Add spin.ai to list of clients (modelcontextprotocol#171)

Co-authored-by: David Soria Parra <[email protected]>

Author: AtotheY

clients.mdx

@@ -27,6 +27,7 @@ This page provides an overview of applications that support the Model Context Pr
 | [TheiaAI/TheiaIDE][TheiaAI/TheiaIDE]        | ❌          | ❌        | ✅      | ❌         | ❌    | Supports tools for Agents in Theia AI and the AI-powered Theia IDE          |
 | [Windsurf Editor][Windsurf]                 | ❌          | ❌        | ✅      | ❌         | ❌    | Supports tools with AI Flow for collaborative development.                  |
 | [Zed][Zed]                                  | ❌          | ✅        | ❌      | ❌         | ❌    | Prompts appear as slash commands                                            |
+| [SpinAI][SpinAI]                            | ❌          | ❌        | ✅      | ❌         | ❌    | Supports tools for Typescript AI Agents                                     |
 | [OpenSumi][OpenSumi]                        | ❌          | ❌        | ✅      | ❌         | ❌    | Supports tools in OpenSumi                                                  |
 
 [Claude]: https://claude.ai/download
@@ -47,6 +48,7 @@ This page provides an overview of applications that support the Model Context Pr
 [Roo Code]: https://roocode.com
 [Goose]: https://block.github.io/goose/docs/goose-architecture/#interoperability-with-extensions
 [Windsurf]: https://codeium.com/windsurf
+[SpinAI]: https://spinai.dev
 [OpenSumi]: https://github.com/opensumi/core
 
 [Resources]: https://modelcontextprotocol.io/docs/concepts/resources
@@ -178,6 +180,15 @@ Programmatically assemble prompts for LLMs using [GenAIScript](https://microsoft
 - Uses OpenCTX as an abstraction layer
 - Future support planned for additional MCP features
 
+### SpinAI
+[SpinAI](https://spinai.dev) is an open-source TypeScript framework for building observable AI agents. The framework provides native MCP compatibility, allowing agents to seamlessly integrate with MCP servers and tools.
+
+**Key features:**
+- Built-in MCP compatibility for AI agents
+- Open-source TypeScript framework
+- Observable agent architecture
+- Native support for MCP tools integration
+
 ### Superinterface
 [Superinterface](https://superinterface.ai) is AI infrastructure and a developer platform to build in-app AI assistants with support for MCP, interactive components, client-side function calling and more.