docs(community): Add Awesome MCP Registry project link (#734)

<!-- Provide a brief summary of your changes -->

Added **Awesome MCP Registry** to the Featured Projects list — a
community project that extends the MCP Registry with **API-based MCP
execution**, **private deployment**, and **secure sandbox isolation**.

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## Motivation and Context

Most existing MCP Registry projects primarily serve as directories —
they list available MCP servers but do not support actual invocation or
interaction.
**Awesome MCP Registry** bridges this gap by enabling **direct API
execution of MCPs** within a **sandboxed** and **self-hostable**
environment.
This allows developers and enterprises to safely run, test, and
integrate MCP servers in **private infrastructure** while maintaining
full control over data and execution.

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## How Has This Been Tested?

The project has been validated in private and local deployments using
various MCP servers.
API execution, sandbox isolation, and registry synchronization have been
tested successfully in both development and production-like
environments.

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## Breaking Changes

No breaking changes — documentation update only.

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## Types of changes

* [x] Documentation update

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## Checklist

* [x] I have read the [[MCP
Documentation](https://modelcontextprotocol.io/)](https://modelcontextprotocol.io)
* [x] The project description follows the repository’s style guidelines
* [x] The project link and summary are verified and accurate
* [x] The addition aligns with the MCP community contribution standards

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## Additional context

This addition highlights a project that **extends the traditional MCP
Registry model** by introducing **execution capabilities**, making it a
practical foundation for **secure, private, and automated MCP
workflows**.

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Co-authored-by: Radoslav Dimitrov <[email protected]>

Author: Seey215

docs/community-projects.md

@@ -15,6 +15,7 @@ The following is a list of notable community-driven projects in the ecosystem re
 - [OtherVibes/mcp-publish-action](https://github.com/OtherVibes/mcp-publish-action) - GitHub Action for publishing MCP servers to the official registry
 - [TeamSpark AI Server Registry](https://teamsparkai.github.io/ToolCatalog/registry)🔎 - Browse and discover servers from the official MCP Registry ([source code](https://github.com/TeamSparkAI/ToolCatalog)).
 - [go-mcp-registry](https://github.com/leefowlercu/go-mcp-registry) - Go SDK for the MCP Registry API
+- [Awesome MCP Registry](https://github.com/toolsdk-ai/awesome-mcp-registry) - Extends the MCP Registry with **API-based MCP execution, private deployment**, and **secure sandbox isolation**.
 - **Add your project here!**
 
 🔎 = Browse the official MCP Registry in your browser!