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Add fallback mechanism for MCP configuration updates in VS Code (AST-129350) #1401

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Merged
cx-rahul-pidde merged 3 commits into from
Feb 12, 2026
Merged

Add fallback mechanism for MCP configuration updates in VS Code (AST-129350) #1401

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6c064e7
Added fallack mechnism to configure mcp
cx-rahul-pidde Feb 9, 2026
b04e498
Merge branch 'main' into other/AST-129350-mcp-fallback
cx-rahul-pidde Feb 12, 2026
4161cb6
Merge branch 'main' into other/AST-129350-mcp-fallback
cx-anurag-dalke Feb 12, 2026
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108 changes: 76 additions & 32 deletions packages/core/src/services/mcpSettingsInjector.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -79,16 +79,33 @@ function decodeJwt(apiKey: string): DecodedJwt | null {
}

function getMcpConfigPath(): string {
const homeDir = os.homedir();

if (isIDE(constants.cursorAgent)) {
const homeDir = os.homedir();
return path.join(homeDir, ".cursor", "mcp.json");
}
if (isIDE(constants.windsurfAgent)) {
return path.join(os.homedir(), ".codeium", "windsurf", "mcp_config.json");
return path.join(homeDir, ".codeium", "windsurf", "mcp_config.json");
}
if (isIDE(constants.kiroAgent)) {
return path.join(os.homedir(), ".kiro", "settings", "mcp.json");
return path.join(homeDir, ".kiro", "settings", "mcp.json");
}
// VSCode - platform specific paths
if (isIDE(constants.vsCodeAgentOrginalName)) {
const platform = process.platform;
if (platform === 'win32') {
// Windows: %APPDATA%\Code\User\mcp.json
const appData = process.env.APPDATA || path.join(homeDir, 'AppData', 'Roaming');
return path.join(appData, 'Code', 'User', 'mcp.json');
} else if (platform === 'darwin') {
// macOS: ~/Library/Application Support/Code/User/mcp.json
return path.join(homeDir, 'Library', 'Application Support', 'Code', 'User', 'mcp.json');
} else {
// Linux: ~/.config/Code/User/mcp.json
return path.join(homeDir, '.config', 'Code', 'User', 'mcp.json');
}
}
return path.join(homeDir, '.vscode', 'mcp.json');
}

async function updateMcpJsonFile(mcpServer: McpServer | KiroMcpServer): Promise<void> {
Expand All @@ -105,11 +122,18 @@ async function updateMcpJsonFile(mcpServer: McpServer | KiroMcpServer): Promise<
}
}

if (!mcpConfig.mcpServers) {
mcpConfig.mcpServers = {};
if (isIDE(constants.vsCodeAgentOrginalName)) {
if (!mcpConfig.servers) {
mcpConfig.servers = {};
}
mcpConfig.servers[getCheckmarxMcpServerName()] = mcpServer as McpServer;
}
else {
if (!mcpConfig.mcpServers) {
mcpConfig.mcpServers = {};
}
mcpConfig.mcpServers[getCheckmarxMcpServerName()] = mcpServer;
}

mcpConfig.mcpServers[getCheckmarxMcpServerName()] = mcpServer;

try {
const dir = path.dirname(mcpConfigPath);
Expand All @@ -123,25 +147,33 @@ async function updateMcpJsonFile(mcpServer: McpServer | KiroMcpServer): Promise<
}
}

export async function uninstallMcp() {
try {

if (!isIDE(constants.vsCodeAgentOrginalName)) {
// Handle Cursor, Windsurf and Kiro: Remove from mcp json file
const mcpConfigPath = getMcpConfigPath();
async function removeMcpFromJsonFile(): Promise<void> {
const mcpConfigPath = getMcpConfigPath();

if (!fs.existsSync(mcpConfigPath)) {
return;
}
if (!fs.existsSync(mcpConfigPath)) {
return;
}

const fileContent = fs.readFileSync(mcpConfigPath, "utf-8");
const mcpConfig: McpConfig = JSON.parse(fileContent);
const fileContent = fs.readFileSync(mcpConfigPath, "utf-8");
const mcpConfig: McpConfig = JSON.parse(fileContent);

if (mcpConfig.mcpServers && mcpConfig.mcpServers[getCheckmarxMcpServerName()]) {
delete mcpConfig.mcpServers[getCheckmarxMcpServerName()];
// Remove from mcpServers (for Cursor, Windsurf, Kiro)
if (mcpConfig.mcpServers && mcpConfig.mcpServers[getCheckmarxMcpServerName()]) {
delete mcpConfig.mcpServers[getCheckmarxMcpServerName()];
fs.writeFileSync(mcpConfigPath, JSON.stringify(mcpConfig, null, 2), "utf-8");
}
// Remove from servers (for VSCode fallback)
else if (mcpConfig.servers && mcpConfig.servers[getCheckmarxMcpServerName()]) {
delete mcpConfig.servers[getCheckmarxMcpServerName()];
fs.writeFileSync(mcpConfigPath, JSON.stringify(mcpConfig, null, 2), "utf-8");
}
}

fs.writeFileSync(mcpConfigPath, JSON.stringify(mcpConfig, null, 2), "utf-8");
}
export async function uninstallMcp() {
try {
if (!isIDE(constants.vsCodeAgentOrginalName)) {
// Handle Cursor, Windsurf and Kiro: Remove from mcp json file
await removeMcpFromJsonFile();
} else {
// Handle VSCode: Remove from settings
const config = vscode.workspace.getConfiguration();
Expand All @@ -151,11 +183,17 @@ export async function uninstallMcp() {
// Create a new object without the Checkmarx server to avoid proxy issues
const updatedServers = { ...existingServers };
delete updatedServers[getCheckmarxMcpServerName()];
await config.update(
"mcp",
{ servers: updatedServers },
vscode.ConfigurationTarget.Global
);
try {
await config.update(
"mcp",
{ servers: updatedServers },
vscode.ConfigurationTarget.Global
);
} catch (error) {
const errorMessage = error instanceof Error ? error.message : String(error);
console.warn(`Failed to update MCP server details. Using fallback mechanism to configure mcp server details. Error: ${errorMessage}`);
await removeMcpFromJsonFile();
}
}
}
} catch (error) {
Expand Down Expand Up @@ -229,11 +267,17 @@ export async function initializeMcpConfiguration(apiKey: string) {
const updatedServers = { ...existingServers };
updatedServers[getCheckmarxMcpServerName()] = mcpServer;

await config.update(
"mcp",
{ servers: updatedServers },
vscode.ConfigurationTarget.Global
);
try {
await config.update(
"mcp",
{ servers: updatedServers },
vscode.ConfigurationTarget.Global
);
} catch (error) {
const errorMessage = error instanceof Error ? error.message : String(error);
console.warn(`Failed to update MCP server details. Using fallback mechanism to configure mcp server details. Error: ${errorMessage}`);
await updateMcpJsonFile(mcpServer);
}
}

vscode.window.showInformationMessage("MCP configuration saved successfully.");
Expand Down
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