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Connect Crypto Hash Engine to ChatGPT, Claude and Gemini

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. Get mathematically certain cryptographic signatures without AI guesswork.

Ask AI about this Connector

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.

ChatGPTClaudeCursorPerplexityGeminiMicrosoft CopilotRaycastMeta AI

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.

A futuristic MCP client docking bay
V8 Isolate01

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.

Kill Switch02

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.

FinOps per User03

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 · 1 capability

We ship only the actions that matter.

Capability set01 / 01

01

1 capability in this set.

Part of 1 available through Node Crypto.

  1. 01

    Hash payload

    This capability generates mathematical cryptographic hashes or HMAC signatures. You provide the raw payload and can specify algorithms like MD5 or SHA-256, plus a secret key for webhook signing.

Real work

What teams actually run

01

Stripe Webhook Verification

Your agent signs incoming webhook payloads to ensure they are authentic and untampered.

02

API Payload Signing

The agent generates HMAC signatures required by banking or e-commerce APIs to authorize requests.

03

Data Integrity Checks

You use the agent to create MD5 or SHA checksums to validate that a file matches its original state.

04

Password Hashing Simulation

Developers use the agent to test how different strings react to various SHA algorithms.

Automate a task

Put Node Crypto to work on one thing.

Step-by-step automations your AI runs through this Connector: the workflow, the prompts to start with, and the exact capabilities behind each move.

One connector, every AI

Node Crypto 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.

ClaudeClaudeChatGPTChatGPTGeminiGeminiPerplexityPerplexityGrokGrokMicrosoft CopilotMicrosoft CopilotCursorCursorVS CodeVS CodeWindsurfWindsurfJetBrainsJetBrainsClineClineLangChainLangChainVercel AI SDKVercel AI SDKLovableLovableZ.aiZ.aiRaycastRaycastQwen CodeQwen CodeKimi CodeKimi CodeLe ChatLe Chat

Building your own app? The connector is yours to use.

You don't need a client to put Node Crypto 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

954ms average. Fast in production.

Node Crypto is checked daily against the live service.

Daily averagePeak 1205ms
Oct 3Today
Fastest day
727ms
Slowest day
1205ms
14-day trend
Slowing+6%

Connect your client

One URL. Every client.

Activate the Connector, copy your link, and paste it into the client you already use. 1 capability arrives 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 Node Crypto, so you can see the experience inside your AI.

It does not authenticate your account with Node Crypto. Actions requiring credentials or live account data may not run until you activate the Connector and authorize the service.

Node Crypto Connector

You're all set. Choose your MCP client and follow the setup instructions.

Connector linkhttps://edge.vinkius.com/vk_preview_ExrheqLNp398PCQGOrBOD5gdyHYDjJWnoq5YE8Oh/mcp

Claude Desktop

Follow the steps below to connect in seconds.

  1. 1In Claude Desktop, open Settings → Connectors.
  2. 2Click “Add custom connector” and paste the connector link above as the remote MCP server URL.
  3. 3Click Add and start a new chat — Node Crypto capabilities are ready to use.
Configuration · claude_desktop_config.jsonCopy
{
  "mcpServers": {
    "crypto-hash-engine-mcp": {
      "url": "https://edge.vinkius.com/vk_preview_ExrheqLNp398PCQGOrBOD5gdyHYDjJWnoq5YE8Oh/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 Node Crypto in Claude and other AIs

See all the AI clients this connector works with ↑

Who it's for

Built for the work Node Crypto owners hand off.

This MCP is built for developers and engineers who need to bridge the gap between AI reasoning and strict cryptographic requirements.

  • 01

    Backend Engineer

    Hands off webhook signature verification and payload signing tasks to the agent.

  • 02

    DevOps Engineer

    Uses the agent to generate checksums for verifying file integrity and data transfers.

  • 03

    Security Researcher

    Employs the agent to quickly test different hashing algorithms on specific strings.

FAQ

Questions Node Crypto owners ask.

  • 01

    Can my AI client actually do math?

    LLMs struggle with precise math like SHA-256. This MCP offloads that math to a real execution environment to ensure the result is 100% accurate.

  • 02

    Which hashing algorithms are supported?

    The MCP supports MD5, SHA-1, SHA-256, and SHA-512.

  • 03

    How do I sign a webhook?

    You use the hash_payload capability and provide the raw payload along with your shared secret key to generate an HMAC signature.

  • 04

    Does this work with Stripe or Shopify?

    Yes, it is designed specifically for signing payloads and verifying webhooks for platforms like Stripe and Shopify.

  • 05

    Is this secure?

    The MCP uses the standard Node.js crypto library, providing the same mathematical reliability used in professional backend environments.

  • 06

    What algorithms are supported?

    MD5, SHA-1, SHA-256, and SHA-512.

  • 07

    Can it do HMAC signing?

    Yes, just provide the secret parameter and it will generate the HMAC variant.

  • 08

    Is the secret stored anywhere?

    Absolutely not. The hashing occurs in real-time in memory and the secret is immediately discarded.

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