# Can I use gRPC for trace collection?
Phoenix does natively support gRPC for trace collection post 4.0 release. See [Configuration](https://arize.com/docs/phoenix/self-hosting/configuration) for details.
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