MCPInstall

mongodb-atlas

MongoDB Atlas cloud database management including clusters, schemas, aggregation pipelines, and Prisma ORM integration. Activate for MongoDB queries, schema design, indexing, and Atlas administration.

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/thelobbi/claude --skill mongodb-atlas
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads mongodb-atlas automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

MongoDB Atlas Skill

Provides comprehensive MongoDB and MongoDB Atlas capabilities for the Alpha Members Platform.

When to Use This Skill

Activate this skill when working with:

  • MongoDB query development
  • Schema design and modeling
  • Aggregation pipelines
  • Index optimization
  • Prisma MongoDB integration
  • Atlas cluster management
  • Database performance tuning

Quick Reference

Docker Commands

# Start local MongoDB
docker-compose up mongodb -d

# Connect to MongoDB shell
docker exec -it mongodb mongosh -u root -p rootpassword

# Check MongoDB logs
docker logs mongodb -f --tail=100

MongoDB Shell Commands

// Switch to database
use member_db

// List collections
show collections

// Find documents
db.members.find({ status: "ACTIVE" }).limit(10)

// Insert document
db.members.insertOne({ email: "test@example.com", status: "PENDING" })

// Update document
db.members.updateOne(
  { email: "test@example.com" },
  { $set: { status: "ACTIVE" } }
)

// Aggregation
db.members.aggregate([
  { $match: { status: "ACTIVE" } },
  { $group: { _id: "$profile.company", count: { $sum: 1 } } }
])

Connection Strings

# Local Docker
mongodb://root:rootpassword@localhost:27017/member_db?authSource=admin

# Atlas (example)
mongodb+srv://user:password@cluster.mongodb.net/member_db?retryWrites=true&w=majority

Schema Design

Prisma MongoDB Schema

datasource db {
  provider = "mongodb"
  url      = env("DATABASE_URL")
}

model Member {
  id              String          @id @default(auto()) @map("_id") @db.ObjectId
  keycloakUserId  String          @unique
  email           String          @unique
  firstName       String
  lastName        String
  status          MemberStatus    @default(PENDING)
  profile         MemberProfile?  // Embedded
  addresses       MemberAddress[] // Embedded array
  memberships     Membership[]    // Relation
  createdAt       DateTime        @default(now())
  updatedAt       DateTime        @updatedAt

  @@index([status])
  @@index([email])
}

type MemberProfile {
  jobTitle    String?
  company     String?
  timezone    String  @default("UTC")
}

type MemberAddress {
  type        AddressType
  street1     String
  city        String
  state       String
  postalCode  String
}

Collections

members

{
  _id: ObjectId("..."),
  keycloakUserId: "uuid",
  email: "user@example.com",
  firstName: "John",
  lastName: "Doe",
  status: "ACTIVE",
  profile: {
    jobTitle: "Engineer",
    company: "Acme Corp"
  },
  addresses: [
    { type: "HOME", street1: "123 Main St", ... }
  ],
  createdAt: ISODate("..."),
  updatedAt: ISODate("...")
}

memberships

{
  _id: ObjectId("..."),
  memberId: ObjectId("..."),
  type: "INDIVIDUAL",
  level: "PREMIUM",
  status: "ACTIVE",
  startDate: ISODate("..."),
  payment: {
    method: "card",
    amount: 99.99,
    currency: "USD"
  }
}

member_activities

{
  _id: ObjectId("..."),
  memberId: ObjectId("..."),
  action: "LOGIN",
  category: "AUTH",
  ipAddress: "192.168.1.1",
  createdAt: ISODate("...")
}

Indexing

Recommended Indexes

// Members collection
db.members.createIndex({ keycloakUserId: 1 }, { unique: true })
db.members.createIndex({ email: 1 }, { unique: true })
db.members.createIndex({ status: 1, createdAt: -1 })
db.members.createIndex({ "profile.company": 1 })

// Text search
db.members.createIndex({
  firstName: "text",
  lastName: "text",
  email: "text",
  "profile.company": "text"
})

// Memberships
db.memberships.createIndex({ memberId: 1 })
db.memberships.createIndex({ status: 1, endDate: 1 })

