Dev-Agent-Lens
> OBSERVABILITY_PLATFORM.init()
Open-source observability proxy for Claude Code. Traces every LLM call, tracks costs, and sends OpenTelemetry spans to Arize AI or self-hosted Phoenix.
// Built in collaboration with Alex Owen, CEO of Teraflop Inc.
Key_Capabilities
// What it does
[1] AI Agent Observability
First open-source tracing solution built specifically for Claude Code
[2] OAuth2 Passthrough
Implemented OAuth2 passthrough support for Claude Code Max in LiteLLM fork
[3] Cost & Performance Tracking
Real-time monitoring of token usage, costs, and performance bottlenecks
[4] Industry Recognition
Featured on Arize AI blog and discussed on Hacker News and Reddit
Technical_Stack
Community_Recognition
Featured across the AI developer community
“Claude Code Observability and Tracing: Introducing Dev-Agent-Lens”
Active discussion on YCombinator's Hacker News
Community discussion on Claude Code tracing
Main project repository with 27+ stars
OAuth2 passthrough implementation for Claude Code Max