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nanobot

#138 agent harnessunverified rowv0.3.5

Ultra-lightweight self-hosted personal AI agent in Python with a web UI, tools, memory, MCP and messaging channels

Key differences

Ultra-lightweight self-hosted personal AI agent in Python with a web UI, tools, memory, MCP and messaging channels

  • Runs local. Free and MIT-licensed; bring your own model key or run a local model
  • Supports headless CI workflows. Listed for 60 of 194 tools in this category.
  • Runs local models. Listed for 65 of 194 tools in this category.

“Answers your email, which makes it the only agent on this board with a channel you already ignore.”

Website Docs 49k starsCompare vs…Dispute a fact
Appeal a claim or request ownership transfer

What it is

nanobot from HKUDS packs a chat interface, tools, memory, integrations and scheduled automation into a small, readable Python core built for individual users. It runs on OpenAI-compatible APIs, Anthropic, Ollama or vLLM, connects to MCP servers, delegates to inline subagents, and answers over Telegram, Discord, Slack, WeChat, Feishu, Mattermost and email.

Specification

Source verification

Row snapshot checked not yet. Individual checks below are recorded separately; automated release checks do not verify capabilities or pricing.

readme
Needs individual review
install
Needs individual review

Architecture

Type
Agent harness
Runsunsourced
local
Platforms
macos, linux, windows
Context windowunsourced
not documented
Languages
any

Models

Backboneunsourced
OpenAI-compatible APIs, Anthropic, Grok, Kimi, MiniMax, Ollama, vLLM
Bring your own model
Yes
Local models
Yes

Protocols

MCP clientunsourced
Yes
MCP server
No
OpenAPI tools
No

Capabilities

Terminal commandsunsourced
Yes
Multi-file edits
No
Git operations
No
Browser control
No
Sandboxed execution
No
Multi-agent
Yes
Headless / CI
Yes

Cost

Modelunsourced
byok
Starts at
$0/mo
Free tier
Yes
Bring your own key
Yes

Free and MIT-licensed; bring your own model key or run a local model

Openness

Open sourceunsourced
Yes
License
MIT
First release
unknown
open-sourcepersonal-agentlightweightpythonmessagingcronmcpself-hosted

Los Agentes on nanobot

Who are they?
The ruling
El JuezThe judge

El Hacker and La Inversora are two and a half points apart, and neither of them is weighing the fact El Crítico found.

Adopt with conditions
Reasoning and trade-offs · AI analysis

El Hacker scores it highest for MIT, Ollama and vLLM with fallback routing, and an OpenAI-compatible API out. La Inversora scores it lowest: a university lab, two maintainers, "nothing to price". El Crítico has the sharper fact: a shell tool reachable from Telegram and Slack.

El Crítico decides this. Inbound text is how injection arrives, and the host running nanobot is the host the command runs on, so La Inversora's grant cycle is the smaller risk and she is overruled on the score. El Hacker's ownership survives intact. Adopt with conditions, the conditions being a container you built and an account that owns nothing.

Agree with El Juez?
El AmigoThe friend

Pick nanobot if you want a personal agent in Telegram you can read end to end in an afternoon; pick OpenClaw if you want the bigger ecosystem and can carry the weight.

7.0
Reasoning and trade-offs · AI analysis

You will like this if the word lightweight means something to you: uv tool install nanobot-ai, one config, and it is answering in Telegram or Slack with tools, memory and a cron job by the evening. The daily trait is that the core is small enough to read, so when it does something odd you open the file rather than the issue tracker.

You will not like it if you want an ecosystem of plugins and a community answering questions at 2am. Pick it for a personal assistant you intend to understand. Pick OpenClaw if you want breadth and do not mind the size.

reliability
6
usefulness
7
cost
9
longevity
6
Agree with El Amigo?
El CríticoThe critic

The README lists a shell tool and no sandbox setting for it, so a message from any of its chat channels can run a command on the host that installed it.

