Show HN: Endo – A Higher-Order Harness

Category: ai-ml

Tags: agent-orchestration, ai-agents, workflows, desktop-app, typescript

Score: 7.0/10 (Innovation: 8, Technical: 8, Documentation: 6, Utility: 6)

Endo is a higher-order harness that composes multiple AI agents (Codex, Claude Code, Antigravity, Grok) into unified workflows using existing subscriptions. It enables mid-thread agent switching, parallel fan-out, and persistent sessions, making it a flexible desktop tool for agent orchestration.

Target audience: AI developers, backend engineers, and power users integrating multiple LLM agents

Repository: https://github.com/longsurf-ai/endo · TypeScript · MIT · 97 stars

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