# Claude Code vs Claude Agent SDK

Both are commercial harness options with comparable terms, so the choice comes down to which model of the problem you prefer — compare the descriptions below rather than the licence.

| | Claude Code | Claude Agent SDK |
| --- | --- | --- |
| Licence | Proprietary | Proprietary |
| Pricing | paid | usage based |
| Self-hostable | No | No |
| Languages | Any language | TypeScript, Python |
| Install | npm install -g @anthropic-ai/claude-code | npm install @anthropic-ai/claude-agent-sdk |
| Keys required | ANTHROPIC_API_KEY | ANTHROPIC_API_KEY |

## Full pages

- https://newagent.build/c/claude-code
- https://newagent.build/c/claude-agent-sdk

## Machine interfaces

- `GET https://newagent.build/api/registry` — every component as JSON
- `GET https://newagent.build/api/vendors` — vendors, with the repo and releases feed to watch
- `GET https://newagent.build/api/advise?q=<plain english>` — recommended stack for a description
- `GET https://newagent.build/api/stack?<layer>=<id>&format=sh|json|md|yml|agents|env` — a stack as files
- `GET https://newagent.build/llms.txt` — the whole registry in one fetch

Any page here also returns markdown if you send `Accept: text/markdown`.