Package catalog

Host packages

Package	Responsibility
`create-tsonic`	Atomic single-command project creator
`@tsonic/cli`	`tsonic` command-line entry point
`@tsonic/host`	Project orchestration and plugin composition
`@tsonic/target-api`	Public target, provider, artifact, and source-navigation contracts
`@tsonic/source-core`	Neutral source semantics and facts
`@tsonic/js-source-profile`	Target-neutral JavaScript declaration profile
`@tsonic/tsts`	Pinned checked-source compiler package consumed by Tsonic

C# packages

Package	Responsibility
`@tsonic/target-csharp`	C# analysis, planning, printing, project generation, .NET provider
`@tsonic/csharp-runtime`	Always-available C# runtime substrate
`@tsonic/csharp-js`	C# JavaScript-surface runtime
`@tsonic/csharp-nodejs`	C# Node capability and runtime

Rust packages

Package	Responsibility
`@tsonic/target-rust`	Rust analysis, planning, printing, Cargo and compiler providers
`@tsonic/rust-runtime`	`core`/`alloc`/`std` Rust runtime substrate
`@tsonic/rust-js`	Rust JavaScript-surface runtime
`@tsonic/rust-nodejs`	Rust Node capability and runtime

Mojo packages

These are source-workspace package identities, not a claim of npm publication. See the Mojo setup.

Package	Responsibility
`@tsonic/target-mojo`	Mojo analysis, planning, printing, native providers and Pixi output
`@tsonic/mojo-runtime`	Native runtime substrate
`@tsonic/mojo-js`	JavaScript-surface runtime
`@tsonic/mojo-nodejs`	Node capability and native runtime

Compiler-owned virtual modules such as @tsonic/core/types.js, @tsonic/dotnet/System.js, and @tsonic/rust/std/collections.js are source declarations. They are not installed npm packages.