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api-design

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Design stable, compatible public APIs using extend-only design principles. Manage API compatibility, wire compatibility, and versioning for NuGet packages and distributed systems.

skills/csharp-api-design/SKILL.md

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# Public API Design and Compatibility

## When to Use This Skill

Use this skill when:
- Designing public APIs for NuGet packages or libraries
- Making changes to existing public APIs
- Planning wire format changes for distributed systems
- Implementing versioning strategies
- Reviewing pull requests for breaking changes

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## The Three Types of Compatibility
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