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interop

Guides Rust FFI and language binding implementation across PyO3, NAPI-RS, WASM, and Tauri boundaries.

Updated Feb 21, 2026
Search Tags:#rust#tauri#pyo3#ffi#interop#napi-rs#wasm-bindgen
One-click install
npx skills add https://github.com/joySUSY/violet-plugin-place --skill interop-joysusy
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: interop
Source: https://github.com/joySUSY/violet-plugin-place/tree/main/plugins/rust-coding-engine/skills/interop
Command: npx skills add https://github.com/joySUSY/violet-plugin-place --skill interop-joysusy

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve? Crossing language boundaries in Rust projects involves subtle ownership, panic, and toolchain concerns that cause crashes and undefined behavior when handled as mere binding syntax. This Skill structures interop work as a boundary discipline problem with curated reference material for each integration lane. ## Core Features & Use Cases - Lane-Based Guidance: Branches into dedicated references for C/C++ FFI, Python via PyO3 and Maturin, Node native addons, Rust-TypeScript/WASM bridges, and Tauri core-shell IPC. - Boundary Identification: Requires explicitly naming the panic boundary, ownership boundary, and toolchain boundary before implementation begins. - Use Case: When exposing a Rust crate to Python, follow the PyO3/Maturin lane to design safe ownership transfer across the FFI boundary instead of guessing at binding syntax. ## Quick Start Ask the assistant to help you build Python bindings for your Rust crate using PyO3 and Maturin with proper boundary handling.

Frequently Asked Questions about interop

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I create Python bindings for a Rust library?▼

Use PyO3 to define the binding layer and Maturin to build and package the Python extension. The Skill's Python lane reference covers ownership transfer and panic containment across the Rust-Python boundary before you write binding code.

What is the difference between wasm-bindgen and ts-rs for Rust-TypeScript interop?▼

wasm-bindgen compiles Rust to WebAssembly with generated JavaScript glue for browser or Node runtimes, while ts-rs generates TypeScript type definitions from Rust types for shared schemas. The Rust-TS/WASM lane covers when each bridge pattern applies.

Can I use Rust FFI with existing C or C++ code?▼

Yes, Rust exposes C-compatible FFI through extern functions and can consume C headers via bindgen. The C/C++ deep-dive reference covers ABI concerns, unsafe boundary design, and ownership rules for mixed codebases.

Why do Rust panics cause problems across FFI boundaries?▼

Unwinding a panic across an FFI boundary is undefined behavior and can abort the host process. The Skill requires naming the panic boundary explicitly so panics are caught or converted to error codes before crossing into the foreign language.

How does Tauri handle communication between Rust backend and frontend?▼

Tauri uses an IPC layer where the frontend invokes commands exposed by the Rust core. The Tauri lane reference covers core-shell architecture and designing safe IPC boundaries between the webview and Rust.

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