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Solutions

Replace serde_yaml
Parse YAML in the browser
Format and validate in CI
YAML in your editor
YAML edits by an AI agent
All solutions

Ecosystem

The six crates
noyalib on crates.io
noyalib-serde-yaml
noya-cli
noyalib-wasm on npm
noyalib-mcp on npm

Developers

Getting started
API reference on docs.rs
The manual
Frequently asked questions
Source on GitHub
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Why trust it

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Your YAML never leaves your machine. The library, the command line and the editor tools run locally, and the browser playground runs inside your tab. There is no noyalib-operated service that could receive a document.

Built to be handed untrusted input. No unsafe code, bounded nesting, alias budgets and size limits by default, and fuzzing and Miri on every change.

Open source, permissively licensed. Apache-2.0 or MIT, at your option, with no account, API key or licence server.

© 2026 Sebastien Rousseau. noyalib v0.0.57, released under Apache-2.0 or MIT. YAML is a specification of the YAML project. noyalib is an independent open-source project. Legal and privacy. WCAG 2.2 verified on every deploy.

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