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HomeDocsModel Context Protocol 28 Sep 2026
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SDKs changeddocs/draft/sdk

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33> Official SDKs for building with Model Context Protocol
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5Build MCP servers and clients using our official SDKs. SDKs are classified into tiers based on feature completeness, protocol support, and maintenance commitment. Learn more about [SDK tiers](/community/sdk-tiers).
5Build MCP servers and clients using our official SDKs. SDKs are classified into tiers based on feature completeness, protocol support, and maintenance commitment. Learn more about [SDK tiers](/community/sdk-tiers.md).
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77## Available SDKs
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1919|   [PHP](https://php.sdk.modelcontextprotocol.io) | [modelcontextprotocol/php-sdk](https://github.com/modelcontextprotocol/php-sdk) | Tier 3 |
2020|   [Kotlin](https://kotlin.sdk.modelcontextprotocol.io) | [modelcontextprotocol/kotlin-sdk](https://github.com/modelcontextprotocol/kotlin-sdk) | Tier 3 |
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22See [SDK Tiering System](/community/sdk-tiers) for details on what each tier means.
22See [SDK Tiering System](/community/sdk-tiers.md) for details on what each tier means.
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2424## Getting Started
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3737Ready to start building with MCP? Choose your path:
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39> **[Build a Server](/docs/draft/develop/build-server)**
39> **[Build a Server](/docs/draft/develop/build-server.md)**
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4141> Learn how to create your first MCP server
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43> **[Build a Client](/docs/draft/develop/build-client)**
43> **[Build a Client](/docs/draft/develop/build-client.md)**
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4545> Create applications that connect to MCP servers
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