feat: Implement robust specs directory discovery and bump package version.

Author: HideBa

packages/mcp-server/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@cityjson/cj-mcp",
-  "version": "0.1.0",
+  "version": "0.1.1",
   "description": "MCP server for querying CityJSON specification chapters",
   "type": "module",
   "main": "dist/index.js",

packages/mcp-server/src/config.ts

@@ -3,7 +3,7 @@
  */
 
 import { existsSync } from "node:fs";
-import { dirname, resolve } from "node:path";
+import { dirname, join, resolve } from "node:path";
 import { fileURLToPath } from "node:url";
 import { DEFAULT_HTTP_PORT, SERVER_NAME, SERVER_VERSION } from "./constants.js";
 
@@ -16,24 +16,47 @@ export interface ServerConfig {
 }
 
 /**
- * Find project root by looking for pnpm-workspace.yaml
+ * Find specs directory by checking multiple locations:
+ * 1. Environment variable CITYJSON_SPECS_PATH
+ * 2. Relative to package (for npm install): <package>/specs
+ * 3. Relative to workspace root (for development): <workspace>/specs
  */
-function findProjectRoot(startDir: string): string {
-  let current = startDir;
+function findSpecsPath(packageDir: string): string {
+  // Check environment variable first
+  if (process.env.CITYJSON_SPECS_PATH) {
+    return process.env.CITYJSON_SPECS_PATH;
+  }
+
+  // Check relative to package (npm install case)
+  // dist/index.js -> package root -> specs
+  const packageRoot = dirname(packageDir);
+  const packageSpecsPath = join(packageRoot, "specs");
+  if (existsSync(packageSpecsPath)) {
+    return packageSpecsPath;
+  }
+
+  // Check relative to workspace root (development case)
+  let current = packageDir;
   while (current !== "/" && !existsSync(resolve(current, "pnpm-workspace.yaml"))) {
     current = dirname(current);
   }
-  return current;
+  if (current !== "/") {
+    const workspaceSpecsPath = join(current, "specs");
+    if (existsSync(workspaceSpecsPath)) {
+      return workspaceSpecsPath;
+    }
+  }
+
+  // Fallback to package relative path
+  return packageSpecsPath;
 }
 
 /**
  * Load configuration from environment variables
  */
 export function loadConfig(): ServerConfig {
   const __dirname = dirname(fileURLToPath(import.meta.url));
-  const projectRoot = findProjectRoot(__dirname);
-
-  const specsPath = process.env.CITYJSON_SPECS_PATH || resolve(projectRoot, "specs");
+  const specsPath = findSpecsPath(__dirname);
   const transport = (process.env.TRANSPORT as "stdio" | "http") || "stdio";
   const httpPort = process.env.PORT ? Number.parseInt(process.env.PORT, 10) : DEFAULT_HTTP_PORT;