AgentIndex icon
AgentIndex
nanobot logo
nanobot
★ 49.3k
vs
harness-sdk logo
harness-sdk
★ 8.9k

nanobot vs harness-sdk

nanobot: nanobot is an ultra-lightweight, self-hosted personal AI agent framework built in Python, offering a readable core for multi-agent delegation and automation. It supports various interfaces including WebUI, terminal, and chat apps, integrating tools, long-term memory, and OpenAI-compatible APIs.; harness-sdk: This monorepo holds the Strands Agents SDKs for Python and TypeScript plus Strands harness, a fully assembled agent created with one create_harness() call. It runs in your own process and covers the agent loop, tools, MCP, multi-agent patterns, memory, sessions, guardrails, tracing and evals across Bedrock, Anthropic, OpenAI, Gemini and other providers.

01

TL;DR

nanobot logo
nanobotMulti-Agent · ★ 49.3k
When to choose:
  • You want a lightweight, hackable Python personal AI agent framework with clean code, a WebUI, and built-in MCP client support.
  • You prefer an easy-to-read, self-hosted agent core without the enterprise boilerplate of heavy agent frameworks.
When to skip:
  • You require production-grade distributed state checkpointing, strict Pydantic type validation, or multi-role team SOPs; Pydantic AI or CrewAI offer more mature infrastructure.
  • Your production stack is .NET or Go; Microsoft Agent Framework covers those runtimes.
Read nanobot full review →
harness-sdk logo
harness-sdkMulti-Agent · ★ 8.9k

Replacing a hand-rolled agent loop with a maintained SDK

Read harness-sdk full review →
02

Side-by-Side Comparison

Field
nanobot logonanobot
harness-sdk logoharness-sdk
Category
Multi-Agent
Multi-Agent
Stars
★ 49.3k
★ 8.9k
License
MIT
Apache-2.0
Install Command
curl -fsSL https://raw.githubusercontent.com/HKUDS/nanobot/main/scripts/install.sh | sh
pip install strands-harness
Updated
1d ago
1d ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
AI Agent Framework, Self-hosted, Python
agent-sdk, python, typescript
03

Features

nanobot logonanobot
01Persistent workflows: goals, memory, tools, and chat context survive long-running work.
02Chat-native reach: WebUI, API, Telegram, Feishu, Slack, Discord, Teams, email, and Mattermost.
03Model freedom: OpenAI-compatible APIs, local LLMs, image generation, search, and fallbacks.
04Small core: readable internals with MCP, memory, deployment, and automation built in.
05Own your stack: inspect, customize, self-host, and extend without a giant platform.
harness-sdk logoharness-sdk
01Strands harness: a ready-made agent with default model, tools, memory, sessions and context management
02Lower-level SDKs in Python (3.10+) and TypeScript (Node 22+) to own the agent loop yourself
03Lifecycle controls such as turn limits, token budgets, cancellation and hooks on every step
04Built-in MCP, structured output, streaming, multi-agent patterns, guardrails, tracing and evals
05Model portability across Amazon Bedrock, Anthropic, OpenAI, Gemini, Ollama and custom providers
04

Use Cases

nanobot logonanobot
↳Running long-horizon goals and scheduled automations.
↳Connecting to various chat applications like Telegram, Discord, Slack for AI interaction.
↳Exposing a Python SDK and OpenAI-compatible API for custom integrations and development.
↳Deploying as a long-running local or server-side agent gateway.
harness-sdk logoharness-sdk
↳Replacing a hand-rolled agent loop with a maintained SDK
↳Building production agents on AWS with Bedrock models
↳Prototyping a coding or research agent quickly with the harness and CLI
↳Adding tracing, guardrails and evals to existing agent code
05

Best For

nanobot logonanobot
Most PopularEssential
harness-sdk logoharness-sdk
EssentialTrending
FAQ

FAQ

What is the difference between nanobot and harness-sdk?
Both nanobot and harness-sdk are in the Multi-Agent category. nanobot has 49.3k stars, while harness-sdk has 8.9k stars.
Which is better, nanobot or harness-sdk?
The best choice depends on your use case. Choose nanobot if Running long-horizon goals and scheduled automations., and harness-sdk if Replacing a hand-rolled agent loop with a maintained SDK.
Is nanobot free or open source?
Yes, nanobot is open source on GitHub (MIT).
Is harness-sdk free or open source?
Yes, harness-sdk is open source on GitHub (Apache-2.0).
Cloud Infrastructure
Ad

Deploy on DigitalOcean

Host your MCP servers, Docker containers, and AI agents with $200 free credit over 60 days.

Claim $200 Free Credit
→

Related

Alternatives to nanobot →Alternatives to harness-sdk →nanobot details →harness-sdk details →nanobot vs Pydantic AI →