# Build Wasm

> Build the WASM plugins for Envoy. Use when WASM plugin code changes.

- Skill: `katanemo/build-wasm` (Agent Skill)
- Install (CLI): `npx skillmds@latest add katanemo/build-wasm`
- Raw SKILL.md: https://api.skillmd.com/api/skills/katanemo/build-wasm/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: katanemo (https://skillmd.com/u/katanemo)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/katanemo/build-wasm

---


Build the WASM plugins:

```
cd crates && cargo build --release --target=wasm32-wasip1 -p llm_gateway -p prompt_gateway
```

If the build fails, diagnose and fix the errors.