clay-reliability-patterns

Implement Clay reliability patterns including circuit breakers, idempotency, and graceful degradation. Use when building fault-tolerant Clay integrations, implementing retry strategies, or adding resilience to production Clay services. Trigger with phrases like "clay reliability", "clay circuit breaker", "clay idempotent", "clay resilience", "clay fallback", "clay bulkhead".

Install with Tessl CLI

npx tessl i github:jeremylongshore/claude-code-plugins-plus-skills --skill clay-reliability-patterns

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Clay Reliability Patterns

Overview

Production-grade reliability patterns for Clay integrations.

Prerequisites

Understanding of circuit breaker pattern
opossum or similar library installed
Queue infrastructure for DLQ
Caching layer for fallbacks

Circuit Breaker

import CircuitBreaker from 'opossum';

const clayBreaker = new CircuitBreaker(
  async (operation: () => Promise<any>) => operation(),
  {
    timeout: 30000,
    errorThresholdPercentage: 50,
    resetTimeout: 30000,
    volumeThreshold: 10,
  }
);

// Events
clayBreaker.on('open', () => {
  console.warn('Clay circuit OPEN - requests failing fast');
  alertOps('Clay circuit breaker opened');
});

clayBreaker.on('halfOpen', () => {
  console.info('Clay circuit HALF-OPEN - testing recovery');
});

clayBreaker.on('close', () => {
  console.info('Clay circuit CLOSED - normal operation');
});

// Usage
async function safeClayCall<T>(fn: () => Promise<T>): Promise<T> {
  return clayBreaker.fire(fn);
}

Idempotency Keys

import { v4 as uuidv4 } from 'uuid';
import crypto from 'crypto';

// Generate deterministic idempotency key from input
function generateIdempotencyKey(
  operation: string,
  params: Record<string, any>
): string {
  const data = JSON.stringify({ operation, params });
  return crypto.createHash('sha256').update(data).digest('hex');
}

// Or use random key with storage
class IdempotencyManager {
  private store: Map<string, { key: string; expiresAt: Date }> = new Map();

  getOrCreate(operationId: string): string {
    const existing = this.store.get(operationId);
    if (existing && existing.expiresAt > new Date()) {
      return existing.key;
    }

    const key = uuidv4();
    this.store.set(operationId, {
      key,
      expiresAt: new Date(Date.now() + 24 * 60 * 60 * 1000),
    });
    return key;
  }
}

Bulkhead Pattern

import PQueue from 'p-queue';

// Separate queues for different operations
const clayQueues = {
  critical: new PQueue({ concurrency: 10 }),
  normal: new PQueue({ concurrency: 5 }),
  bulk: new PQueue({ concurrency: 2 }),
};

async function prioritizedClayCall<T>(
  priority: 'critical' | 'normal' | 'bulk',
  fn: () => Promise<T>
): Promise<T> {
  return clayQueues[priority].add(fn);
}

// Usage
await prioritizedClayCall('critical', () =>
  clayClient.processPayment(order)
);

await prioritizedClayCall('bulk', () =>
  clayClient.syncCatalog(products)
);

Timeout Hierarchy

const TIMEOUT_CONFIG = {
  connect: 5000,      // Initial connection
  request: 30000,     // Standard requests
  upload: 120000,     // File uploads
  longPoll: 300000,   // Webhook long-polling
};

async function timedoutClayCall<T>(
  operation: 'connect' | 'request' | 'upload' | 'longPoll',
  fn: () => Promise<T>
): Promise<T> {
  const timeout = TIMEOUT_CONFIG[operation];

  return Promise.race([
    fn(),
    new Promise<never>((_, reject) =>
      setTimeout(() => reject(new Error(`Clay ${operation} timeout`)), timeout)
    ),
  ]);
}

Graceful Degradation

interface ClayFallback {
  enabled: boolean;
  data: any;
  staleness: 'fresh' | 'stale' | 'very_stale';
}

async function withClayFallback<T>(
  fn: () => Promise<T>,
  fallbackFn: () => Promise<T>
): Promise<{ data: T; fallback: boolean }> {
  try {
    const data = await fn();
    // Update cache for future fallback
    await updateFallbackCache(data);
    return { data, fallback: false };
  } catch (error) {
    console.warn('Clay failed, using fallback:', error.message);
    const data = await fallbackFn();
    return { data, fallback: true };
  }
}

Dead Letter Queue

interface DeadLetterEntry {
  id: string;
  operation: string;
  payload: any;
  error: string;
  attempts: number;
  lastAttempt: Date;
}

class ClayDeadLetterQueue {
  private queue: DeadLetterEntry[] = [];

  add(entry: Omit<DeadLetterEntry, 'id' | 'lastAttempt'>): void {
    this.queue.push({
      ...entry,
      id: uuidv4(),
      lastAttempt: new Date(),
    });
  }

  async processOne(): Promise<boolean> {
    const entry = this.queue.shift();
    if (!entry) return false;

    try {
      await clayClient[entry.operation](entry.payload);
      console.log(`DLQ: Successfully reprocessed ${entry.id}`);
      return true;
    } catch (error) {
      entry.attempts++;
      entry.lastAttempt = new Date();

      if (entry.attempts < 5) {
        this.queue.push(entry);
      } else {
        console.error(`DLQ: Giving up on ${entry.id} after 5 attempts`);
        await alertOnPermanentFailure(entry);
      }
      return false;
    }
  }
}

Health Check with Degraded State

type HealthStatus = 'healthy' | 'degraded' | 'unhealthy';

async function clayHealthCheck(): Promise<{
  status: HealthStatus;
  details: Record<string, any>;
}> {
  const checks = {
    api: await checkApiConnectivity(),
    circuitBreaker: clayBreaker.stats(),
    dlqSize: deadLetterQueue.size(),
  };

  const status: HealthStatus =
    !checks.api.connected ? 'unhealthy' :
    checks.circuitBreaker.state === 'open' ? 'degraded' :
    checks.dlqSize > 100 ? 'degraded' :
    'healthy';

  return { status, details: checks };
}

Instructions

Step 1: Implement Circuit Breaker

Wrap Clay calls with circuit breaker.

Step 2: Add Idempotency Keys

Generate deterministic keys for operations.

Step 3: Configure Bulkheads

Separate queues for different priorities.

Step 4: Set Up Dead Letter Queue

Handle permanent failures gracefully.

Output

Circuit breaker protecting Clay calls
Idempotency preventing duplicates
Bulkhead isolation implemented
DLQ for failed operations

Error Handling

Issue	Cause	Solution
Circuit stays open	Threshold too low	Adjust error percentage
Duplicate operations	Missing idempotency	Add idempotency key
Queue full	Rate too high	Increase concurrency
DLQ growing	Persistent failures	Investigate root cause

Examples

Quick Circuit Check

const state = clayBreaker.stats().state;
console.log('Clay circuit:', state);

Resources

Next Steps

For policy enforcement, see clay-policy-guardrails.

Repository: jeremylongshore/claude-code-plugins-plus-skills
Commit: 22fc789
Last updated: about 1 month ago
Created: about 1 month ago

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