MCPInstall

rust-node-ci

GitHub Actions CI/CD for Rust+Node.js hybrid repos. Covers workflow structure, installable composite actions, artifact flow, caching, and dev versioning. Use when: (1) setting up or fixing GitHub Actions workflows, (2) adding CI for a Rust+Node.js project, (3) working with composite actions (setup-workspace, rust-cross-build, compute-version, wait-npm-propagation), (4) debugging CI failures, (5) setting up the cross-platform build matrix. Triggers on "CI", "workflow", "GitHub Actions", "cross-build", "artifact", or work in .github/workflows/.

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/onsager-ai/dev-skills --skill rust-node-ci
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads rust-node-ci automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Rust+Node.js CI/CD

GitHub Actions workflows and composite actions for Rust+Node.js hybrid projects.

When to Use This Skill

Activate when any of the following are true:

  • Working with .github/workflows/ in a repo with both Cargo.toml and package.json
  • Setting up, fixing, or extending CI/CD pipelines
  • Installing composite actions into a project
  • User mentions "CI", "workflow", "GitHub Actions", "cross-build", or "artifact"

Decision Tree

What does the user need?

Set up CI from scratch?
  → Copy templates/workflows/ into .github/workflows/
  → Install composite actions from templates/actions/ into .github/actions/
  → Customize platform matrix for your targets

Fix a failing CI job?
  → Node job → CI Jobs section
  → Rust build/cross-compile → Composite Actions section + references/troubleshooting.md
  → Publish workflow → see rust-npm-publish skill

Add a new platform to the build matrix?
  → Publish Workflow Matrix section
  → Full platform reference → see rust-npm-publish skill

Understand dev vs release versioning in CI?
  → Dev Versioning section

Workflow Architecture

┌─────────────┐     ┌──────────────────┐
│  Node Build  │     │   Rust Build     │
│  (test/lint) │     │  (per platform)  │
└──────┬──────┘     └────────┬─────────┘
       │                     │
       │   ┌─────────────┐   │
       └──►│  Artifacts   │◄──┘
           └──────┬──────┘
                  │
           ┌──────▼──────┐
           │   Publish    │
           └─────────────┘

Workflows

WorkflowTriggerWhat It Does
ci.ymlPR, push to mainNode build+test+lint, Rust fmt+clippy+test
publish.ymlRelease, dispatchCross-build → publish to npm
copilot-setup-steps.ymlrepository_dispatchCopilot agent onboarding

Templates: templates/workflows/

CI Jobs

Node Job

steps:
  - uses: ./.github/actions/setup-workspace
  - run: pnpm build
  - run: pnpm test
  - run: pnpm typecheck

Rust Job

steps:
  - uses: actions/checkout@v4
  - uses: dtolnay/rust-toolchain@stable
    with:
      components: clippy, rustfmt
  - run: cargo fmt --all -- --check
  - run: cargo clippy --workspace -- -D warnings
  - run: cargo test --workspace

Composite Actions

Install into .github/actions/<name>/action.yml in your project, then reference as uses: ./.github/actions/<name>.

Templates: templates/actions/

ActionInstall pathPurpose
setup-workspace.github/actions/setup-workspace/Checkout + pnpm + Node.js + cache + install
rust-cross-build.github/actions/rust-cross-build/Build Rust binaries for a target platform
compute-version.github/actions/compute-version/Compute dev/release version + npm tag
wait-npm-propagation.github/actions/wait-npm-propagation/Poll npm until platform packages are visible

Publish Workflow Matrix

strategy:
  matrix:
    include:
      - { os: macos-latest,   target: x86_64-apple-darwin,      platform: darwin-x64 }
      - { os: macos-latest,   target: aarch64-apple-darwin,     platform: darwin-arm64 }
      - { os: ubuntu-22.04,   target: x86_64-unknown-linux-gnu, platform: linux-x64 }
      - { os: windows-latest, target: x86_64-pc-windows-msvc,   platform: windows-x64 }

Each matrix entry runs rust-cross-build and uploads the binary as an artifact.

Artifact Flow

# Upload from build job (one per platform)
- uses: actions/upload-artifact@v4
  with:
    name: binary-${{ matrix.platform }}
    path: target/${{ matrix.target }}/release/my-cli${{ matrix.platform == 'windows-x64' && '.exe' || '' }}
    retention-days: 1

# Download in publish job (all platforms)
- uses: actions/download-artifact@v4
  with:
    pattern: binary-*
    path: artifacts/
    merge-multiple: false

Caching

ToolHow
pnpmactions/setup-node@v4 with cache: 'pnpm'
RustSwatinem/rust-cache@v2 with shared-key: ${{ matrix.platform }}
Turboactions/cache@v4 on .turbo path

Dev Versioning in CI

Non-release builds compute a unique pre-release version:

base version: 0.2.15
compute-version (is-release: false) → 0.2.16-dev.{github_run_id}
npm-tag: dev

Use the compute-version action:

- uses: ./.github/actions/compute-version
  id: version
  with:
    base-version: ${{ steps.pkg.outputs.version }}
    is-release: ${{ github.event_name == 'release' }}
# outputs: version, npm-tag, is-dev

Troubleshooting

ProblemFix
Rust build fails on macOS ARMUse macos-latest; rustup target add aarch64-apple-darwin
pnpm lockfile mismatch--frozen-lockfile in CI; regenerate locally
Cargo cache too largeAdd shared-key to rust-cache; use save-if on main only
Artifact not found downstreamCheck needs: chain; verify artifact name matches

See references/troubleshooting.md for detailed diagnostics.

Templates

DirectoryContents
templates/workflows/ci.yml, publish.yml, copilot-setup-steps.yml
templates/actions/4 composite actions with action.yml + README

Setup & Activation

npx skills add -g onsager-ai/dev-skills --skill rust-node-ci -a claude-code -y

Auto-activates when: .github/workflows/ directory exists in a Rust+Node.js repo, or user mentions "CI", "workflow", "GitHub Actions", "cross-build".

FAQ

What does the rust-node-ci skill do?

GitHub Actions CI/CD for Rust+Node.js hybrid repos. Covers workflow structure, installable composite actions, artifact flow, caching, and dev versioning. Use when: (1) setting up or fixing GitHub Actions workflows, (2) adding CI for a Rust+Node.js project, (3) working with composite actions (setup-workspace, rust-cross-build, compute-version, wait-npm-propagation), (4) debugging CI failures, (5) setting up the cross-platform build matrix. Triggers on "CI", "workflow", "GitHub Actions", "cross-build", "artifact", or work in .github/workflows/.

How do I install rust-node-ci?

Run npx skills add https://github.com/onsager-ai/dev-skills --skill rust-node-ci in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/rust-node-ci/ (personal) or .claude/skills/rust-node-ci/ (project).

Which AI agents can use rust-node-ci?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is rust-node-ci safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains rust-node-ci?

It is published by onsager-ai in onsager-ai/dev-skills. It has 61 recorded installs.

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