https://blog.modelcontextprotocol.io/posts/2026-03-11-understanding-mcp-extensions/
Understanding MCP Extensions | Model Context Protocol Blog
Mar 12, 2026 - A practical guide to MCP extensions: how they layer new capabilities on top of the core protocol, and patterns the community is already using.
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https://zed.dev/docs/extensions/mcp-extensions
MCP Server Extensions | MCP Server Extensions
mcp server extensions