Cost Track

功能

• Auto-capture per-session token usage
• Persist usage to AgentDB
• Calculate USD cost based on model pricing
• Support for environment variable overrides
• Dry-run capability

使用场景

• Capturing spend after a meaningful chunk of work
• Persisting final tally at session end
• Periodically capturing costs during long sessions
• Providing data for cost reporting and optimization tools

非目标

• Directly managing LLM provider accounts or billing
• Real-time alerting for budget overruns (this is a producer for other skills)
• Providing detailed analysis of *why* tokens were used

工作流

1. Run the tracker script from the project root
2. Script auto-discovers session jsonl or uses TRACK_SESSION env var
3. Calculate cost using defined pricing
4. Persist structured record to AgentDB cost-tracking namespace
5. Inspect markdown summary and verify persistence

实践

• Cost Tracking
• Session Management

先决条件

• Claude Code environment
• Access to session jsonl files
• AgentDB namespace configured