diff --git a/Week4/homework/ex1-aggregation/.gitignore b/Week4/homework/ex1-aggregation/.gitignore
new file mode 100644
index 000000000..2eea525d8
--- /dev/null
+++ b/Week4/homework/ex1-aggregation/.gitignore
@@ -0,0 +1 @@
+.env
\ No newline at end of file
diff --git a/Week4/homework/ex1-aggregation/exercise1_population.js b/Week4/homework/ex1-aggregation/exercise1_population.js
new file mode 100644
index 000000000..40998796e
--- /dev/null
+++ b/Week4/homework/ex1-aggregation/exercise1_population.js
@@ -0,0 +1,146 @@
+require('dotenv').config();
+const { MongoClient } = require('mongodb');
+const fs = require('fs');
+const csv = require('csv-parser');
+
+const DB_NAME = "databaseWeek4";
+const COLLECTION_NAME = "population";
+
+async function importCSV() {
+    const client = new MongoClient(process.env.MONGO_URI);
+    try {
+        await client.connect();
+        const db = client.db(DB_NAME);
+        const collection = db.collection(COLLECTION_NAME);
+
+
+        await collection.deleteMany({});
+        console.log('Collection cleared');
+
+        const results = [];
+        
+        return new Promise((resolve, reject) => {
+            fs.createReadStream('population_pyramid_1950-2022.csv')
+                .pipe(csv())
+                .on('data', (data) => {
+
+                    data.M = parseInt(data.M);
+                    data.F = parseInt(data.F);
+                    data.Year = parseInt(data.Year);
+                    results.push(data);
+                })
+                .on('end', async () => {
+                    try {
+                        if (results.length > 0) {
+                            await collection.insertMany(results);
+                            console.log(`Data imported successfully: ${results.length} documents`);
+                        }
+                        await client.close();
+                        resolve();
+                    } catch (err) {
+                        await client.close();
+                        reject(err);
+                    }
+                })
+                .on('error', async (err) => {
+                    await client.close();
+                    reject(err);
+                });
+        });
+    } catch (err) {
+        console.error('Import error:', err);
+        await client.close();
+        throw err;
+    }
+}
+
+async function totalPopulationByCountry(countryName) {
+    const client = new MongoClient(process.env.MONGO_URI);
+    try {
+        await client.connect();
+        const db = client.db(DB_NAME);
+        const collection = db.collection(COLLECTION_NAME);
+
+        const results = await collection.aggregate([
+            { $match: { Country: countryName } },
+            {
+                $group: {
+                    _id: "$Year",
+                    countPopulation: { $sum: { $add: ["$M", "$F"] } }
+                }
+            },
+            { $sort: { _id: 1 } }
+        ]).toArray();
+
+        console.log(`\nTotal population for ${countryName}:`);
+        console.log(JSON.stringify(results, null, 2));
+        return results;
+
+    } catch (err) {
+        console.error('Error in totalPopulationByCountry:', err);
+        return [];
+    } finally {
+        await client.close();
+    }
+}
+
+async function continentPopulation(yearValue, ageValue) {
+    const client = new MongoClient(process.env.MONGO_URI);
+    try {
+        await client.connect();
+        const db = client.db(DB_NAME);
+        const collection = db.collection(COLLECTION_NAME);
+
+        const results = await collection.aggregate([
+            {
+                $match: {
+                    Year: yearValue,
+                    Age: ageValue,
+                    Country: { 
+                        $in: [
+                            "AFRICA",
+                            "ASIA", 
+                            "EUROPE",
+                            "LATIN AMERICA AND THE CARIBBEAN",
+                            "NORTHERN AMERICA",
+                            "OCEANIA"
+                        ] 
+                    }
+                }
+            },
+            {
+                $project: {
+                    Country: 1,
+                    Year: 1,
+                    Age: 1,
+                    M: 1,
+                    F: 1,
+                    TotalPopulation: { $add: ["$M", "$F"] }
+                }
+            }
+        ]).toArray();
+
+        console.log(`\nContinent population for year ${yearValue}, age ${ageValue}:`);
+        console.log(JSON.stringify(results, null, 2));
