head to head · open source
ComfyUI vs mercury-agent
ComfyUI has 144,907 GitHub stars, 17,244 forks, 4,894 open issues and last shipped yesterday. mercury-agent has 3,810 stars, 392 forks, 60 open issues and last shipped yesterday. ComfyUI leads on adoption by 3,703% (144,907 vs 3,810 stars). ComfyUI is written in Python under GPL-3.0; mercury-agent is written in TypeScript under MIT. ComfyUI has attracted 12% as many forks as stars, mercury-agent 10%. mercury-agent was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| ComfyUI | mercury-agent | |
|---|---|---|
| GitHub stars | ★ 145K | ★ 3.8K |
| License | GPL-3.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-11-04 | 2026-11-04 |
| Forks | ⑂ 17K | ⑂ 392 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick ComfyUI if
- You weight community size — 145K stars and counting
- You want the GPL-3.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick mercury-agent if
- You want the mercury-agent feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and mercury-agent fits your workflow better
About ComfyUI
ComfyUI The most powerful and modular AI engine for content creation. [![Website][website shield]][website url] [![Dynamic JSON Badge][discord shield]][discord url] [![Twitter][twitter shield]][twitter url] [![Matrix][matrix shield]][matrix url] [![][github release shield]][github release link] [![][github release date shield]][github release link] [![][github downloads shield]][github downloads link] [![][github downloads latest shield]][github downloads link] [matrix shield]: [matrix url]: [website shield]: [website url]: [discord shield]: [discord url]: [twitter shield]: [twitter url]: [github release…
read the full ComfyUI overview →
About mercury-agent
Soul driven AI agent with permission hardened tools, token budgets, and multi channel access. Remembers what matters. Asks before it acts. Runs 24/7 from CLI, Telegram, or Web. 31 built in tools, Kanban boards, extensible skills, SQLite backed Second Brain memory. 🔖 Current Stable: v1.2.3 English 简体中文 Quick Start One liner install (no Node.js required) — downloads the latest standalone binary for your OS: Or via npm if you already have Node.js 20+: Or install the npm package globally: First run triggers the setup wizard (name, provider, optional Telegram). After setup, Mercury opens the Ink TUI startup screen…
read the full mercury-agent overview →
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Frequently asked questions
Is ComfyUI or mercury-agent more popular?
ComfyUI has 144,907 GitHub stars and mercury-agent has 3,810. ComfyUI has the larger community by that measure.
Are ComfyUI and mercury-agent free?
Both are open source. ComfyUI is licensed under GPL-3.0 and mercury-agent under MIT. Neither carries a licence fee.
What is the difference between ComfyUI and mercury-agent?
ComfyUI is written in Python and mercury-agent in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, ComfyUI or mercury-agent?
Choose ComfyUI if you want the larger community (144,907 stars) or its GPL-3.0 licence terms. Choose mercury-agent if its feature set, stack or MIT licence fits better. Both are self-hostable.