Add JetBrains Copilot plugin support

Author: danbarr

cmd/thv/app/config.go

@@ -50,6 +50,7 @@ Valid clients are:
   - claude-code: Claude Code CLI
   - cline: Cline extension for VS Code
   - cursor: Cursor editor
+  - jetbrains-copilot: Copilot extension for JetBrains IDEs
   - roo-code: Roo Code extension for VS Code
   - vscode: Visual Studio Code
   - vscode-insider: Visual Studio Code Insiders edition`,
@@ -65,6 +66,7 @@ Valid clients are:
   - claude-code: Claude Code CLI
   - cline: Cline extension for VS Code
   - cursor: Cursor editor
+  - jetbrains-copilot: Copilot extension for JetBrains IDEs
   - roo-code: Roo Code extension for VS Code
   - vscode: Visual Studio Code
   - vscode-insider: Visual Studio Code Insiders edition`,
@@ -181,11 +183,11 @@ func registerClientCmdFunc(cmd *cobra.Command, args []string) error {
 
 	// Validate the client type
 	switch clientType {
-	case "roo-code", "cline", "cursor", "claude-code", "vscode-insider", "vscode":
+	case "roo-code", "cline", "cursor", "claude-code", "jetbrains-copilot", "vscode-insider", "vscode":
 		// Valid client type
 	default:
 		return fmt.Errorf(
-			"invalid client type: %s (valid types: roo-code, cline, cursor, claude-code, vscode, vscode-insider)",
+			"invalid client type: %s (valid types: roo-code, cline, cursor, claude-code, jetbrains-copilot, vscode, vscode-insider)",
 			clientType)
 	}
 
@@ -220,11 +222,11 @@ func removeClientCmdFunc(_ *cobra.Command, args []string) error {
 
 	// Validate the client type
 	switch clientType {
-	case "roo-code", "cline", "cursor", "claude-code", "vscode-insider", "vscode":
+	case "roo-code", "cline", "cursor", "claude-code", "jetbrains-copilot", "vscode-insider", "vscode":
 		// Valid client type
 	default:
 		return fmt.Errorf(
-			"invalid client type: %s (valid types: roo-code, cline, cursor, claude-code, vscode, vscode-insider)",
+			"invalid client type: %s (valid types: roo-code, cline, cursor, claude-code, jetbrains-copilot, vscode, vscode-insider)",
 			clientType)
 	}
 

docs/cli/thv_config_register-client.md

@@ -14,6 +14,7 @@ components:
       - VSCodeInsider
       - VSCode
       - ClaudeCode
+      - JetBrainsCopilot
     client.MCPClientStatus:
       properties:
         client_type:
@@ -26,6 +27,7 @@ components:
           - VSCodeInsider
           - VSCode
           - ClaudeCode
+          - JetBrainsCopilot
         installed:
           description: Installed indicates whether the client is installed on the
             system
@@ -282,6 +284,7 @@ components:
           - VSCodeInsider
           - VSCode
           - ClaudeCode
+          - JetBrainsCopilot
       type: object
     v1.createClientResponse:
       properties:
@@ -295,6 +298,7 @@ components:
           - VSCodeInsider
           - VSCode
           - ClaudeCode
+          - JetBrainsCopilot
       type: object
     v1.createRequest:
       description: Request to create a new workload

docs/cli/thv_config_remove-client.md

@@ -38,6 +38,8 @@ const (
 	VSCode MCPClient = "vscode"
 	// ClaudeCode represents the Claude Code CLI.
 	ClaudeCode MCPClient = "claude-code"
+	// JetBrainsCopilot represents the Copilot plugin for JetBrains IDEs.
+	JetBrainsCopilot MCPClient = "jetbrains-copilot"
 )
 
 // Extension is extension of the client config file.
@@ -136,6 +138,21 @@ var supportedClientIntegrations = []mcpClientConfig{
 		RelPath:              []string{},
 		Extension:            JSON,
 	},
+	{
+		ClientType:   JetBrainsCopilot,
+		Description:  "JetBrains Copilot plugin",
+		SettingsFile: "mcp.json",
+		RelPath: []string{
+			"github-copilot", "intellij",
+		},
+		MCPServersPathPrefix: "/servers",
+		PlatformPrefix: map[string][]string{
+			"linux":   {".config"},
+			"darwin":  {".config"},
+			"windows": {"AppData", "Local"},
+		},
+		Extension: JSON,
+	},
 }
 
 // ConfigFile represents a client configuration file
@@ -209,7 +226,10 @@ func FindClientConfigs() ([]ConfigFile, error) {
 // build up more complex MCP server configurations for different clients
 // without leaking them into the CMD layer.
 func Upsert(cf ConfigFile, name string, url string) error {
-	if cf.ClientType == VSCode || cf.ClientType == VSCodeInsider || cf.ClientType == ClaudeCode {
+	if cf.ClientType == VSCode ||
+		cf.ClientType == VSCodeInsider ||
+		cf.ClientType == ClaudeCode ||
+		cf.ClientType == JetBrainsCopilot {
 		return cf.ConfigUpdater.Upsert(name, MCPServer{Url: url, Type: "sse"})
 	}
 

docs/server/docs.go

@@ -59,6 +59,14 @@ func createMockClientConfigs() []mcpClientConfig {
 			MCPServersPathPrefix: "/mcpServers",
 			Extension:            JSON,
 		},
+		{
+			ClientType:           JetBrainsCopilot,
+			Description:          "JetBrains Copilot plugin (Mock)",
+			RelPath:              []string{"mock_jetbrains_copilot"},
+			SettingsFile:         "mcp.json",
+			MCPServersPathPrefix: "/servers",
+			Extension:            JSON,
+		},
 	}
 }
 
@@ -379,6 +387,9 @@ func TestSuccessfulClientConfigOperations(t *testing.T) {
 			case Cline:
 				assert.Contains(t, string(content), `"mcpServers":`,
 					"Cline config should contain mcpServers key")
+			case JetBrainsCopilot:
+				assert.Contains(t, string(content), `"servers":`,
+					"JetBrains Copilot config should contain servers key")
 			}
 		}
 	})
@@ -404,7 +415,7 @@ func TestSuccessfulClientConfigOperations(t *testing.T) {
 			case VSCode, VSCodeInsider:
 				assert.Contains(t, string(content), testURL,
 					"VSCode config should contain the server URL")
-			case Cursor, RooCode, ClaudeCode, Cline:
+			case Cursor, RooCode, ClaudeCode, Cline, JetBrainsCopilot:
 				assert.Contains(t, string(content), testURL,
 					"Config should contain the server URL")
 			}

docs/server/swagger.json

@@ -110,7 +110,7 @@ func TestSave(t *testing.T) {
 			},
 			Clients: Clients{
 				AutoDiscovery:     true,
-				RegisteredClients: []string{"vscode", "cursor", "roo-code", "cline", "claude-code"},
+				RegisteredClients: []string{"vscode", "cursor", "roo-code", "cline", "claude-code", "jetbrains-copilot"},
 			},
 		}