+        return results;
+
+    } catch (err) {
+        console.error('Error in continentPopulation:', err);
+        return [];
+    } finally {
+        await client.close();
+    }
+}
+
+async function main() {
+    try {
+        // await importCSV();
+        await totalPopulationByCountry("Netherlands");
+        await continentPopulation(2020, "100+");
+        
+    } catch (err) {
+        console.error('Main error:', err);
+    }
+}
+
+main();
\ No newline at end of file
diff --git a/Week4/homework/ex1-aggregation/exercise2_population.js b/Week4/homework/ex1-aggregation/exercise2_population.js
new file mode 100644
index 000000000..f24abaae8
--- /dev/null
+++ b/Week4/homework/ex1-aggregation/exercise2_population.js
@@ -0,0 +1,41 @@
+require('dotenv').config();
+const { MongoClient } = require("mongodb");
+
+const uri = process.env.MONGO_URI;
+const client = new MongoClient(uri);
+
+async function continentPopulation(yearValue, ageValue) {
+    try {
+        await client.connect();
+        const db = client.db("databaseWeek4");
+        const collection = db.collection("population");
+
+        const results = await collection.aggregate([
+            {
+                $match: {
+                    Year: yearValue,
+                    Age: ageValue,
+                    Country: { $in: ["AFRICA", "ASIA", "EUROPE", "LATIN AMERICA AND THE CARIBBEAN", "NORTHERN AMERICA", "OCEANIA"] }
+                }
+            },
+            {
+                $project: {
+                    Country: 1,
+                    Year: 1,
+                    Age: 1,
+                    M: 1,
+                    F: 1,
+                    TotalPopulation: { $add: ["$M", "$F"] }
+                }
+            }
+        ]).toArray();
+
+        console.log(results);
+    } catch (err) {
+        console.error(err);
+    } finally {
+        await client.close();
+    }
+}
+
+continentPopulation(2020, "100+");
diff --git a/Week4/homework/ex1-aggregation/package-lock.json b/Week4/homework/ex1-aggregation/package-lock.json
new file mode 100644
index 000000000..0fc6b06b7
--- /dev/null
+++ b/Week4/homework/ex1-aggregation/package-lock.json
@@ -0,0 +1,192 @@
+{
+  "name": "ex1-aggregation",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "ex1-aggregation",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
+        "csv-parser": "^3.2.0",
+        "dotenv": "^17.2.3",
+        "mongodb": "^7.0.0"
+      }
+    },
+    "node_modules/@mongodb-js/saslprep": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@mongodb-js/saslprep/-/saslprep-1.3.2.tgz",
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+      "license": "MIT",
+      "dependencies": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
+    "node_modules/@types/webidl-conversions": {
+      "version": "7.0.3",
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+      "license": "MIT"
+    },
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+      "license": "MIT",
+      "dependencies": {
+        "@types/webidl-conversions": "*"
+      }
+    },
+    "node_modules/bson": {
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+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=20.19.0"
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+    "node_modules/csv-parser": {
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+      "license": "MIT",
+      "bin": {
+        "csv-parser": "bin/csv-parser"
+      },
+      "engines": {
+        "node": ">= 10"
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+    },
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+      "license": "MIT"
+    },
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+          "optional": true
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+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/whatwg-url": {
+      "version": "14.2.0",
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+      "license": "MIT",
+      "dependencies": {
+        "tr46": "^5.1.0",
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+  }
+}
diff --git a/Week4/homework/ex1-aggregation/package.json b/Week4/homework/ex1-aggregation/package.json
new file mode 100644
index 000000000..12786a8aa
--- /dev/null
+++ b/Week4/homework/ex1-aggregation/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "ex1-aggregation",
+  "version": "1.0.0",
+  "description": "",
+  "main": "exercise1_population.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "csv-parser": "^3.2.0",
+    "dotenv": "^17.2.3",
+    "mongodb": "^7.0.0"
+  }
+}
