Self-host mosoo
v0.7.0API-first managed runtime for coding agents
- Stars
- 166
- Ports
- 8787 (API Worker), 5173 (Console (Web Worker))
- Requires
- Cloudflare Containers, Cloudflare D1, Cloudflare Durable Objects, Cloudflare Queues, Cloudflare R2, Cloudflare Workers, Docker
What is mosoo?
An open-source runtime that lets your backend run coding agents through one API. Each job gets its own sandbox that keeps working files and conversation history between turns. The platform handles execution, sandboxing, checkpoints, live event streams, and usage metrics while your app controls business logic and user auth. It runs on Cloudflare's platform and you supply your own model API keys. Still in Alpha so APIs may shift. To self-host you need a Cloudflare account with those services plus a domain on Cloudflare DNS; local dev uses bun, just, and Docker.
Should you self-host mosoo?
mosoo scores 42/100 on selfhost.directory (how scoring works) and ranks #163 of 209 in AI Agents. It has 166 GitHub stars.
It shipped 8 stable releases in the past year. The latest, v0.7.0, came out on 10 October 2026. New versions land roughly every 4 days.
Setup is advanced: plan for several services and some ongoing maintenance. It is Apache-2.0-licensed and written mostly in Typescript.
Its closest alternative on selfhost.directory is Orca (91/100, 108 739 stars). It scores higher overall, so compare the two before you pick. See mosoo vs Orca side by side.
Features
- Agent Presets
- Bring-your-own model keys
- Environments
- Event Streaming (SSE)
- Isolated Sandboxes
- Managed Files
- Project-based Multi-tenancy
- Skills and MCP Servers
- Tool Streaming
- Unified Agent API
- Usage Tracking
mosoo README
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