diff --git a/README.md b/README.md
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--- /dev/null
+++ b/README.md
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+# CIM Engine map list
+
+## Political Map of the World  ([worldMap](https://cimengine.github.io/map/?id=worldMap))
+
+## ERTH2 - Map of the Virtual States of the ERTH2 Universe ([movc](https://cimengine.github.io/map/?id=movc))
+
diff --git a/index.js b/index.js
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+++ b/index.js
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+const fs = require("fs");
+
+const index = JSON.parse(fs.readFileSync("./index.json", "utf-8"));
+
+let readme = "# CIM Engine map list\n\n";
+
+for (let id in index) {
+  let item = index[id];
+  readme += `## ${item.name} ${
+    item.description ? `- ${item.description}` : ""
+  } ([${id}](https://cimengine.github.io/map/?id=${id}))\n\n`;
+}
+
+fs.writeFileSync("./README.md", readme);
diff --git a/index.json b/index.json
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+++ b/index.json
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+{
+  "worldMap": {
+    "name": "Political Map of the World",
+    "geoURL": "https://raw.githubusercontent.com/CIMEngine/WorldMap/main/map/geo.geojson",
+    "countryInfoURL": "https://raw.githubusercontent.com/CIMEngine/WorldMap/main/map/src/countries.json"
+  },
+  "movc": {
+    "name": "ERTH2",
+    "description": "Map of the Virtual States of the ERTH2 Universe",
+    "geoURL": "https://erth2.github.io/movc/geo/geo.geojson",
+    "countryInfoURL": "https://erth2.github.io/movc/geo/src/countries.json"
+  }
+}
diff --git a/package.json b/package.json
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+++ b/package.json
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+{
+  "name": "maplist",
+  "version": "1.0.0",
+  "description": "List of maps build on CIMEngine",
+  "main": "index.js",
+  "scripts": {
+    "build": "node index"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/CIMEngine/MapList.git"
+  },
+  "keywords": [
+    "list",
+    "map",
+    "geojson"
+  ],
+  "author": "artegoser",
+  "license": "MIT",
+  "bugs": {
+    "url": "https://github.com/CIMEngine/MapList/issues"
+  },
+  "homepage": "https://github.com/CIMEngine/MapList#readme"
+}