diff --git a/Week4/homework/ex1-aggregation/results/ex1.png b/Week4/homework/ex1-aggregation/results/ex1.png
new file mode 100644
index 000000000..e5bc9b12a
Binary files /dev/null and b/Week4/homework/ex1-aggregation/results/ex1.png differ
diff --git a/Week4/homework/ex1-aggregation/results/ex2.png b/Week4/homework/ex1-aggregation/results/ex2.png
new file mode 100644
index 000000000..2b2c905c7
Binary files /dev/null and b/Week4/homework/ex1-aggregation/results/ex2.png differ
diff --git a/Week4/homework/ex1-aggregation/results/ex3.png b/Week4/homework/ex1-aggregation/results/ex3.png
new file mode 100644
index 000000000..7e876e641
Binary files /dev/null and b/Week4/homework/ex1-aggregation/results/ex3.png differ
diff --git a/Week4/homework/ex2-transactions/index.js b/Week4/homework/ex2-transactions/index.js
new file mode 100644
index 000000000..f5b3f0dc7
--- /dev/null
+++ b/Week4/homework/ex2-transactions/index.js
@@ -0,0 +1,9 @@
+const { setup } = require("./setup");
+const { transfer } = require("./transfer");
+
+async function start() {
+    await setup();
+    await transfer(101, 102, 1000, "Test transfer");
+}
+
+start();
diff --git a/Week4/homework/ex2-transactions/package-lock.json b/Week4/homework/ex2-transactions/package-lock.json
new file mode 100644
index 000000000..9a236dad4
--- /dev/null
+++ b/Week4/homework/ex2-transactions/package-lock.json
@@ -0,0 +1,180 @@
+{
+  "name": "ex2-transactions",
+  "version": "1.0.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "ex2-transactions",
+      "version": "1.0.0",
+      "license": "ISC",
+      "dependencies": {
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+        "mongodb": "^7.0.0"
+      },
+      "devDependencies": {}
+    },
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+      "dependencies": {
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+    },
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+        "mongodb-client-encryption": {
+          "optional": true
+        },
+        "snappy": {
+          "optional": true
+        },
+        "socks": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/mongodb-connection-string-url": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-7.0.0.tgz",
+      "integrity": "sha512-irhhjRVLE20hbkRl4zpAYLnDMM+zIZnp0IDB9akAFFUZp/3XdOfwwddc7y6cNvF2WCEtfTYRwYbIfYa2kVY0og==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@types/whatwg-url": "^13.0.0",
+        "whatwg-url": "^14.1.0"
+      },
+      "engines": {
+        "node": ">=20.19.0"
+      }
+    },
+    "node_modules/punycode": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
+      "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
+      "license": "MIT",
+      "dependencies": {
+        "memory-pager": "^1.0.2"
+      }
+    },
+    "node_modules/tr46": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-5.1.1.tgz",
+      "integrity": "sha512-hdF5ZgjTqgAntKkklYw0R03MG2x/bSzTtkxmIRw/sTNV8YXsCJ1tfLAX23lhxhHJlEf3CRCOCGGWw3vI3GaSPw==",
+      "license": "MIT",
+      "dependencies": {
+        "punycode": "^2.3.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/whatwg-url": {
+      "version": "14.2.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-14.2.0.tgz",
+      "integrity": "sha512-De72GdQZzNTUBBChsXueQUnPKDkg/5A5zp7pFDuQAj5UFoENpiACU0wlCvzpAGnTkj++ihpKwKyYewn/XNUbKw==",
+      "license": "MIT",
+      "dependencies": {
+        "tr46": "^5.1.0",
+        "webidl-conversions": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    }
+  }
+}
diff --git a/Week4/homework/ex2-transactions/package.json b/Week4/homework/ex2-transactions/package.json
new file mode 100644
index 000000000..52fc72f07
--- /dev/null
+++ b/Week4/homework/ex2-transactions/package.json
@@ -0,0 +1,16 @@
+{
+  "name": "ex2-transactions",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "keywords": [],
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "dotenv": "^17.2.3",
+    "mongodb": "^7.0.0"
+  }
+}
diff --git a/Week4/homework/ex2-transactions/results/ex1.png b/Week4/homework/ex2-transactions/results/ex1.png
new file mode 100644
index 000000000..72a4970ec
Binary files /dev/null and b/Week4/homework/ex2-transactions/results/ex1.png differ
diff --git a/Week4/homework/ex2-transactions/setup.js b/Week4/homework/ex2-transactions/setup.js
new file mode 100644
index 000000000..4bfb15f82
--- /dev/null
+++ b/Week4/homework/ex2-transactions/setup.js
@@ -0,0 +1,44 @@
+require("dotenv/config");
+const { MongoClient } = require("mongodb");
+
+const uri = process.env.MONGO_URI;
+const client = new MongoClient(uri);
+
+async function setup() {
+    const session = client.startSession();
