Track 3: Advanced, the documents
Products that act on their own, use an AI brain, run fleets, or move. The Track 3 reading list gives the order and the time for each. Track 3 includes everything in Track 2. Each document below says which of its sections each track reads.
Show the documents of one track, with the sections it reads: Track 1: Basic · Track 2: Intermediate · Track 3 · every document
Other
1HEART Command CenterAdvanced only (Stop 3B): all of it, if your product uses an AI brain at A3 or above.
3 Advancedspec/HEART-Command-Center-1.0.mdStart here: three reading tracks
2Start Here: Which HEART Track Are You On?Every track: start here, and pick your track.
1 Basic2 Intermediate3 Advancedspec/HEART-Start-Here.mdHEART Track 3: AdvancedAdvanced: what HEART Full, A3 to A5, fleets and machines add to Track 2.
3 Advancedspec/HEART-Track-3-Advanced.mdStandard
9HEART API StandardEvery track: the list of files. New here? Read Start Here first.
1 Basic2 Intermediate3 Advancedspec/README.mdThe HEART Standards FamilyEvery track, optional: "In one minute", and the section on the two kinds of level. The rest is for people organising the standard.
1 Basic2 Intermediate3 Advancedspec/HEART-Standards-Family.mdHEART API Standard 1.0Basic: Sections 2, 2.1, 4.1 to 4.3 and 6.1. Intermediate adds 4.5, 7.1, 13.1 (your modules) and 13.2 rules 1 to 9. Advanced adds 1.3, 4.4, 6.2 to 6.4, 7.2 to 7.4, 11, 13.2 rules 10 to 12, 13.3, 13.4, 14 and 15. Parts 3 and 4 now cover Sections 3, 5 and 8 to 10.
1 Basic2 Intermediate3 Advancedspec/HEART-API-Standard-1.0.mdHEART Core Standard 1.0Advanced only (Stop 3B): Sections 1 to 9, 11 and 12; Section 10 for machines (Stop 3C).
3 Advancedspec/HEART-Core-Standard-1.0.mdHEART Part 1: BasicsBasic: "In one minute", Sections 1, 2, 4 to 7 and 10. Intermediate adds Section 8. Advanced adds Section 9. Sections 3 and 11 to 13 are background.
1 Basic2 Intermediate3 Advancedspec/HEART-Part-1-Basics-1.0.mdHEART Part 2: Autonomy LevelsBasic: "In one minute", Sections 2 and 3, A0 to A2 in Section 4, Rules 2, 4 and 6, and Section 8. Intermediate adds Sections 7 and 9. Advanced adds A3 to A5, Rules 1, 3, 5 and 7, and Sections 6 and 10.
1 Basic2 Intermediate3 Advancedspec/HEART-Part-2-Autonomy-Levels-1.0.mdHEART Part 3: Information ModelBasic: "In one minute", Sections 2, 3.1, 3.2, 3.4, 4, 5.1 to 5.4, 5.6, 5.7, 7 and 9. Intermediate adds 3.3, 3.7, 5.8, 8, 10 and 11. Advanced adds 3.5, 3.6 and 6. Sections 5.5 and 12 to 14 are reference.
1 Basic2 Intermediate3 Advancedspec/HEART-Part-3-Information-Model-1.0.mdHEART Part 6: Human Control and SafetyBasic: "In one minute" and Section 9. Intermediate adds Sections 2.1 to 2.4 (the human column of 2.3), 3 and 10. Advanced adds all of 2.3, Sections 4 to 8, and 9.1.
1 Basic2 Intermediate3 Advancedspec/HEART-Part-6-Human-Control-and-Safety-1.0.mdHEART Part 9: Testing and CertificationBasic: "In one minute", Sections 2, 3.1, 5.1, 5.2, 7 and 8. Intermediate adds 6.3, 6.4, 6.7 and 10. Advanced adds 5.3, 6.1, 6.5 and 6.6. Each track page lists its tests.
1 Basic2 Intermediate3 Advancedspec/HEART-Part-9-Testing-and-Certification-1.0.mdAdvisories
1HEART Security Advisory HEART-2026-001Intermediate: "In one minute", "How to read this advisory", C3, C4, C5 and H1. Advanced adds C1 and C2. Sections 7 to 9 are background.
2 Intermediate3 Advancedspec/HEART-Security-Advisory-2026-001.mdDesign notes
1HEART Design Note 1: The Brain and the HeartAdvanced (Stop 3B): Sections 1 to 5. Sections 6 and 7 are background.
3 Advancedspec/HEART-Design-Note-1-Brain-and-Heart.mdHEART Core, the reference runtime in Rust
8HEART Core (Rust)Advanced: the reference implementation of HEART Full.
3 Advancedheart-core-rs/README.mdCode of ConductAdvanced: the reference implementation of HEART Full.
3 Advancedheart-core-rs/CODE_OF_CONDUCT.mdConformance statementAdvanced: the reference implementation of HEART Full.
3 Advancedheart-core-rs/CONFORMANCE.mdContributingAdvanced: the reference implementation of HEART Full.
3 Advancedheart-core-rs/CONTRIBUTING.mdConfiguring heartdAdvanced: the reference implementation of HEART Full.
3 Advancedheart-core-rs/docs/CONFIGURATION.mdSecurity PolicyAdvanced: the reference implementation of HEART Full.
3 Advancedheart-core-rs/SECURITY.mdTesting HEART CoreAdvanced: the reference implementation of HEART Full.
3 Advancedheart-core-rs/TESTING.mdGuides
8Building a HEART-Embedded System: worked guidesEvery track: pick the guide closest to your product.
1 Basic2 Intermediate3 Advancedguides/README.mdGuide 1: A HEART-Embedded air-conditioner controllerAdvanced (Stop 3A): HEART Full with heartd beside the control firmware.
3 Advancedguides/AC-Temperature-Controller.mdGuide 3: A HEART-Embedded birdhouse cameraAdvanced (Stop 3A): adopted Playbooks inside an envelope.
3 Advancedguides/Birdhouse-Camera.mdGuide 6: A HEART-Embedded greenhouse irrigation systemAdvanced (Stop 3B): the brain proposes, a Trial with one approval and automatic undo.
3 Advancedguides/Greenhouse-Irrigation.mdGuide 10: A HEART-Embedded online shop serverAdvanced (Stop 3A): self-healing Playbooks, A4.
3 Advancedguides/Online-Shop-Server.mdGuide 2: HEART-Embedded photo editing softwareAdvanced (Stop 3B): the HEART Core inside an app.
3 Advancedguides/Photo-Editing-Software.mdGuide 5: A HEART-Embedded smart thermostatIntermediate: every change is physical and waits for a person. Its AI suggestions preview Advanced (A3).
2 Intermediate3 Advancedguides/Thermostat.mdGuide 7: A HEART-Embedded water pump stationBasic: monitoring a PLC, HEART Basic, A1. Advanced readers building machines (Stop 3C) read it too.
1 Basic3 Advancedguides/Water-Pump-Station.md