# @three-ws/skill-license > On-chain skill licenses for agents — each purchased skill is a 1/1 SPL NFT plus a deterministic SkillLicense PDA. Mint, verify, and read trustless skill access in one import, no database required. @three-ws/skill-license is a JavaScript library from three.ws. Install: `npm install @three-ws/skill-license`. ## Docs - [README](https://github.com/nirholas/skill-license/blob/main/README.md): install, configuration, full reference - [Documentation site](https://nirholas.github.io/skill-license/): the README as a web page - [Full text for LLMs](https://nirholas.github.io/skill-license/llms-full.txt): README inlined - [AGENTS.md](https://github.com/nirholas/skill-license/blob/main/AGENTS.md): guidance for coding agents ## Project - [Source](https://github.com/nirholas/skill-license) - [npm](https://www.npmjs.com/package/@three-ws/skill-license) - [three.ws](https://three.ws): the platform this is part of - [Issues](https://github.com/nirholas/skill-license/issues)