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mcp: add 2026-07-28 to the supported protocol versions (#1020)

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This PR adds the protocol version `2026-07-28` to the list of supported
protocol versions and fixes legacy tests hardcoding the legacy protocol
version for those use cases.
This commit is contained in:
Guglielmo Colombo 2026-06-24 12:02:56 +02:00 • committed by GitHub
commit 7f4aa4a0ce
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1 changed files with 355 additions and 218 deletions
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16
mcp/mcp_example_test.go
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@ -19,19 +19,13 @@ import (
func Example_lifecycle() {
ctx := context.Background()
// Create a client and server.
// Wait for the client to initialize the session.
// Create a client and server. Under protocol version 2026-07-28, there
// is no dedicated initialize/initialized handshake: the session is
// implicitly live the moment the client issues its first request.
client := mcp.NewClient(&mcp.Implementation{Name: "client", Version: "v0.0.1"}, nil)
server := mcp.NewServer(&mcp.Implementation{Name: "server", Version: "v0.0.1"}, &mcp.ServerOptions{
InitializedHandler: func(context.Context, *mcp.InitializedRequest) {
fmt.Println("initialized!")
},
})
server := mcp.NewServer(&mcp.Implementation{Name: "server", Version: "v0.0.1"}, nil)
// Connect the server and client using in-memory transports.
//
// Connect the server first so that it's ready to receive initialization
// messages from the client.
t1, t2 := mcp.NewInMemoryTransports()
serverSession, err := server.Connect(ctx, t1, nil)
if err != nil {
@ -50,7 +44,7 @@ func Example_lifecycle() {
if err := serverSession.Wait(); err != nil {
log.Fatal(err)
}
// Output: initialized!
// Output:
}
// !-lifecycle