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    text: Standards
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  - level: 2
    text: On this page
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summary: Where a missing piece of public infrastructure can be closed with an open format, we publish one.
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companion-footer: ESFI — civilization infrastructure · https://esfi.eu
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Language

✕

/standards/index.mpf[open file ↗](/standards/index.mpf)[spec ↗](/standards/mpf/0.7)✕

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# Standards {#standards}

**Where a missing piece of public infrastructure can be closed with an open format, we publish one.**

ESFI’s standards follow a fixed pattern: identify the missing piece, publish an open specification, build a reference implementation, run it on our own infrastructure, and make the result inspectable. A standard appears here only once all of that exists.

> ### [Machine Page Format (MPF)](/standards/mpf)
>
> **One page for people. One for machines. Both declared.** An open format for publishing a machine-readable companion beside an HTML page. Current version: 0.7.

Each standard is documented with the same structure: an overview, the published specifications, an implementation guide, publishing and discovery conventions, the versioning policy and a registry of verified implementations. Rules are marked as **Specification**, **Reference implementation** or **ESFI practice**, so it is always clear what a conforming implementation can rely on.

Publishing and reading ESFI standards requires no ESFI service, registration or permission.

## On this page {#on-this-page}

ESFI — civilization infrastructure · https://esfi.eu