MCPInstall

microservices-design

by rohitg00Backend & APIs

Microservices design patterns including service mesh, event-driven architecture, saga pattern, and API gateway

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/rohitg00/awesome-claude-code-toolkit --skill microservices-design
  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 microservices-design 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.

Microservices Design

Service Boundaries

Define services around business capabilities, not technical layers. Each service owns its data store and exposes a clear API contract.

order-service/       -> owns orders table, publishes OrderCreated events
inventory-service/   -> owns inventory table, subscribes to OrderCreated
payment-service/     -> owns payments table, handles payment processing
notification-service -> stateless, subscribes to events, sends emails/SMS

Event-Driven Communication

interface DomainEvent {
  eventId: string;
  eventType: string;
  aggregateId: string;
  timestamp: string;
  version: number;
  payload: Record<string, unknown>;
}

const orderCreatedEvent: DomainEvent = {
  eventId: crypto.randomUUID(),
  eventType: "order.created",
  aggregateId: orderId,
  timestamp: new Date().toISOString(),
  version: 1,
  payload: { customerId, items, totalAmount },
};

await broker.publish("orders", orderCreatedEvent);

async function handleOrderCreated(event: DomainEvent) {
  const { items } = event.payload as OrderPayload;

  for (const item of items) {
    await db.inventory.update({
      where: { productId: item.productId },
      data: { quantity: { decrement: item.quantity } },
    });
  }

  await markEventProcessed(event.eventId);
}

Use idempotency keys (eventId) to handle duplicate deliveries safely.

Saga Pattern (Orchestration)

class OrderSaga {
  private steps: SagaStep[] = [
    {
      name: "reserveInventory",
      execute: (ctx) => inventoryService.reserve(ctx.items),
      compensate: (ctx) => inventoryService.release(ctx.items),
    },
    {
      name: "processPayment",
      execute: (ctx) => paymentService.charge(ctx.customerId, ctx.amount),
      compensate: (ctx) => paymentService.refund(ctx.paymentId),
    },
    {
      name: "confirmOrder",
      execute: (ctx) => orderService.confirm(ctx.orderId),
      compensate: (ctx) => orderService.cancel(ctx.orderId),
    },
  ];

  async run(context: SagaContext): Promise<void> {
    const completed: SagaStep[] = [];

    for (const step of this.steps) {
      try {
        const result = await step.execute(context);
        Object.assign(context, result);
        completed.push(step);
      } catch (error) {
        for (const s of completed.reverse()) {
          await s.compensate(context);
        }
        throw new SagaFailedError(step.name, error);
      }
    }
  }
}

API Gateway Pattern

# Kong or similar gateway config
services:
  - name: orders
    url: http://order-service:3000
    routes:
      - paths: ["/api/v1/orders"]
        methods: [GET, POST]
    plugins:
      - name: rate-limiting
        config:
          minute: 100
      - name: jwt
      - name: correlation-id

  - name: users
    url: http://user-service:3000
    routes:
      - paths: ["/api/v1/users"]
    plugins:
      - name: rate-limiting
        config:
          minute: 200

Health Check Pattern

app.get("/health", async (req, res) => {
  const checks = {
    database: await checkDatabase(),
    cache: await checkRedis(),
    broker: await checkMessageBroker(),
  };

  const healthy = Object.values(checks).every(c => c.status === "up");

  res.status(healthy ? 200 : 503).json({
    status: healthy ? "healthy" : "degraded",
    checks,
    version: process.env.APP_VERSION,
    uptime: process.uptime(),
  });
});

Anti-Patterns

  • Sharing a database between services (tight coupling)
  • Synchronous HTTP chains across multiple services (cascading failures)
  • Building a distributed monolith (services cannot deploy independently)
  • Missing circuit breakers on inter-service calls
  • Not implementing idempotency for event handlers
  • Using distributed transactions instead of sagas

Checklist

  • Each service owns its own data store
  • Services communicate via events for async workflows
  • Saga pattern used for multi-service transactions with compensation
  • Circuit breakers protect against cascading failures
  • API gateway handles routing, rate limiting, and authentication
  • Health check endpoints report dependency status
  • Event handlers are idempotent (safe to process duplicates)
  • Services can be deployed and scaled independently

FAQ

What does the microservices-design skill do?

Microservices design patterns including service mesh, event-driven architecture, saga pattern, and API gateway

How do I install microservices-design?

Run npx skills add https://github.com/rohitg00/awesome-claude-code-toolkit --skill microservices-design 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/microservices-design/ (personal) or .claude/skills/microservices-design/ (project).

Which AI agents can use microservices-design?

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 microservices-design 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 microservices-design?

It is published by rohitg00 in rohitg00/awesome-claude-code-toolkit. It has 188 recorded installs.

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