# Install altcha-lib

A lightweight library for creating and verifying ALTCHA challenges on the server. Version 2.2.0 via npm; verified 2026-05-24.

## Install

```sh
sudo av install npm:altcha-lib
```

Additional install commands:

### Portable and language managers

- npm (100%):

```sh
npm install -g altcha-lib
```

  Evidence: local npm package metadata

## Package Facts

- **Package key:** npm:altcha-lib
- **Package manager:** npm
- **Package manager URL:** <https://www.npmjs.com/package/altcha-lib>
- **Version:** 2.2.0
- **Source summary:** A lightweight library for creating and verifying ALTCHA challenges on the server.
- **Homepage:** <https://altcha.org>
- **Repository:** <https://github.com/altcha-org/altcha-lib>
- **Upstream docs:** <https://altcha.org>
- **License:** MIT
- **Source archive:** <https://registry.npmjs.org/altcha-lib/-/altcha-lib-2.2.0.tgz>
- **Issue tracker:** <https://github.com/altcha-org/altcha-lib/issues>
- **Published:** 2026-05-24T12:56:57.804Z
- **Last updated:** 2026-05-24T12:56:57.804Z
- **Generated:** 2026-05-26T17:25:59+00:00

## Executables

- altcha-lib (cli): bin/cli.mjs
- altcha-lib (alias)

## Build Dependencies

- @eslint/eslintrc
- @eslint/js
- @fastify/cookie
- @fastify/cors
- @fastify/formbody
- @nestjs/common
- @nestjs/core
- @nestjs/platform-express
- @sveltejs/kit
- @types/cookie-parser
- @types/cors
- @types/express
- @types/node
- @types/supertest
- @typescript-eslint/eslint-plugin
- cookie-parser
- cors
- eslint
- express
- fastify
- globals
- h3
- hono
- husky
- prettier
- rimraf
- supertest
- ts-node
- tsx
- typescript
- vite
- vitest
- web-worker

## Install Behavior

- Post-install hook: not defined
- Lifecycle scripts: prepare

## Freshness

- Page generated: 2026-05-26
- Package-manager version: 2.2.0
- Package-manager updated: 2026-05-24
- Local data status: ok
- Upstream repository: https://github.com/altcha-org/altcha-lib
- info: No cached GitHub release or tag data was available.

## Security Notes

No matching local radioisotope manifest was found for altcha-lib. Nucleus package metadata is still published here so future coverage has a stable package URL.


## Related Links

- [@wonderwhy-er/desktop-commander](https://www.automicvault.com/pkg/npm/wonderwhy-er-desktop-commander/) - Local metadata places this package in an adjacent workflow. Shared terms: lib, server.
- [turborepo-remote-cache](https://www.automicvault.com/pkg/npm/turborepo-remote-cache/) - Local metadata places this package in an adjacent workflow. Shared terms: lib, server.
- [azurite](https://www.automicvault.com/pkg/brew/azurite/) - Local metadata places this package in an adjacent workflow. Shared terms: lightweight, server.
- [Networking and protocol packages](https://www.automicvault.com/pkg/networking-protocol-tools/)

## Sources

- Nucleus package database
- package-page enrichment
- package version freshness
- package relationship graph
- cross-ecosystem install command graph