// Activities (with TTL)
db.member_activities.createIndex({ memberId: 1, createdAt: -1 })
db.member_activities.createIndex(
  { createdAt: 1 },
  { expireAfterSeconds: 31536000 } // 1 year TTL
)

Aggregation Pipelines

Member Statistics

db.members.aggregate([
  { $facet: {
      byStatus: [
        { $group: { _id: "$status", count: { $sum: 1 } } }
      ],
      byMonth: [
        { $group: {
            _id: { $dateToString: { format: "%Y-%m", date: "$createdAt" } },
            count: { $sum: 1 }
          }
        },
        { $sort: { _id: 1 } }
      ],
      total: [{ $count: "count" }]
    }
  }
])

Member with Memberships

db.members.aggregate([
  { $match: { _id: ObjectId("...") } },
  { $lookup: {
      from: "memberships",
      localField: "_id",
      foreignField: "memberId",
      as: "memberships"
    }
  }
])

Prisma Operations

// Find member
const member = await prisma.member.findUnique({
  where: { email: "user@example.com" },
  include: { memberships: true }
});

// Create member with embedded profile
const newMember = await prisma.member.create({
  data: {
    email: "new@example.com",
    firstName: "Jane",
    lastName: "Doe",
    keycloakUserId: "uuid",
    profile: {
      jobTitle: "Manager",
      company: "Acme"
    }
  }
});

// Update with push to array
const updated = await prisma.member.update({
  where: { id: "..." },
  data: {
    addresses: {
      push: {
        type: "WORK",
        street1: "456 Office Blvd",
        city: "Boston",
        state: "MA",
        postalCode: "02102"
      }
    }
  }
});

// Aggregation with Prisma
const stats = await prisma.member.groupBy({
  by: ['status'],
  _count: true
});

Performance Optimization

Query Optimization

// Use projection to limit returned fields
db.members.find(
  { status: "ACTIVE" },
  { firstName: 1, lastName: 1, email: 1 }
)

// Use covered queries
db.members.find(
  { email: "user@example.com" },
  { _id: 0, email: 1, status: 1 }
).hint({ email: 1, status: 1 })

// Explain query plan
db.members.find({ status: "ACTIVE" }).explain("executionStats")

Index Analysis

// Get index usage stats
db.members.aggregate([{ $indexStats: {} }])

// Find unused indexes
db.members.aggregate([
  { $indexStats: {} },
  { $match: { "accesses.ops": 0 } }
])

Atlas CLI Commands

# Login to Atlas
atlas auth login

# List clusters
atlas clusters list --projectId <projectId>

# Create cluster
atlas clusters create alpha-dev \
  --projectId <projectId> \
  --provider AWS \
  --region US_EAST_1 \
  --tier M10

# Get connection string
atlas clusters connectionStrings describe alpha-dev

Project Files

  • Prisma Schema: prisma/schema.prisma
  • MongoDB Init: infrastructure/mongo-init/01-init-db.js
  • Docker: docker/docker-compose.yml (mongodb service)

Related Agents

  • mongodb-atlas-admin - Cluster management
  • mongodb-schema-designer - Schema design
  • mongodb-query-optimizer - Performance tuning
  • mongodb-aggregation-specialist - Complex queries

Troubleshooting

# Check MongoDB connection
docker exec mongodb mongosh --eval "db.adminCommand('ping')"

# Check replication status
docker exec mongodb mongosh --eval "rs.status()"

# Analyze slow queries
db.setProfilingLevel(1, { slowms: 100 })
db.system.profile.find().sort({ millis: -1 }).limit(10)

FAQ

What does the mongodb-atlas skill do?

MongoDB Atlas cloud database management including clusters, schemas, aggregation pipelines, and Prisma ORM integration. Activate for MongoDB queries, schema design, indexing, and Atlas administration.

How do I install mongodb-atlas?

Run npx skills add https://github.com/thelobbi/claude --skill mongodb-atlas in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/mongodb-atlas/ (personal) or .claude/skills/mongodb-atlas/ (project).

Which AI agents can use mongodb-atlas?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is mongodb-atlas safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains mongodb-atlas?

It is published by thelobbi in thelobbi/claude. It has 51 recorded installs.

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