Merge pull request #127 from anthropics/docs/license-and-contributing

chore: Add CONTRIBUTING.md

CONTRIBUTING.md

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+# Contributing to MCPB
+
+Thank you for your interest in contributing to MCPB! We welcome contributions from the community.
+
+## Getting Started
+
+1. Fork the repository
+2. Clone your fork: `git clone https://github.com/YOUR_USERNAME/mcpb.git`
+3. Install dependencies: `yarn`
+4. Build the project: `yarn build`
+5. Run tests: `yarn test`
+
+## Development Workflow
+
+1. Create a new branch for your feature or bugfix: `git checkout -b feature/your-feature-name`
+2. Make your changes
+3. Run linting: `yarn lint`
+4. Run tests to ensure everything passes: `yarn test`
+5. Commit your changes with a clear, descriptive commit message (all commits must be signed - see [Commit Signing](#commit-signing))
+6. Push to your fork and submit a pull request
+
+## Code Standards
+
+- **TypeScript**: All code should be written in TypeScript with proper type definitions
+- **Linting**: Run `yarn lint` before committing. Use `yarn fix` to auto-fix formatting issues
+- **Testing**: Add tests for new features and bug fixes
+- **Documentation**: Update relevant documentation (README.md, MANIFEST.md, etc.) when adding or changing functionality
+
+## Commit Signing
+
+**All commits must be signed.** This helps verify the authenticity of contributions.
+
+To set up commit signing, see [GitHub's documentation on commit signature verification](https://docs.github.com/en/authentication/managing-commit-signature-verification).
+
+## Pull Request Process
+
+1. Ensure your PR description clearly describes the problem and solution
+2. Reference any related issues in your PR description
+3. Make sure all tests pass and linting is clean
+4. Verify that all commits are signed
+5. Update documentation as needed
+6. Wait for review from maintainers
+
+## Types of Contributions
+
+### Bug Reports
+
+When filing a bug report, please include:
+- Clear description of the issue
+- Steps to reproduce
+- Expected vs actual behavior
+- Version information (`mcpb --version`)
+- Relevant logs or error messages
+
+### Feature Requests
+
+We welcome feature suggestions! Please:
+- Clearly describe the feature and use case
+- Explain why this would be valuable to users
+- Consider if it aligns with the project's goals
+
+### Code Contributions
+
+We especially welcome:
+- Bug fixes
+- Documentation improvements
+- Test coverage improvements
+- New features (please discuss in an issue first for large changes)
+
+## Testing
+
+- Write unit tests for new functionality
+- Ensure existing tests still pass
+- Test manually with real MCP bundles when applicable
+
+## Questions?
+
+Feel free to open an issue for questions about contributing or the project in general.
+
+## License
+
+By contributing to MCPB, you agree that your contributions will be licensed under the MIT License.

LICENSE

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+Copyright 2025 Anthropic, PBC.
+
+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.