Show HN: Sigflint – AWS SigV4 signing in 0.97 µs on Node, zero deps

Category: library

Tags: aws, sigv4, authentication, javascript, zero-dependencies, performance

Score: 6.5/10 (Innovation: 5, Technical: 7, Documentation: 8, Utility: 6)

Sigflint is a zero-dependency AWS SigV4/SigV4a request signing library for JavaScript that runs across Node, Bun, Deno, Cloudflare Workers, and browsers. It focuses on correctness (validated against botocore on thousands of requests) and speed (0.97 µs per S3 GET), with a clean API and thorough documentation, filling a niche for lightweight, portable AWS signing.

Target audience: backend devs, devops, full-stack devs working with AWS in JS/TS edge or serverless environments

Repository: https://github.com/bompus/sigflint · JavaScript · MIT · 1 stars

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