+
+    try {
+        await client.connect();
+
+        await session.withTransaction(async () => {
+            const db = client.db("dbWeek4");
+            const accounts = db.collection("accounts");
+
+            await accounts.deleteMany({}, { session });
+
+            await accounts.insertMany([
+                {
+                    account_number: 101,
+                    balance: 5000,
+                    account_changes: []
+                },
+                {
+                    account_number: 102,
+                    balance: 2000,
+                    account_changes: []
+                }
+            ], { session });
+        });
+
+        console.log("Setup complete! Accounts created.");
+    } catch (err) {
+        console.error(err);
+    } finally {
+        await session.endSession();
+        await client.close();
+    }
+}
+
+module.exports = { setup };
+
+if (require.main === module) setup();
diff --git a/Week4/homework/ex2-transactions/transfer.js b/Week4/homework/ex2-transactions/transfer.js
new file mode 100644
index 000000000..0c271b3ab
--- /dev/null
+++ b/Week4/homework/ex2-transactions/transfer.js
@@ -0,0 +1,65 @@
+require("dotenv/config");
+const { MongoClient } = require("mongodb");
+
+const client = new MongoClient(process.env.MONGO_URI);
+
+async function transfer(from, to, amount, remark) {
+    const session = client.startSession();
+
+    try {
+        await session.withTransaction(async () => {
+            const db = client.db("dbWeek4");
+            const accounts = db.collection("accounts");
+
+            const accFrom = await accounts.findOne({ account_number: from }, { session });
+            const accTo = await accounts.findOne({ account_number: to }, { session });
+
+            if (!accFrom || !accTo) throw new Error("No account found");
+            if (accFrom.balance < amount) throw new Error("Not enough money");
+
+            const lastChangeFrom = accFrom.account_changes.at(-1)?.change_number || 0;
+            const lastChangeTo = accTo.account_changes.at(-1)?.change_number || 0;
+
+            await accounts.updateOne(
+                { account_number: from },
+                {
+                    $inc: { balance: -amount },
+                    $push: {
+                        account_changes: {
+                            change_number: lastChangeFrom + 1,
+                            amount: -amount,
+                            changed_date: new Date(),
+                            remark
+                        }
+                    }
+                },
+                { session }
+            );
+
+            await accounts.updateOne(
+                { account_number: to },
+                {
+                    $inc: { balance: amount },
+                    $push: {
+                        account_changes: {
+                            change_number: lastChangeTo + 1,
+                            amount: amount,
+                            changed_date: new Date(),
+                            remark
+                        }
+                    }
+                },
+                { session }
+            );
+        });
+
+        console.log(`Transferred ${amount} from ${from} to ${to}`);
+    } catch (err) {
+        console.error("Transaction aborted:", err);
+    } finally {
+        await session.endSession();
+        await client.close();
+    }
+}
+
+module.exports = { transfer };
diff --git a/package-lock.json b/package-lock.json
new file mode 100644
index 000000000..e74e0a2d6
--- /dev/null
+++ b/package-lock.json
@@ -0,0 +1,162 @@
+{
+  "name": "databases-cohort54",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "mongodb": "^7.0.0"
+      }
+    },
+    "node_modules/@mongodb-js/saslprep": {
+      "version": "1.3.2",
+      "resolved": "https://registry.npmjs.org/@mongodb-js/saslprep/-/saslprep-1.3.2.tgz",
+      "integrity": "sha512-QgA5AySqB27cGTXBFmnpifAi7HxoGUeezwo6p9dI03MuDB6Pp33zgclqVb6oVK3j6I9Vesg0+oojW2XxB59SGg==",
+      "license": "MIT",
+      "dependencies": {
+        "sparse-bitfield": "^3.0.3"
+      }
+    },
+    "node_modules/@types/webidl-conversions": {
+      "version": "7.0.3",
+      "resolved": "https://registry.npmjs.org/@types/webidl-conversions/-/webidl-conversions-7.0.3.tgz",
+      "integrity": "sha512-CiJJvcRtIgzadHCYXw7dqEnMNRjhGZlYK05Mj9OyktqV8uVT8fD2BFOB7S1uwBE3Kj2Z+4UyPmFw/Ixgw/LAlA==",
+      "license": "MIT"
+    },
+    "node_modules/@types/whatwg-url": {
+      "version": "13.0.0",
+      "resolved": "https://registry.npmjs.org/@types/whatwg-url/-/whatwg-url-13.0.0.tgz",
