Adapters overview

An adapter implements RuntimeAdapter in parallax-runtime:

• probe — host readiness
• execute — run a ProgramSource
• restore — materialize a PirDocument
• capabilities / metadata — declarations for CLI and snapshots

Atlas (Phase IX) adds a second adapter surface for project migration: language/framework/build/test/ORM/deploy detectors and planners via parallax-adapter-sdk + parallax-atlas. Runtime adapters and Atlas adapters are complementary — see Atlas architecture.

Registration

The CLI registers adapters at startup:

parallax_adapter_python::register_lenient
parallax_adapter_js::register_lenient
parallax_adapter_wasm::register_lenient
parallax_connectors::register_all_lenient   # 60+ language scaffolds

Lenient registration means a missing host binary still registers an adapter that probes UNAVAILABLE — plx doctor stays informative.

Scaffold connectors (Go, Java, Ruby, C#, …) register with honest Unsupported execute/restore until a real worker exists. Browse them with plx connectors. See Language connectors.

Program sources

Chapters

• Atlas architecture — modular adapter orchestration
• Adapter SDK
• Language connectors — full catalog
• Python
• JavaScript
• WebAssembly