Module plugin_usage 

Plugin usage analytics module

Aggregates tool usage from SessionMetadata to classify and rank plugins:

• Skills (.claude/skills/)
• Commands (.claude/commands/)
• MCP Servers (mcp__server__tool format)
• Agents (Task tool with subagent_type)
• Native Tools (Read, Write, Edit, Bash, etc.)

Provides metrics on total invocations, cost attribution, dead code detection.

Structs

PluginAnalytics

Complete plugin analytics data

PluginUsage

Usage statistics for a single plugin

Enums

PluginType

Plugin classification by origin

Functions

aggregate_plugin_usage

Aggregate plugin usage from sessions