
Connect Idempotency Key Enforcer to ChatGPT and Claude
Set it up once and it works in ChatGPT, Claude, Cursor, and any other client you love. It all runs safely in the background, so you can relax and focus on what really matters. Stop your AI agents from repeating the same side-effectful tasks.
Developed, maintained, and hosted by Vinkius.
MCP VERIFIED · PRODUCTION READY · VINKIUS GUARANTEED
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Works with modern AI clients that support MCP, including ChatGPT, Claude, Cursor, and more.
Your AI does the work. We keep it safe and sound.
No other AI tool gives you this. Your workflow runs in the client you already love, your account stays protected, and you decide what the agent can and cannot do. It is the whole reason to make the switch.
Each Connector lives inside our infrastructure, the same place where your workflow runs. The three things below are already part of it, working quietly in the background so you never have to think about them. Nothing to add, nothing to set up, nothing to worry about.

Each Connector runs inside its own sealed environment.
Each Connector runs inside its own sealed V8 runtime — no access to your files, your system, or other servers. A Connector never sees past its own request.
One switch stops every agent. Instantly.
One action deactivates every Connector, revokes every token, and ends every session at once. AI Governance keeps the record.
Spending limits that pause instead of surprise.
Every user keeps their own connections and credentials, isolated from everyone else. Anything that would cross your spending limit is held for your approval, not billed.
Three controls, built into the layer your AI connects through.
Curated set · 3 capabilities
We ship only the actions that matter.
01-03
3 capabilities in this set.
Part of 3 available through Idempotency Key Enforcer.
- 01
Check idempotency
This capability checks if a specific operation signature has already been processed. It's your first line of defense against duplicate actions.
- 02
Clear cache
This capability wipes the entire idempotency cache. Use it when you need a fresh start or a complete reset of tracked signatures.
- 03
Get cache stats
Use this to pull current performance metrics from the cache. It shows you hits, misses, and evictions.
Real work
What teams actually run
Financial Transactions
Ensure an agent doesn't trigger the same payment twice if a network timeout causes a retry.
Database Management
Stop an agent from creating duplicate user records during a repetitive loop.
Automated Messaging
Prevent an agent from sending the same notification multiple times to a user.
API Integration
Protect external services from being hammered by redundant requests from an agent.
One connector, every AI
Idempotency Key Enforcer works with the most popular AI clients.
These are the most popular clients, each with a step-by-step guide: one link, set up once, with governance and visibility built in. And because everything runs on the MCP standard, the same connection also works in any other compatible client — nothing to rebuild.
Claude
ChatGPT
Gemini
Perplexity
Grok
Microsoft Copilot
Cursor
VS Code
Windsurf
JetBrains
Cline
LangChain
Vercel AI SDK
Lovable
Z.ai
Raycast
Qwen Code
Kimi Code
Le ChatBuilding your own app? The connector is yours to use.
You don't need a client to put Idempotency Key Enforcer to work: the same hosted connection plugs into your own applications and agent code, with the same governance on every request. Build with it, chat with it — one connection for both.
Observed, not estimated
700ms average. Fast in production.
Idempotency Key Enforcer is checked daily against the live service.
- Fastest day
- 571ms
- Slowest day
- 830ms
- 14-day trend
- Improving-15%
Connect your client
One URL. Every client.
Activate the Connector, copy your link, and paste it into the client you already use. 3 capabilities arrive ready to run.
Preview access · not provider authentication
The vk_preview_* token belongs to Vinkius preview infrastructure. It lets Claude discover and display the capabilities of Idempotency Key Enforcer, so you can see the experience inside your AI.
It does not authenticate your account with Idempotency Key Enforcer. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.
Idempotency Key Enforcer Connector
You're all set. Choose your MCP client and follow the setup instructions.
https://edge.vinkius.com/vk_preview_juqCsQirdsdAHbe2vOWswA3Qlls8Xw9dlgUbSRG8/mcpClaude Desktop
Follow the steps below to connect in seconds.
- 1In Claude Desktop, open Settings → Connectors.
- 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
- 3Click Add and start a new chat — Idempotency Key Enforcer capabilities are ready to use.
{
"mcpServers": {
"idempotency-key-enforcer-mcp": {
"url": "https://edge.vinkius.com/vk_preview_juqCsQirdsdAHbe2vOWswA3Qlls8Xw9dlgUbSRG8/mcp"
}
}
}
Claude
ChatGPT
Cursor
VS Code
Windsurf
Claude Code
JetBrains
Cline
Step-by-step instructions for each client are in the guide. How to connect
Guided setup for Claude? Set up Idempotency Key Enforcer in Claude and other AIs
Who it's for
Built for the work Idempotency Key Enforcer owners hand off.
This is for developers building autonomous agents that interact with real-world systems.
- 01
AI Engineer
Building agentic workflows that require strict execution guarantees.
- 02
Backend Developer
Adding a safety layer to prevent duplicate API calls or database entries from AI clients.
- 03
DevOps Engineer
Managing the reliability of automated agent loops and retry logic.
FAQ
Questions Idempotency Key Enforcer owners ask.
- 01
What is an idempotency key?
It is a unique identifier for an operation. If the same key is used again, the system knows it's a duplicate and won't perform the action a second time.
- 02
How does this MCP prevent duplicate actions?
It uses an in-memory LRU cache to store signatures of operations that have already been completed.
- 03
Which AI clients can use this MCP?
Any MCP-compatible client, including Claude, Cursor, Windsurf, and VS Code.
- 04
Where is the data stored?
The signatures and results are stored in an in-memory LRU cache managed by the MCP.
- 05
Can I clear the history of performed operations?
Yes, you can use the clear_cache capability to wipe the current idempotency cache.
- 06
How does the enforcer identify duplicate operations?
It uses an operation signature, which is a deterministic hash of the function name and its sorted arguments. If this exact signature exists in the cache, it is flagged as a duplicate.
- 07
What happens when the cache reaches its capacity?
The server implements an LRU (Least Recently Used) eviction policy. When the limit is reached, the oldest, least-accessed entries are removed to make room for new operations.
- 08
Can I see how many hits or misses have occurred?
Yes. By calling the get_cache_stats capability, you can retrieve real-time telemetry including hit counts, miss counts, and eviction counts.
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Connect Idempotency Key Enforcer to Claude, Cursor, ChatGPT & more
