), [#open-source](https://daily.dev/tags/open-source), [#rust](https://daily.dev/tags/rust), [#ai-coding](https://daily.dev/tags/ai-coding)

[View this post on daily.dev](https://daily.dev/posts/announcing-stdx-rust-s-extended-standard-library-simplicity-performance-and-supply-chain-security-rrzgmwr6w)

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