wehub-resource-sync
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26 lines
958 B
Python
26 lines
958 B
Python
"""One MCPServer factory that serves both the 2025 handshake era and the 2026 stateless era."""
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from mcp_types.version import MODERN_PROTOCOL_VERSIONS
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from mcp.server.mcpserver import Context, MCPServer
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from stories._hosting import run_server_from_args
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def build_server() -> MCPServer:
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# The same factory serves both eras with no configuration. Which era a request is
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# on is decided by the entry point / transport, never by the server.
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mcp = MCPServer("dual-era-example", instructions="A small dual-era demo server.")
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@mcp.tool()
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async def greet(name: str, ctx: Context) -> str:
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"""Greet the caller and report which protocol era served the request."""
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pv = ctx.request_context.protocol_version
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era = "modern" if pv in MODERN_PROTOCOL_VERSIONS else "legacy"
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return f"Hello, {name}! (served on the {era} era at {pv})"
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return mcp
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if __name__ == "__main__":
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run_server_from_args(build_server)
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