--- title: "agent-framework vs marvin" type: "comparison" canonical_url: "https://www.graphcanon.com/compare/microsoft-agent-framework-vs-prefecthq-marvin" tools: ["microsoft-agent-framework", "prefecthq-marvin"] --- # agent-framework vs marvin *GraphCanon updated Aug 16, 2026* ## Verdict Pick agent-framework if the agent-framework provides tools for developers to build and deploy AI agents and multi-agent workflows in Python and .NET environments; pick marvin if python-based ambient AI for agent and chatbot development with LLM interaction, Apache-2.0 licence. [agent-framework](https://aka.ms/agent-framework) reports 13k GitHub stars, 2.1k forks, and 685 open issues, last pushed Aug 10, 2026. [marvin](https://marvin.mintlify.app) has 6.2k stars, 410 forks, and 111 open issues, last pushed Jul 31, 2026. Figures are from public GitHub metadata via [agent-framework's repository](https://github.com/microsoft/agent-framework) and [marvin's repository](https://github.com/PrefectHQ/marvin). | | [agent-framework](/tools/microsoft-agent-framework.md) | [marvin](/tools/prefecthq-marvin.md) | | --- | --- | --- | | Tagline | Framework for building and deploying AI agents and multi-agent workflows | an ambient intelligence library | | Stars | 12,718 | 6,189 | | Forks | 2,143 | 410 | | Open issues | 685 | 111 | | Language | Python | Python | | Adopt for | The agent-framework provides tools for developers to build and deploy AI agents and multi-agent workflows in Python and .NET environments. | Python-based ambient AI for agent and chatbot development with LLM interaction, Apache-2.0 licence | | Persona | - | - | | Runtime | - | - | | License | MIT | Apache-2.0 license, permissive free software license | | Categories | AI Agents, Developer Tools | AI Agents | ## Trust and health _Sourced signals - not a safety guarantee. No winner column._ | | [agent-framework](/tools/microsoft-agent-framework.md) | [marvin](/tools/prefecthq-marvin.md) | | --- | --- | --- | | Maintenance | Very active (96%) | Active (82%) | | Days since push | 0d | 15d | | Open issues (now) | 685 | 111 | | Stars delta | Unknown | +10 (30d) | | Open issues delta | Unknown | +3 (30d) | | Full report | [trust report](/tools/microsoft-agent-framework/trust.md) | [trust report](/tools/prefecthq-marvin/trust.md) | ## Decision facts: agent-framework - **Requirements:** Python version 3.6 or newer is required for Python installations.; The .NET Core SDK must be installed for utilizing the .NET packages. - **Adopt for:** The agent-framework provides tools for developers to build and deploy AI agents and multi-agent workflows in Python and .NET environments. ## Decision facts: marvin - **Adopt for:** Python-based ambient AI for agent and chatbot development with LLM interaction, Apache-2.0 licence - **License detail:** Apache-2.0 license, permissive free software license ## Choose when ### Choose agent-framework if… - License: agent-framework is MIT, marvin is Apache-2.0. - Requirements: Python version 3.6 or newer is required for Python installations.; The .NET Core SDK must be installed for utilizing the .NET packages.. - Tags unique to agent-framework: agent-framework, agentic-ai, multi-agent, orchestration. - Also covers Developer Tools. - Choose agent-framework if your project requires support for both Python and .NET, allowing you to develop across different ecosystems. ### Choose marvin if… - License: marvin is Apache-2.0, agent-framework is MIT. - Tags unique to marvin: ai, ambient-ai, chatbots, gpt. - You need to develop agents or chatbots that integrate ambient intelligence ## When NOT to use agent-framework - Avoid using the agent-framework if your team does not have proficiency in either Python or.NET, as this may cause difficulties in leveraging its features effectively. - Do not opt for agent-framework if you only need lightweight support for AI agents without a comprehensive orchestration and deployment framework. ## When NOT to use marvin - You are looking for a framework without direct LLM integration capabilities - Your project does not involve agent or chatbot creation ## Common questions ### What is the difference between agent-framework and marvin? agent-framework: Framework for building and deploying AI agents and multi-agent workflows. marvin: an ambient intelligence library. See the comparison table for live GitHub stats and shared categories. ### When should I choose agent-framework over marvin? Choose agent-framework over marvin when License: agent-framework is MIT, marvin is Apache-2.0; Requirements: Python version 3.6 or newer is required for Python installations.; The .NET Core SDK must be installed for utilizing the .NET packages.; Tags unique to agent-framework: agent-framework, agentic-ai, multi-agent, orchestration; Also covers Developer Tools; Choose agent-framework if your project requires support for both Python and .NET, allowing you to develop across different ecosystems. ### When should I choose marvin over agent-framework? Choose marvin over agent-framework when License: marvin is Apache-2.0, agent-framework is MIT; Tags unique to marvin: ai, ambient-ai, chatbots, gpt; You need to develop agents or chatbots that integrate ambient intelligence. ### When should I avoid agent-framework? Avoid using the agent-framework if your team does not have proficiency in either Python or.NET, as this may cause difficulties in leveraging its features effectively. Do not opt for agent-framework if you only need lightweight support for AI agents without a comprehensive orchestration and deployment framework. ### When should I avoid marvin? You are looking for a framework without direct LLM integration capabilities Your project does not involve agent or chatbot creation ### Is agent-framework or marvin more popular on GitHub? agent-framework has more GitHub stars (12,718 vs 6,189). Stars measure visibility, not whether either tool fits your constraints. ### Are agent-framework and marvin open source? Yes - both are open-source projects on GitHub (agent-framework: MIT, marvin: Apache-2.0). ### Where can I find alternatives to agent-framework or marvin? GraphCanon lists graph-backed alternatives at [agent-framework alternatives](/tools/microsoft-agent-framework/alternatives) and [marvin alternatives](/tools/prefecthq-marvin/alternatives) ([agent-framework markdown twin](/tools/microsoft-agent-framework/alternatives.md), [marvin markdown twin](/tools/prefecthq-marvin/alternatives.md)), ranked by typed relationship edges rather than popularity votes. ### Is there a machine-readable version of this comparison? Yes. The markdown twin at [this comparison](/compare/microsoft-agent-framework-vs-prefecthq-marvin.md) mirrors this page for agents and LLM crawlers, with the same stats table and FAQ answers. ### Which is better maintained, agent-framework or marvin? agent-framework: Very active. marvin: Active. Compare maintenance labels, days since push, and release cadence in the trust section below - stars alone do not measure maintenance. ### Where are the full trust reports for agent-framework and marvin? GraphCanon publishes per-repo trust reports with dated maintenance, provenance, and scan summaries: [agent-framework trust report](/tools/microsoft-agent-framework/trust); [marvin trust report](/tools/prefecthq-marvin/trust). --- **Machine-readable endpoints** - JSON: [`/api/graphcanon/graph?tool=microsoft-agent-framework`](/api/graphcanon/graph?tool=microsoft-agent-framework) - LLM index: [/llms.txt](/llms.txt) - Full corpus: [/llms-full.txt](/llms-full.txt) _GraphCanon - The knowledge graph for AI development. https://www.graphcanon.com/_