MCP Backward Compatibility: What Still Talks to What
MCP revision 2026-07-28 removed the initialize handshake, so a new client cannot talk to an old server. Here is the full compatibility matrix and the probe that settles it.
mcp
3 articles tagged mcp.
MCP vs Function Calling: Which One Do You Actually Need?
MCP vs function calling: they are not competitors. Function calling is how a model picks a tool. MCP is how a tool reaches any client. One rule tells you which you need.
What Is an MCP Server, and How Does It Work?
An MCP server exposes tools, resources and prompts to an AI app over JSON-RPC 2.0. Here is what that means in practice, and why an MCP badge in a README proves nothing.