Lookspan: local-first observability for AI agents

📰 Dev.to AI

Learn about Lookspan, a local-first observability tool for AI agents that runs locally and doesn't require SaaS or infrastructure costs

intermediate Published 3 Jun 2026
Action Steps
  1. Run Lookspan locally using the command npx lookspan
  2. Configure Lookspan to ingest spans/traces from your AI agents
  3. View real-time dashboard at http://127.0.0.1:3100
  4. Test Lookspan with your AI agents to monitor their performance
  5. Apply Lookspan to your development workflow to improve observability and debugging
Who Needs to Know This

Developers and DevOps teams working with AI agents can benefit from Lookspan's local-first approach to observability, allowing for cost-effective and secure monitoring of their agents

Key Insight

💡 Lookspan provides a cost-effective and secure way to monitor AI agents locally, without relying on SaaS or infrastructure costs

Share This
🚀 Introducing Lookspan: local-first observability for AI agents! 📊 Run locally, no SaaS or infra costs. #AI #Observability

Key Takeaways

Learn about Lookspan, a local-first observability tool for AI agents that runs locally and doesn't require SaaS or infrastructure costs

Full Article

Most LLM observability tools are SaaS — your prompts leave your machine and you pay per event. Lookspan is the opposite: one command, runs locally, your data never leaves your box, infra cost zero. npx lookspan # → http://127.0.0.1:3100 It ingests spans/traces from your agents into a local SQLite database and shows them in a real-time dashboard:
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