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fix: advertise MCP tools capability explicitly

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This commit is contained in:
thibaud-leclere 2026-04-10 16:01:59 +02:00
parent 92fc30cb2d
commit f10b797640
2 changed files with 10 additions and 1 deletions
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4
internal/mcpserver/server.go
View file

@ -341,7 +341,9 @@ func (r Runner) handleInitialize(encoder *json.Encoder, session *runnerSession,
return writeRPCResult(encoder, request.ID, map[string]any{
"protocolVersion": negotiatedVersion,
"capabilities": map[string]any{
"tools": map[string]any{},
"tools": map[string]any{
"listChanged": true,
},
},
"serverInfo": map[string]any{
"name": mcpServerName,

7
internal/mcpserver/server_test.go
View file

@ -227,6 +227,13 @@ func TestRunnerRunWritesToolManifestAndHandlesRequests(t *testing.T) {
if _, ok := initializeResponse.Result.Capabilities["tools"]; !ok {
t.Fatalf("expected tools capability, got %#v", initializeResponse.Result.Capabilities)
}
toolsCapability, ok := initializeResponse.Result.Capabilities["tools"].(map[string]any)
if !ok {
t.Fatalf("expected tools capability object, got %#v", initializeResponse.Result.Capabilities["tools"])
}
if listChanged, ok := toolsCapability["listChanged"].(bool); !ok || !listChanged {
t.Fatalf("expected tools.listChanged=true, got %#v", toolsCapability)
}
if initializeResponse.Result.ServerInfo.Name == "" || initializeResponse.Result.ServerInfo.Version == "" {
t.Fatalf("expected server info, got %#v", initializeResponse.Result.ServerInfo)
}