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Vault-LD

open-source

Summary

Vault-LD is an open-source format for knowledge that allows both human editing in Markdown and machine reasoning over a graph. The license is available via the repository's LICENSE file. It functions as a specification and set of documentation rather than a runnable command-line tool. The system is designed for users working with linked data, specifically those managing knowledge graphs. Its documentation positions it alongside YAML-LD, mapping YAML frontmatter into linked data structures. The project maintains an active repository structure with documented contribution guidelines.

What Vault-LD answers

What knowledge structure is created from notes?

linked data

What format handles the metadata linking the content?

YAML frontmatter

What existing standard does it use to define the link structure?

JSON-LD

Does it require a running service to establish connections?

no

What kind of content can it process alongside structured data?

plain Markdown notes

Can it map standard metadata structures into graph components?

Yes, via a shared context

Release history

Nothing shipped since we started watching. Releases and docs updates land here as they happen.

watching since Aug 21, 2026

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