Songyun

Deep Research
SuperAgent

A SuperAgent harness that researches, codes, and creates. With the help of sandboxes, memories, tools, skills and subagents, it handles different levels of tasks that could take minutes to hours.

Agent Skills
Agent Skills are loaded progressively — only what's needed, when it's needed.
Extend Songyun with your own skill files, or use our built-in library.
Click to play
/mnt/skills/
deep-search
SKILL.md
biotech.md
computer-science.md
physics.md
frontend-design
SKILL.md
deploy
SKILL.md
scripts
deploy.sh
Songyun Agent
Ask Songyun anything...
Agent Runtime Environment

We give Songyun a "computer", which can execute commands, manage files, and run long tasks — all in a secure Docker-based sandbox

pygame==2.5.0
✔ Installed pygame
✔ Written 156 lines
✔ All sprites loaded
✔ Physics engine OK
✔ 60 FPS stable
Downloaded 12.4 MB

Open-source

AIO Sandbox

We recommend using All-in-One Sandbox that combines Browser, Shell, File, MCP and VSCode Server in a single Docker container.

IsolatedSafePersistentMountable FSLong-running
What Songyun Can Do
A full-stack SuperAgent, from deep research to hands-on execution
Context Engineering

Long/Short-term Memory

Now the agent can better understand you
Long Task Running

Planning and Sub-tasking

Plans ahead, reasons through complexity, then executes sequentially or in parallel
Extensible

Skills and Tools

Plug, play, or even swap built-in tools. Build the agent you want.
Persistent

Sandbox with File System

Read, write, run — like a real computer
Flexible

Multi-Model Support

Doubao, DeepSeek, OpenAI, Gemini, etc.
Yours

Own Your Stack

Self-hosted, full control