License

Poly MCP is open source software licensed under the MIT License.

MIT License

Copyright (c) 2025 Polysystems Inc.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

What This Means

The MIT License is a permissive free software license that allows you to:

✅ Commercial Use

You can use Poly MCP in commercial projects and applications without any restrictions or fees.

✅ Modification

You can modify the source code to suit your needs and create derivative works.

✅ Distribution

You can distribute copies of Poly MCP, modified or unmodified, to anyone.

✅ Private Use

You can use and modify Poly MCP for private purposes without sharing your changes.

✅ Sublicensing

You can grant the rights to use, modify, and distribute Poly MCP to others.

⚠️ Limitation of Liability

The software is provided "as is" without warranty. The authors are not liable for any damages or issues arising from its use.

📋 License Notice Required

You must include the MIT License text and copyright notice in all copies or substantial portions of the software.

Third-Party Licenses

Poly MCP depends on several open source libraries, each with their own licenses:

Rust Dependencies

  • tokio - MIT License
  • serde - MIT OR Apache-2.0
  • serde_json - MIT OR Apache-2.0
  • anyhow - MIT OR Apache-2.0
  • thiserror - MIT OR Apache-2.0
  • clap - MIT OR Apache-2.0
  • notify - CC0-1.0 (Public Domain)
  • walkdir - Unlicense OR MIT
  • reqwest - MIT OR Apache-2.0
  • html2md - MIT
  • git2 - MIT OR Apache-2.0
  • chrono - MIT OR Apache-2.0
  • sysinfo - MIT
  • tiktoken-rs - MIT
  • tracing - MIT
  • tracing-subscriber - MIT

All third-party dependencies are compatible with the MIT License used by Poly MCP.

Contributing

By contributing to Poly MCP, you agree that your contributions will be licensed under the MIT License.

For contribution guidelines, see our GitHub repository.

Questions?

If you have questions about licensing or commercial use:

Full License Text

You can find the complete MIT License text in the LICENSE file in the root of the Poly MCP repository:

github.com/polysystems/mcp/blob/main/LICENSE

Last updated: January 2026