McpAttributes
MCP (Model Context Protocol) specific attributes following OpenTelemetry semantic conventions. Based on: https://github.com/open-telemetry/semantic-conventions/blob/main/docs/registry/attributes/mcp.md https://github.com/open-telemetry/semantic-conventions/blob/main/model/mcp/common.yaml
These attributes are used for instrumenting MCP client operations including:
Tools operations
Session management
Protocol version information
TODO: Resources and prompts operations