+      "integrity": "sha512-N8WXpbE6Wgri7KUSvrmQcqrMllKZ9uxkYWMt+mCSGwNc0Hsw9VQTW7ApqI4XNrx6/SaM2QQJCzMPDEXE058s+Q==",
+      "license": "MIT",
+      "dependencies": {
+        "@types/webidl-conversions": "*"
+      }
+    },
+    "node_modules/bson": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/bson/-/bson-7.0.0.tgz",
+      "integrity": "sha512-Kwc6Wh4lQ5OmkqqKhYGKIuELXl+EPYSCObVE6bWsp1T/cGkOCBN0I8wF/T44BiuhHyNi1mmKVPXk60d41xZ7kw==",
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=20.19.0"
+      }
+    },
+    "node_modules/memory-pager": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/memory-pager/-/memory-pager-1.5.0.tgz",
+      "integrity": "sha512-ZS4Bp4r/Zoeq6+NLJpP+0Zzm0pR8whtGPf1XExKLJBAczGMnSi3It14OiNCStjQjM6NU1okjQGSxgEZN8eBYKg==",
+      "license": "MIT"
+    },
+    "node_modules/mongodb": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/mongodb/-/mongodb-7.0.0.tgz",
+      "integrity": "sha512-vG/A5cQrvGGvZm2mTnCSz1LUcbOPl83hfB6bxULKQ8oFZauyox/2xbZOoGNl+64m8VBrETkdGCDBdOsCr3F3jg==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@mongodb-js/saslprep": "^1.3.0",
+        "bson": "^7.0.0",
+        "mongodb-connection-string-url": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=20.19.0"
+      },
+      "peerDependencies": {
+        "@aws-sdk/credential-providers": "^3.806.0",
+        "@mongodb-js/zstd": "^7.0.0",
+        "gcp-metadata": "^7.0.1",
+        "kerberos": "^7.0.0",
+        "mongodb-client-encryption": ">=7.0.0 <7.1.0",
+        "snappy": "^7.3.2",
+        "socks": "^2.8.6"
+      },
+      "peerDependenciesMeta": {
+        "@aws-sdk/credential-providers": {
+          "optional": true
+        },
+        "@mongodb-js/zstd": {
+          "optional": true
+        },
+        "gcp-metadata": {
+          "optional": true
+        },
+        "kerberos": {
+          "optional": true
+        },
+        "mongodb-client-encryption": {
+          "optional": true
+        },
+        "snappy": {
+          "optional": true
+        },
+        "socks": {
+          "optional": true
+        }
+      }
+    },
+    "node_modules/mongodb-connection-string-url": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/mongodb-connection-string-url/-/mongodb-connection-string-url-7.0.0.tgz",
+      "integrity": "sha512-irhhjRVLE20hbkRl4zpAYLnDMM+zIZnp0IDB9akAFFUZp/3XdOfwwddc7y6cNvF2WCEtfTYRwYbIfYa2kVY0og==",
+      "license": "Apache-2.0",
+      "dependencies": {
+        "@types/whatwg-url": "^13.0.0",
+        "whatwg-url": "^14.1.0"
+      },
+      "engines": {
+        "node": ">=20.19.0"
+      }
+    },
+    "node_modules/punycode": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.3.1.tgz",
+      "integrity": "sha512-vYt7UD1U9Wg6138shLtLOvdAu+8DsC/ilFtEVHcH+wydcSpNE20AfSOduf6MkRFahL5FY7X1oU7nKVZFtfq8Fg==",
+      "license": "MIT",
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/sparse-bitfield": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/sparse-bitfield/-/sparse-bitfield-3.0.3.tgz",
+      "integrity": "sha512-kvzhi7vqKTfkh0PZU+2D2PIllw2ymqJKujUcyPMd9Y75Nv4nPbGJZXNhxsgdQab2BmlDct1YnfQCguEvHr7VsQ==",
+      "license": "MIT",
+      "dependencies": {
+        "memory-pager": "^1.0.2"
+      }
+    },
+    "node_modules/tr46": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/tr46/-/tr46-5.1.1.tgz",
+      "integrity": "sha512-hdF5ZgjTqgAntKkklYw0R03MG2x/bSzTtkxmIRw/sTNV8YXsCJ1tfLAX23lhxhHJlEf3CRCOCGGWw3vI3GaSPw==",
+      "license": "MIT",
+      "dependencies": {
+        "punycode": "^2.3.1"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    },
+    "node_modules/webidl-conversions": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-7.0.0.tgz",
+      "integrity": "sha512-VwddBukDzu71offAQR975unBIGqfKZpM+8ZX6ySk8nYhVoo5CYaZyzt3YBvYtRtO+aoGlqxPg/B87NGVZ/fu6g==",
+      "license": "BSD-2-Clause",
+      "engines": {
+        "node": ">=12"
+      }
+    },
+    "node_modules/whatwg-url": {
+      "version": "14.2.0",
+      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-14.2.0.tgz",
+      "integrity": "sha512-De72GdQZzNTUBBChsXueQUnPKDkg/5A5zp7pFDuQAj5UFoENpiACU0wlCvzpAGnTkj++ihpKwKyYewn/XNUbKw==",
+      "license": "MIT",
+      "dependencies": {
+        "tr46": "^5.1.0",
+        "webidl-conversions": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=18"
+      }
+    }
+  }
+}
diff --git a/package.json b/package.json
new file mode 100644
index 000000000..af87bd6da
--- /dev/null
+++ b/package.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "mongodb": "^7.0.0"
+  }
+}