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description: Arize Phoenix is fully open-source free to self-host
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# License Overview (Elastic License 2.0)
Arize Phoenix is released under the **Elastic License 2.0 (ELv2)** by Arize AI.
- Self-hosting on your own infrastructure or in your cloud account is free and fully permitted.
- There are no feature gates — Phoenix is a fully open-source platform.
For full details, see the [LICENSE file](https://github.com/Arize-ai/phoenix/blob/main/LICENSE).
MCP directory API
We provide all the information about MCP servers via our MCP API.
curl -X GET 'https://glama.ai/api/mcp/v1/servers/Arize-ai/phoenix'
If you have feedback or need assistance with the MCP directory API, please join our Discord server