{"library":"pymongo","title":"PyMongo","description":"Official MongoDB Python driver. Synchronous client for MongoDB. v4.0 removed all APIs deprecated in v3.x — insert(), update(), remove(), count(), save() all gone. Current version: 4.16.0 (Mar 2026). Python 3.9+ required (3.8 dropped in v4.11). AsyncMongoClient added as GA in v4.13. Most LLM-generated pymongo code uses v3 patterns that break on v4.","language":"python","status":"active","last_verified":"Tue May 19","install":{"commands":["pip install pymongo","pip install 'pymongo[srv]'"],"cli":null},"imports":["from pymongo import MongoClient\n\nclient = MongoClient('mongodb+srv://user:pass@cluster.mongodb.net/')\ndb = client['mydb']\ncollection = db['users']\n\n# Insert\nresult = collection.insert_one({'name': 'Alice', 'age': 30})\nprint(result.inserted_id)\n\n# Find\ndoc = collection.find_one({'name': 'Alice'})\n\n# Update\ncollection.update_one({'name': 'Alice'}, {'$set': {'age': 31}})\n\n# Count\ncount = collection.count_documents({'age': {'$gt': 18}})\n\n# Delete\ncollection.delete_one({'name': 'Alice'})","from pymongo import AsyncMongoClient\nimport asyncio\n\nasync def main():\n    client = AsyncMongoClient('mongodb+srv://user:pass@cluster.mongodb.net/')\n    db = client['mydb']\n    result = await db['users'].insert_one({'name': 'Alice'})\n    print(result.inserted_id)\n    await client.close()\n\nasyncio.run(main())"],"auth":{"required":false,"env_vars":[]},"quickstart":{"code":"# pip install 'pymongo[srv]'\nfrom pymongo import MongoClient\n\nclient = MongoClient('mongodb+srv://user:pass@cluster.mongodb.net/')\ndb = client['mydb']\ncol = db['users']\n\n# Insert\ncol.insert_one({'name': 'Alice', 'age': 30})\n\n# Find\nfor doc in col.find({'age': {'$gt': 18}}):\n    print(doc)\n\n# Update\ncol.update_one({'name': 'Alice'}, {'$set': {'age': 31}})\n\n# Count\nprint(col.count_documents({}))\n\n# Delete\ncol.delete_one({'name': 'Alice'})\n\nclient.close()","lang":"python","description":"Minimal pymongo 4.x CRUD operations.","tag":"stale","tag_description":"widespread failures or data too old to 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