Ainoflow Shield

Execution protection for AI agents and automation workflows

Available via API and MCP

Never worry about duplicate executions again.
One trigger - one execution. Guaranteed.
Copy, paste, protected. Works with n8n, Make.com, any webhook.

How It Works

Simple 3-step protection for any workflow

1
Acquire Lock

POST to Shield before workflow starts

201 Created → Continue
409 Conflict → Skip (duplicate)
2
Execute Workflow

Run your business logic safely

Lock protects against duplicates
Renew for long workflows
3
Complete

Mark lock as completed when done

TTL extended to 30 days
Future duplicates detected

Key Features

Everything you need for workflow protection

Exactly-Once Execution

Guarantee each workflow runs exactly once, even with retries and parallel triggers.

Sub-millisecond protection with automatic expiration
Duplicate Protection

Prevent duplicate workflow executions from webhook retries, double-clicks, and race conditions.

Webhook retries
User double-clicks
Network timeouts
Race conditions
TTL & Lifecycle

Automatic lock expiration with configurable TTL. Completed locks persist for 30 days for audit.

Default TTL: 30 min, Max lifetime: 24h, Completed: 30 days
Heartbeat Support

Renew locks for long-running workflows. Prevent premature expiration with heartbeat pattern.

Renew at ~50% TTL window for reliability
Zero Configuration

No idempotency setup required. Copy, paste, protected. Works instantly with any webhook.

One HTTP request before your workflow: 200 = continue, 409 = stop
MCP Protocol Support

Direct integration with AI agents for idempotent task execution.

OpenAI Agent Builder, Claude Desktop, Cursor IDE integration

Use Cases

Perfect for preventing duplicate executions

Webhook Idempotency

Protect against duplicate webhook deliveries from payment providers, CRMs, and APIs.

Long-Running Workflows

Protect multi-step workflows with heartbeat pattern. Renew locks during execution.

AI Agent Tasks

Ensure AI agents execute tasks exactly once, even with retries and parallel execution.

Critical Operations

Protect invoicing, order processing, and other business-critical operations from duplicates.

Integration Paths

Built to work with your agents and automation tools

For AI Agents
  • MCP protocol integration
  • OpenAI Agent Builder support
  • Claude Desktop support
  • Cursor IDE support
  • shield_acquire/complete/renew tools
  • shield://{key} resources
For Workflows
  • REST API integration
  • Simple HTTP request nodes
  • n8n IF node for duplicate check
  • Make.com scenarios
  • Zapier webhook protection

API Overview

Simple REST API for duplicate prevention

Core Operations
POST
/api/v1/shield/{key}Acquire lock
PUT
/api/v1/shield/{key}/completeMark completed
PUT
/api/v1/shield/{key}/renewHeartbeat
GET
/api/v1/shield/{key}Check status
DELETE
/api/v1/shield/{key}Delete lock
Key Specifications
Default lock TTL:30 minutes
Max lock lifetime:24 hours
Completed lock TTL:30 days
Key length:Up to 512 chars
Token security:128-bit random

Business Value

Built for European automation agencies and businesses

Prevent Data Corruption
100%

Protection against duplicate invoices, orders, and notifications

Zero Learning Curve
Copy & Paste

No idempotency expertise required. Add one HTTP node, protected.

European Compliance
GDPR

EU-based processing with automatic data isolation

Ready to protect your workflows?

Start with Free plan and protect your automations from duplicate executions.
One trigger, one execution. Guaranteed.