Jadpo is experimental and not ready for production. These docs follow the compiler's main branch as of 5 Nov 2026. What's built · Install 0.3.0
jadpo
ReferencePersonal data

Data

Personal data

partly builtMissing: exporting a person's data, privacy:, jadpo privacy requests and most of the report. See What is built.

Your app says which data is about a person, and Jadpo does the rest: it exports that data when the person asks for a copy, erases it when they ask to be forgotten, deletes it when its time is up, and reports where it lives. The aim is that requests under GDPR, UK GDPR and CCPA/CPRA work out of the box. Built so far: person: true, the check that erasure can find every field marked personal:, retention, which deletes data when its time is up, and erasure of a person's records in their store, the bytes of their files included and their own record kept field by field where it must be. personal: is also read for the AI page's check of what reaches a model, and the report lists every connection and host personal data reaches. Nothing exports personal data yet, and the report doesn't yet list the rest of what it will, so an app on this compiler does those itself. User.export is toolchain.not_built_yet where you write it, and so is any retention or erasure this compiler can't carry out in full, so none can be mistaken for working (What is built).

The law asks a few things of an app:

  • Keep only the personal data you need, for as long as you need it (GDPR Article 5).
  • Give a person a copy of everything you hold about them, in a machine-readable form, within a month (Articles 12, 15 and 20).
  • Delete it when they ask, unless the law makes you keep some of it, such as invoices (Article 17).
  • Build this in from the start (Article 25), keep a record of what you hold and why (Article 30), and protect it (Article 32).

CCPA/CPRA gives Californians the same rights to know and to delete. Each of these needs the app to know which data is personal and whose it is. That is the one fact Jadpo asks you to write down.

Capability What you write What the compiler does Built yet
Marking personal: on a field; nothing on an Email, a PhoneNumber, a name or a PostalAddress, which are personal data already Hashes it in logs, lists it in the report Partly: read for the AI check and the report's connections, and checked that erasure can find it; nothing hashes it
The person person: true on an entity Finds every record that belongs to them Yes
Erasure erase: on references it can't work out Generates User.erase(id) across every store and cache Partly: in the person's store, files' bytes and the person's own record kept field by field included; not yet another store
Export nothing Generates User.export(id) No: toolchain.not_built_yet
Retention retention: on a field or entity Clears or deletes it when the time is up Partly: not yet on an event
Report nothing Writes build/report/personal-data.md Partly: every connection and host personal data reaches
Marking personal fields

A field that identifies or describes a person says so in its block, with personal: and one category from a fixed list.

The person

An entity that represents a person says person: true.

Encrypted fields

An entity field can be stored encrypted.

Retention

Personal data needs an end date: GDPR's storage limitation means you keep it only as long as you need it.

Erasure

Erasing a person is a generated operation, User.erase(user_id).

Erasure at providers

When your app sends a person's data to another company, such as a payment provider, erasing the person also asks that provider to erase them.

Export not built

User.export(user_id) returns everything held about a person, as JSON, one list per entity.

Data requests not built

privacy: in app.jadpo turns on generated routes for a person's requests to export or erase their data.

Access records

Every export and erasure is recorded: who asked, for which person's id, and when, never the values.

Where data is stored

Each store is one database in one place.

The personal-data report

jadpo check writes build/report/personal-data.md and a .json twin, in the same form as its other reports (The suggestions report).

What this does not cover

The report says plainly what Jadpo covers and what it doesn't.

What is built says which of this works today.

Details

The exact rules, for when you hit an edge case.

What the compiler checks

What the compiler refuses about personal data, such as a marked field nothing reads.

Markdown for agents: /docs/personal-data.md.Built from Jadpo main at aee2e8f.