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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 | 3x 3x 3x 3x 9x 3x 28x 28x 28x 3x 7x 7x 6x 1x 3x 23x 3x 3x 3x 17x 17x 17x 1x 16x 16x 15x 15x 11x 4x 4x 1x 3x 1x 3x 25x 25x 25x 25x 25x 25x 25x 4x 2x 4x 3x 3x 3x 3x 1x 3x 18x 18x 18x 8x 18x 25x 25x 25x 10x 25x 3x 21x 3x 7x 3x 7x | /**
* MCP client detection module
* Detects which MCP clients are installed on the system
*/
import { existsSync, readFileSync } from "fs";
import { spawnSync } from "child_process";
import {
InstallableClient,
ClientDetectionResult,
CLIENT_METADATA,
INSTALLABLE_CLIENTS,
} from "./types";
import { expandPath } from "../utils/path-utils.js";
// Re-export expandPath for backwards compatibility with existing imports
export { expandPath } from "../utils/path-utils.js";
/**
* Get config path for a client on current platform
*/
export function getConfigPath(client: InstallableClient): string | undefined {
const metadata = CLIENT_METADATA[client];
const platform = process.platform as "darwin" | "win32" | "linux";
return metadata.configPaths[platform];
}
/**
* Check if a CLI command exists
*/
export function commandExists(command: string): boolean {
try {
const result = spawnSync(process.platform === "win32" ? "where" : "which", [command], {
stdio: "pipe",
encoding: "utf8",
});
return result.status === 0;
} catch {
return false;
}
}
/**
* Validate bundle ID format to prevent command injection
* Bundle IDs must be reverse-domain format with at least 2 segments: com.example
* Exported for testing
*/
export function isValidBundleId(bundleId: string): boolean {
// Require at least one dot (2 segments) and valid characters
// Valid: com.example, com.example.app, org.test-app.Main
// Invalid: a, com, com., .com, com..example, -com.example
return /^[a-zA-Z0-9][a-zA-Z0-9-]*(\.[a-zA-Z0-9][a-zA-Z0-9-]*)+$/.test(bundleId);
}
/**
* Check if macOS app bundle exists
*/
function appBundleExists(bundleId: string): boolean {
Eif (process.platform !== "darwin") {
return false;
}
// Validate bundleId format to prevent command injection
if (!isValidBundleId(bundleId)) {
return false;
}
try {
const result = spawnSync("mdfind", [`kMDItemCFBundleIdentifier == "${bundleId}"`], {
stdio: "pipe",
encoding: "utf8",
});
return result.status === 0 && result.stdout.trim().length > 0;
} catch {
return false;
}
}
/**
* Check if gitlab-mcp is already configured in a JSON config file
*/
export function isAlreadyConfigured(configPath: string): boolean {
try {
const expanded = expandPath(configPath);
if (!existsSync(expanded)) {
return false;
}
const content = readFileSync(expanded, "utf8");
const config = JSON.parse(content) as Record<string, unknown>;
// Check for mcpServers.gitlab or mcpServers["gitlab-mcp"]
const mcpServers = config.mcpServers as Record<string, unknown> | undefined;
if (mcpServers) {
return "gitlab" in mcpServers || "gitlab-mcp" in mcpServers;
}
// Check for servers.gitlab (different config format)
const servers = config.servers as Record<string, unknown> | undefined;
if (servers) {
return "gitlab" in servers || "gitlab-mcp" in servers;
}
return false;
} catch {
return false;
}
}
/**
* Detect a single MCP client
*/
export function detectClient(client: InstallableClient): ClientDetectionResult {
const metadata = CLIENT_METADATA[client];
const configPath = getConfigPath(client);
const expandedPath = configPath ? expandPath(configPath) : undefined;
const result: ClientDetectionResult = {
client,
detected: false,
method: metadata.detectionMethod,
};
Eif (configPath) {
result.configPath = expandedPath;
}
switch (metadata.detectionMethod) {
case "cli-command":
if (metadata.cliCommand && commandExists(metadata.cliCommand)) {
result.detected = true;
}
break;
case "app-bundle":
Iif (metadata.appBundleId && appBundleExists(metadata.appBundleId)) {
result.detected = true;
}
// Also check config file as fallback
Eif (!result.detected && expandedPath) {
// Check if config directory exists (even without config file)
const configDir = expandedPath.replace(/\/[^/]+$/, "");
if (existsSync(configDir)) {
result.detected = true;
}
}
break;
case "config-file":
// For config-file detection, check if parent directory exists
// (client may be installed but not configured yet)
Eif (expandedPath) {
const configDir = expandedPath.replace(/\/[^/]+$/, "");
if (existsSync(configDir)) {
result.detected = true;
}
}
break;
}
// Check if config file exists and if already configured
Eif (expandedPath) {
result.configExists = existsSync(expandedPath);
if (result.configExists) {
result.alreadyConfigured = isAlreadyConfigured(expandedPath);
}
}
return result;
}
/**
* Detect all installed MCP clients
*/
export function detectAllClients(): ClientDetectionResult[] {
return INSTALLABLE_CLIENTS.map(client => detectClient(client));
}
/**
* Get list of detected clients (installed on the system)
*/
export function getDetectedClients(): ClientDetectionResult[] {
return detectAllClients().filter(result => result.detected);
}
/**
* Get list of clients that are already configured with gitlab-mcp
*/
export function getConfiguredClients(): ClientDetectionResult[] {
return detectAllClients().filter(result => result.alreadyConfigured);
}
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