pnpm
Node.js package manager with strict dependency resolution. Use when running pnpm specific commands, configuring workspaces via pnpm-workspace.yaml, or managing dependencies with catalogs, patches, overrides, config dependencies, or the global virtual store.
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Install
Works with every agent the skills CLI supports.
npx skills add https://github.com/antfu/skills --skill pnpm- 01
Install
Run the command in your project. The CLI asks which agents to install for.
- 02
Describe the task
Ask your agent for something this skill covers. It loads pnpm automatically when relevant.
- 03
Review the result
The agent follows the SKILL.md steps, scripts and references bundled with the skill.
Security audits
Independent scans of the skill's instructions and bundled files.
SKILL.md
The instructions your agent reads when the skill is triggered.
pnpm is a fast, disk space efficient package manager. It uses a content-addressable store to deduplicate packages across all projects on a machine, and enforces strict dependency resolution by default, preventing phantom dependencies.
pnpm v12 is a Rust rewrite of v11: stable, and keeps v11's commands, flags, settings, and lockfile format — so most guidance here applies to both. A handful of v12 behaviors differ (git deps resolve via HTTPS, project-aware global bins, other package managers, packageImportMethod: auto hardlinks first on Linux, --resolution-only removed) — see best-practices-migration.
Configuration model (important): pnpm settings live in pnpm-workspace.yaml (and the global config.yaml) using camelCase keys. .npmrc is used only for authentication/registry credentials, and the pnpm field of package.json is no longer read. When working in a pnpm project, check pnpm-workspace.yaml for settings/workspace structure and .npmrc only for auth. Always use --frozen-lockfile (or pnpm ci) in CI.
The skill is based on pnpm 12.x, generated at 2026-09-25. It covers v11+v12 behavior (config split, isolated global packages,
allowBuilds,pmOnFail, global virtual store, native release management, workspace task orchestration, and experimental Python/Cargo support) where current docs describe them.
Core
| Topic | Description | Reference |
|---|---|---|
| CLI Commands | install/add/remove/update, run, dlx/pnx, workspace, runtime, publishing (version, view, sbom, stage) | core-cli |
| Configuration | pnpm-workspace.yaml settings (camelCase), global config.yaml, packageConfigs, .npmrc auth | core-config |
| Workspaces | Monorepo support: filtering, workspace protocol, shared lockfile, packageConfigs | core-workspaces |
| Store | Content-addressable store, virtual store, node linker modes, frozen/read-only store | core-store |
Features
| Topic | Description | Reference |
|---|---|---|
| Catalogs | Centralized dependency versions; catalogMode, catalog: in overrides | features-catalogs |
| Overrides | Force versions (incl. transitive & peer deps); packageExtensions | features-overrides |
| Patches | Modify third-party packages; patchedDependencies in pnpm-workspace.yaml | features-patches |
| Aliases | Install under custom names (npm:) and registry aliases (namedRegistries) | features-aliases |
| Hooks | .pnpmfile.mjs hooks (readPackage, updateConfig, beforePacking), finders, resolvers/fetchers | features-hooks |
| Peer Dependencies | Auto-install, strict mode, rules, dedupePeers, peers check | features-peer-deps |
| Config Dependencies | Share hooks/settings/catalogs/patches across repos via configDependencies | features-config-dependencies |
| Global Virtual Store & Shims | Shared node_modules, git-worktree multi-agent setups, isolated global packages, project-aware bins, other package managers | features-global-virtual-store |
| Supply-Chain Security | Build approval (allowBuilds), minimumReleaseAge, trustPolicy, lockfile integrity | features-supply-chain-security |
| Task Orchestration | Cross-project task graphs (tasks/dependsOn), concurrency groups, priority, pnpm pipeline | features-task-orchestration |
| Release Management | Native versioning: pnpm change/version -r/lane, lanes, epics, fixed groups | features-versioning |
| Multi-Ecosystem | Python (pypi:) and Cargo (crate:) dependencies alongside npm (experimental) | features-multi-ecosystem |
Best Practices
| Topic | Description | Reference |
|---|---|---|
| CI/CD Setup | GitHub Actions, GitLab, Docker, pnpm ci, store caching, frozen lockfiles | best-practices-ci |
| Migration | npm/Yarn → pnpm, phantom deps, and pnpm v10 → v11 → v12 upgrade notes | best-practices-migration |
| Performance | Install optimizations, allowBuilds, global virtual store, workspace parallelization | best-practices-performance |
FAQ
What does the pnpm skill do?
Node.js package manager with strict dependency resolution. Use when running pnpm specific commands, configuring workspaces via pnpm-workspace.yaml, or managing dependencies with catalogs, patches, overrides, config dependencies, or the global virtual store.
How do I install pnpm?
Run npx skills add https://github.com/antfu/skills --skill pnpm 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/pnpm/ (personal) or .claude/skills/pnpm/ (project).
Which AI agents can use pnpm?
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 pnpm safe to install?
Security partners have reviewed it: Gen Agent Trust Hub passed; Socket passed; Snyk passed; Runlayer passed; ZeroLeaks passed. As with any skill, read the SKILL.md and bundled scripts before installing.
Who maintains pnpm?
It is published by antfu in antfu/skills. It has 22,407 recorded installs.
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