Open source alternatives to sandbox-npm-install
24 open source AI Skills apps to use instead, best rated first.
Top picks
- G

github-ops
Getgithub-ops is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It manages a GitHub repository with a focus on community health, CI reliability and the experience of contributors. It covers triaging issues by classify
Open source
- O

opensource-pipeline
Getopensource-pipeline is an agent skill from the ECC collection by affaan-m, listed on skills.sh. It prepares a private project for safe public release through a three-stage pipeline. The fork stage strips secrets from a copy. The sanitise st
Open source
- A

andrej-karpathy-skills
Getandrej-karpathy-skills is a single CLAUDE.md file from the multica-ai project that is meant to improve how Claude Code behaves on coding tasks. It is derived from Andrej Karpathy's public observations about LLM coding pitfalls. The file dis
Open source
- M

microsoft/markitdown
Getmarkitdown-mcp is the MCP server package for MarkItDown, Microsoft's tool for converting many file formats to Markdown for language models. It is a lightweight server that runs over stdio, Streamable HTTP or SSE, and exposes one tool, conve
Open source
- O

od-contribute
Getod-contribute is an agent skill in the OpenDesign project that provides a guided, one-click contribution flow to the OpenDesign repository, written so that people without a coding background can send a real pull request. It is locked to the
Open source
- G

github-deep-research
Getgithub-deep-research is an agent skill from the DeerFlow project that researches a single GitHub repository in several rounds and writes a report in Markdown. It is for requests that need more than a README summary, such as a comprehensive
Open source
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About sandbox-npm-install

sandbox-npm-install
Install npm packages in a Docker sandbox environment
sandbox-npm-install is an agent skill from the github/awesome-copilot collection for installing npm packages inside a Docker sandbox. It applies when packages need to be installed for the first time in a new sandbox session, when package.json or package-lock.json has changed, when node_modules is missing or damaged, or when native binaries crash with errors such as SIGILL, SIGSEGV, mmap failures or an unaligned sysNoHugePageOS message. The skill explains the cause. Sandbox workspaces are usually mounted through virtiofs, a file-sync layer between the host and the Linux virtual machine, and native Go and Rust binaries such as esbuild, lightningcss and rollup crash with memory-alignment failures when run from that mount on aarch64 machines. The fix is to install the packages on the container's local ext4 filesystem and link them back into the workspace. Prerequisites are a sandbox with a virtiofs-mounted workspace, Node.js and npm in the container, and a package.json in the workspace. It is useful for developers who run builds inside Docker sandboxes on Apple silicon and similar hardware. The skill changes where dependencies are installed, so it should be used in the sandbox only, and the lockfile should be kept in sync with what is installed. The skill is installed with the skills CLI from the github/awesome-copilot repository. Its skills.sh page showed about 1.7K installs, with Gen Agent Trust Hub and Socket passing and Snyk showing a warning at the time of the scan.
- Price
- Free
- Made by
- github
- Category
- AI Skills
- Website
- github.com/github/awesome-copilot/sandbox-npm-install