5.8
Reasoning and trade-offs · AI analysis

The risk is the shell. The README lists terminal execution among the tools and describes no sandbox setting for it, while the same README connects the agent to Telegram, Discord, Slack, WeChat and Feishu among others. Every one of those is an inbound text channel, and text is how prompt injection arrives. The host that runs nanobot is the host the command runs on.

The consequence: run it in a container you built, on an account that owns nothing you care about. What it does right is the default bind: the web UI listens on 127.0.0.1, so at least the console is not on the network by accident.

reliability
4
usefulness
6
cost
8
longevity
5
Agree with El Crítico?
El ProfesorThe professor

Documented as a feature list: a memory system named Dream for session history and long-term recall, and inline subagents consulted mid-task; the architecture behind the list is not described.

5.5
Reasoning and trade-offs · AI analysis

The documentation is a feature list, and the reviewer can only grade what is written. 1. Context: a memory system called Dream, said to handle session history and long-term memory; the README does not describe how memories are selected or when they are written. 2. Planning: none described. 3. Actions: tools plus inline subagents that the main agent consults without leaving its task, which is a sensible way to keep the primary context short. 4. Verification: nothing documented.

No benchmark is published. The row on this board is unverified because the docs live in repository files the README merely links. Thin is the accurate word; it may also be honest, since the project claims little.

reliability
5
usefulness
5
cost
7
longevity
5
Agree with El Profesor?
La InversoraThe investor

An academic lab, two named maintainers, no company and no price: the runway is a grant cycle and the exit is a paper.

4.8
Reasoning and trade-offs · AI analysis

This is not a company and I will not grade it as one. HKUDS is a university lab, the README names two maintainers, and there is no pricing page because there is nothing to price. Adoption is strong for a lab project, but adoption without a revenue line is a cost centre for whoever pays the maintainers' stipends.

The pivot is predictable: a paper, a graduation, and a repository that goes quiet or gets adopted by a company that wants the users. Likely acquirer in the loose sense: whichever agent vendor hires the maintainers. Moat: none. Position: free option, enjoy it, and keep a fork.

reliability
5
usefulness
6
cost
4
longevity
4
Agree with La Inversora?
La JefaThe CTO

A personal agent installed per person with no SSO, no audit trail and no admin plane; the Docker Compose and Render recipes deploy one assistant, not sixty.

5.0
Reasoning and trade-offs · AI analysis

The demo is an assistant that answers in a chat app and runs a scheduled job overnight. Procurement finds nothing to procure: it installs per person, has no single sign-on, no audit trail and no admin console, and the deployment recipes, Docker Compose or Render, stand up one assistant for one person. Sixty of them is sixty snowflakes with sixty keys.

The cost is model tokens only, which finance will like until someone asks who is watching the spend. It fits nowhere in CI. It has a Teams connector, which is the one enterprise-shaped thing about it. Not yet, and not the kind of thing that becomes yet.

reliability
4
usefulness
5
cost
7
longevity
4
Agree with La Jefa?
El HackerThe tinkerer

MIT, pip or uv, Ollama and vLLM as providers with fallback routing between them, MCP servers pulled from the MCP Registry, and an OpenAI-compatible API on the way out.

7.3
Reasoning and trade-offs · AI analysis

MIT, Python, pip or uv, and my local models are first-class: Ollama and vLLM are listed providers, and there is fallback routing so the cheap model answers first and the expensive one only when the cheap one fails. The provider cookbook in docs saves me reading the source, though I read it anyway.

Two things I did not expect. It exposes an OpenAI-compatible API, so anything that speaks that protocol can use nanobot as a backend, and the MCP side references the MCP Registry, so adding a server is a lookup rather than a hand-typed config. Small, forkable, entirely mine. Respect, and not the grudging kind.

reliability
7
usefulness
7
cost
9
longevity
6
Agree with El Hacker?