Dev-Agent-Lens
> OBSERVABILITY_PLATFORM.init()
Industry-first open-source observability and tracing proxy for Claude Code and AI developer agents. Comprehensive monitoring, cost tracking, and performance analysis through OpenTelemetry-compliant spans.
// Built in collaboration with Alex Owen, CEO of Teraflop Inc.
Key_Capabilities
// Industry-first observability for AI developer agents
[1] AI Agent Observability
First open-source solution for comprehensive Claude Code monitoring and tracing
[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
Architecture Overview
Proxy-based observability layer for AI developer agents
Claude Code
AI Developer Agent
Dev-Agent-Lens
Observability Proxy
Arize AI / Phoenix
Observability Backend
LiteLLM Integration
- • OAuth2 passthrough support
- • Claude Code Max compatibility
- • Request routing & transformation
OpenTelemetry Spans
- • LLM request tracing
- • Tool call monitoring
- • Performance metrics
Observability Features
- • Cost tracking & analysis
- • Token usage monitoring
- • Real-time evaluation
Technical Implementation
Built with modern technologies for scalability and extensibility
Core Proxy Layer
TypeScript-based proxy that intercepts and routes Claude Code API calls through LiteLLM while maintaining full compatibility.
LiteLLM Enhancement
Custom fork implementing OAuth2 passthrough for Claude Code Max, enabling secure authentication flow preservation.
Observability Stack
Comprehensive monitoring with OpenTelemetry spans sent to Arize AI or self-hosted Phoenix for analysis.
Platform Features
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
Use_Cases
Enabling observability for various AI agent workflows
Code Review Agents
Monitor and optimize automated code review processes, tracking token usage and review quality metrics.
Security Analysis
Track security scanning workflows and vulnerability detection patterns with detailed tracing.
Incident Response
Monitor AI-assisted incident response workflows, measuring response times and resolution effectiveness.
Documentation Generation
Observe and optimize automated documentation workflows, ensuring quality and completeness.
Pioneering AI Agent Observability
Industry-First Solution: Dev-Agent-Lens represents the first open-source observability solution specifically designed for Claude Code and AI developer agents. Built in collaboration with Teraflop Inc., this project addresses a critical gap in the AI development ecosystem by providing comprehensive monitoring, cost tracking, and performance analysis capabilities.
The implementation of OAuth2 passthrough in our LiteLLM fork enables seamless integration with Claude Code Max, while maintaining full security and authentication flows. This breakthrough allows developers to gain unprecedented visibility into their AI agent workflows without compromising functionality or security.