Individual skill
wasm-wasmtime
Use when running WASM with the wasmtime CLI, embedding wasmtime in Rust, limiting execution with fuel, or building WASI preview2 components. Not for browser targets: use wasm-emscripten.
.devin/skills/wasm-wasmtime/SKILL.md
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- Apache-2.0
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# wasmtime
## Contract
| Field | Bound contract |
|---|---|
| Trigger | Server-side WebAssembly with wasmtime: CLI execution and AOT compilation, WASI capabilities, component model with WIT, Rust embedding, fuel metering, or DWARF-based diagnosis. |
| Authority | Reversible local. Writes are limited to compiled artifacts, serialized modules, and project build outputs; rollback is deleting those files. No remote mutation. |
| Side effect | `.cwasm` artifacts, Rust build outputs, and host binaries that embed wasmtime. |
| Done | The module or component runs under wasmtime with named capabilities, or the embedding builds and enforces its execution limits. |
## Inputs
1. Module or component (required): the `.wasm` to run, or the WIT world to build.