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MS-Agent

Lightweight Python agent framework for long-running tasks, with skills, sub-agents, A2A and ACP servers, and CLI, TUI and web front ends.

Harness by ModelScope

IndexedApache-2.0★ 4,417
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Install

From the package registry. Read the repository before you give any tool access to your data.

pip install ms-agent

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About

MS-Agent is a modular open-source framework for complex, long-running tasks that combines models, tools, skills and sub-agents under a harness that manages planning, context and permissions. A shared Python SDK backs its CLI, terminal UI and web UI. The docs describe chain workflows, Agent Skills, an A2A protocol server and an ACP protocol server. The docs list OpenAI-compatible, ModelScope and Anthropic models as supported configurations.

Use cases: agent-orchestration

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Fact sheet

Languages
PythonREADME
Packages
ms-agent (pypi)README
Multi-agent
YesREADME
Orchestration
sequentialms-agent-en.readthedocs.io
A2A support
Built inms-agent-en.readthedocs.io
Agent Skills support
Built inms-agent-en.readthedocs.io
Model providers
openai, anthropic, modelscopems-agent-en.readthedocs.io
Maturity
StableREADME

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Alternatives

Frameworks for the same language with a similar way of orchestrating agents.

Signals

Stars
4,417
Forks
533
Open issues
15
Weekly downloads
107
Last commit
Oct 19, 2026 (9 days ago)
Last release
Mar 23, 2026 (7 months ago)
Last package publish
Mar 23, 2026 (7 months ago)

From GitHub (fetched Oct 24, 2026) and the package registry.

Details

Packages
pypi ms-agent
License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Cite this page

MS-Agent. Agent Mart. https://agentmart.dev/harnesses/ms-agent (last updated 2026-10-24)