head to head · open source
nanobot vs mercury-agent
nanobot has 48,372 GitHub stars, 8,548 forks, 775 open issues and last shipped today. mercury-agent has 3,160 stars, 340 forks, 60 open issues and last shipped yesterday. nanobot leads on adoption by 1,431% (48,372 vs 3,160 stars). nanobot is written in Python under MIT; mercury-agent is written in TypeScript under MIT. nanobot has attracted 18% as many forks as stars, mercury-agent 11%. nanobot was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (ai-agent), so they are genuine substitutes rather than adjacent tools.
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
| nanobot | mercury-agent | |
|---|---|---|
| GitHub stars | ★ 48K | ★ 3.2K |
| License | MIT | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-09-20 | 2026-09-19 |
| Forks | ⑂ 8.5K | ⑂ 340 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nanobot if
- You weight community size — 48K stars and counting
- You want the MIT 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 nanobot
nanobot is an ultra lightweight, open source, self hosted personal AI agent framework written in Python, aimed at individual developers and small teams who want to run their own agent through a browser WebUI, a terminal, or chat apps instead of renting a hosted assistant.
read the full nanobot overview →
About mercury-agent
mercury agent is an open source AI agent written in TypeScript and licensed under MIT. It lives in the AI & Machine Learning / AI Interaction & Interfaces ecosystem, with topics ai agent, ai assistant, and llm. The project provides a soul driven agent that uses tools, keeps memory, and connects through CLI, Telegram, or Web.
read the full mercury-agent overview →
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Frequently asked questions
Is nanobot or mercury-agent more popular?
nanobot has 48,372 GitHub stars and mercury-agent has 3,160. nanobot has the larger community by that measure.
Are nanobot and mercury-agent free?
Both are open source. nanobot is licensed under MIT and mercury-agent under MIT. Neither carries a licence fee.
What is the difference between nanobot and mercury-agent?
nanobot 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, nanobot or mercury-agent?
Choose nanobot if you want the larger community (48,372 stars) or its MIT licence terms. Choose mercury-agent if its feature set, stack or MIT licence fits better. Both are self-hostable.