MCP For Claude Marketplace
Crypto Hash Engine

Crypto Hash Engine MCP Connector for Claude

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Sign API requests and Webhooks deterministically. Instantly generate mathematical HMAC, SHA-256, or MD5 hashes without AI hallucinations.

1 tools Official Updated Oct 1, 2026 Official Vinkius Partner
More Details Connect to Claude

When integrating with platforms like Stripe, Shopify, or Banking APIs, your AI Agent often needs to sign the payload using an HMAC-SHA256 hash. LLMs cannot perform cryptographic math. If you ask an LLM to generate a SHA-256 hash of a string, it will guess and fail. This MCP solves that by offloading the cryptography to the V8 engine.

The Superpowers

  • Mathematical Certainty: Uses the native Node.js crypto library to guarantee 100% accurate hashes.
  • HMAC Signatures: Securely sign webhooks and API payloads by providing the shared secret.
cryptohashhmacsha256signature

1 tools expose this connector's capabilities to your AI agent.

hash_payload

Pass the raw payload, optionally choose the algorithm (md5, sha1, sha256, sha512), and provide a secret key if you need HMAC signing for webhook verification. Generates a mathematical cryptographic hash (MD5, SHA-256) or HMAC for signing webhooks and API payloads

See how to talk to your AI agent using Crypto Hash Engine.

Generate a SHA-256 hash of this string: `user@example.com`.

Hash Generated: `b4c9a289323b21a01c3e940f150eb9b8c542587f1abfd8f0e1cc1ffc5e475514`

Sign this Stripe webhook payload using HMAC-SHA256 with the secret `whsec_123`.

Signed Payload: Returned exact hex digest.

Create an MD5 checksum for this file content string.

MD5 Checksum: Computed successfully.

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

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