Show HN: Posse – Open-Source Web UI for Anthropic Managed Agents

Category: devtools

Tags: ai-agents, web-ui, anthropic, developer-tools

Score: 5.5/10 (Innovation: 4, Technical: 5, Documentation: 7, Utility: 6)

Posse is an open-source web UI for Anthropic's Managed Agents, providing a visual interface to create agents, run sessions, manage memory, and observe tool execution in real-time. It's interesting because it fills a significant usability gap for a powerful but API-only AI agent infrastructure, enabling a better feedback loop for developers building with multi-agent systems.

Target audience: backend devs, ai engineers, devops

Repository: https://github.com/oguzbilgic/posse · TypeScript

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