# Best Python agent infrastructure

> The open-source agent infrastructure written in Python, from the Agent Search Engine index — ranked by real maintained adoption (GitHub stars and recent commit activity), never by sponsorship. Every project here is Python-first, self-hostable, and free to run; the trade-off is you host and maintain it yourself.

Right now it's led by mem0 (61k stars), with cua and Bindu close behind. Rankings shift as projects gain stars and ship commits.

6 open-source records, ranked by maintained GitHub adoption; sponsorship never affects the ranking. Browse on the web: https://agentsearchengine.app/best/python-agent-infrastructure

## Ranked

1. [mem0](https://agentsearchengine.app/agents/mem0) — Universal memory layer for AI Agents · Open source · Infrastructure · 61k★ · Python · Apache-2.0 · active today · best for adding a persistent memory layer to agents across sessions and users
2. [cua](https://agentsearchengine.app/agents/cua) — Open-source infrastructure for Computer-Use Agents. Sandboxes, SDKs, and benchmarks to train and evaluate AI agents that can control full desktops (macOS, Linux, Windows). · Open source · Infrastructure · 20k★ · Python · MIT · active today
3. [Bindu](https://agentsearchengine.app/agents/bindu) — Bindu: The identity, communication, and payments layer for AI agents. · Open source · Infrastructure · 7.8k★ · Python · active 1 day ago
4. [klavis](https://agentsearchengine.app/agents/klavis) — Klavis AI: MCP integration platforms that let AI agents use tools reliably at any scale · Open source · Infrastructure · 5.8k★ · Python · Apache-2.0 · active 1 month ago
5. [mcpo](https://agentsearchengine.app/agents/mcpo) — A simple, secure MCP-to-OpenAPI proxy server · Open source · Infrastructure · 4.3k★ · Python · MIT · active 2 months ago
6. [MCP-Bridge](https://agentsearchengine.app/agents/mcp-bridge) — A middleware to provide an openAI compatible endpoint that can call MCP tools · Open source · Infrastructure · 930★ · Python · MIT · active 7 months ago

## FAQ

**What are the best Python agent infrastructure?**
The Python projects listed below, ranked by maintained adoption — GitHub stars plus recent commit activity — so you see what's genuinely used and still maintained, not abandoned.

**Are these Python agent infrastructure open source and free?**
Yes — every project on this page is open source and written primarily in Python. The software is free to run and self-host; you still pay for the infrastructure you run it on and any model or API usage it makes.

**Why choose Python agent infrastructure specifically?**
Staying in your team's primary language — Python — makes self-hosting, extending, and debugging far easier, because you can read and modify the source directly instead of treating it as a black box.

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Source: [Agent Search Engine](https://agentsearchengine.app) — https://agentsearchengine.app/best/python-agent-infrastructure