How do I connect a Cryptography MCP server to Claude Desktop or Cursor?

To install a Cryptography MCP server, select your desired server from the directory, copy the JSON configuration snippet, and add it to your client config file (such as claude_desktop_config.json or .cursor/mcp.json).

Are Cryptography MCP servers free to use?

Yes, all Cryptography MCP servers listed in this directory are open-source and free to integrate into compatible Model Context Protocol clients.

34 Cryptography MCP Servers

Q: What are Cryptography Model Context Protocol (MCP) servers?

Model Context Protocol (MCP) servers in the Cryptography category allow AI assistants (such as Claude Desktop, Cursor, Windsurf, and Cline) to connect directly to cryptography tools, APIs, and databases without manual copy-pasting.

Discover 34 Cryptography MCP servers for AI agents. Browse, compare, and install Model Context Protocol tools that connect Claude, Cursor, and other clients to cryptography capabilities. Popular picks include HSM Kit, Waxseal Sdk, Hashproof.

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HSM Kit

Local-first Base64, Luhn, key-component XOR, and synthetic ISO-0 PIN block tools.

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Waxseal Sdk

degenlegion-com

On-chain Ed25519 identity for AI agents — verify seals by fingerprint, validate document signatures, and gate irreversible actions behind human-signed approval tokens. Hosted at api.waxseal.id/mcp; local install (npx @waxseal/mcp) for signing.

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Hashproof

Issue verifiable credentials from AI agents for $0.10 via x402. On-chain on Celo, IPFS-pinned.

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Hash

Cryptographic hash & HMAC MCP.

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MCP Identity

DoI score lookup, vouch event builder, and offline schnorr verify for AI agents.

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Ethereum Wallet Generator

Generate Ethereum wallets with BIP39 mnemonics, HD paths, vanity addresses, private key backup

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Enigma Python MCP

denismaggior8

A Model Context Protocol server that brings the capabilities of enigmapython library to LLMs, allowing them to encrypt and decrypt messages using historically accurate Enigma machine emulators.

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Thales Cdsp Crdp MCP Server

sanyambassi

MCP server for Thales CipherTrust Manager RestFul Data Protection service.

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MCP Bytesmith

laszlopere

Local byte-wrangling toolbox: encoding (hex/Base64/Base32/Base58/Base45…), cryptographic + CRC hashing, base conversion, and CSPRNG tokens/passphrases, plus an opt-in Ethereum/EVM toolset (keccak, ABI/RLP codecs, EIP-191/712 hashing, function/event selectors, EIP-55). No network calls. uvx mcp-bytesmith.

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Icme Preflight

Cryptographic guardrails for AI agents. Verify actions with formal logic and zero-knowledge proofs.

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Horizon Shield

ogasurfproject-jpg

Bitcoin-anchored, trustless public verification ledger (JIDEC) for AI-agent evidence: fetch the record bytes, recompute the SHA-256, and check the OpenTimestamps/Bitcoin timestamp — no trust in the issuer required.

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AOTrust Notarization & Evidence Server

Cryptographic proof of existence for AI agents. Base x402, NEAR anchored. Free tier.

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Orphograph

Anchor a file's SHA-256 fingerprint to Bitcoin. The file never leaves the device.

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Accord Trace

Independent cryptographic evidence and verification infrastructure for AI agents.

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CipherHUB Cryptography Toolkit

Production-grade cryptography toolkit with 31 MCP tools for classical, PQC, and KMS workflows.

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MCP Cryptography

MCP server exposing cryptography library functionality

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MCP Ecdsa

MCP server for ECDSA cryptography

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MCP Hashlib

An MCP server that exposes hashlib functionality

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Hive Zk Attestation

Zero-knowledge attestation for agent capability and trust score claims

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Vtimestamp

MCP server for verifying and querying vtimestamp proofs on the Verus blockchain

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Vtimestamp Write

MCP server for creating vtimestamp proofs on the Verus blockchain via a local or remote daemon

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POPCORN MCP

Signed time and SHA-256 witness receipts for agents, with offline verification and x402 payment.

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Entropy

Cryptographically sound randomness for agents, with verifiable commit-reveal.

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D20DAO Verifiable Randomness

Verifiable dice, draws and shuffles with on-chain VRF proofs on Arc. 0.05 USDC per draw.

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Dehydrate

Slidingbox Hydrate

Hand a secret to another agent as an encrypted, pay-per-read token, delivered exactly once.

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Ciphertrust Manager MCP Server

sanyambassi

MCP server for Thales CipherTrust Manager integration, enabling secure key management, cryptographic operations, and compliance monitoring through AI assistants.

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Thales Cdsp Cakm MCP Server

sanyambassi

MCP server for Thales CDSP CAKM integration, enabling secure key management, cryptographic operations, and compliance monitoring through AI assistants for Ms SQL and Oracle Databases.

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Sigil

Local keystore + MCP server. Claude can sign EVM transactions but never sees the private key.

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Qeaas MCP

QRNG-seeded random bytes, seeds, and ML-KEM-768 keys with signed provenance receipts.

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Astracipher

Cryptographic identity for AI agents: W3C DIDs, Verifiable Credentials, post-quantum crypto

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QnEvt Verifiable Randomness MCP

Verifiable random decisions, audit sampling, fair selection, and proof verification using QnEvt.

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XProof

Proof primitive for AI agents on MultiversX. Anchor file hashes on-chain as verifiable proofs.

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Aimarket Oracle Gateway

alexar76

Verifiable oracle MCP server: Platon VRF (getrandom), Chronos VDF (computevdf / verifyvdf), LUMEN reputation (getreputationscores) as agent tools. Pay-per-call over AIMarket Hub; every result independently verifiable. stdio · Python · Glama.

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Crypto

Hash, encode, UUID, password analysis for AI agents

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Frequently Asked Questions about Cryptography MCP Servers

Model Context Protocol (MCP) servers in the Cryptography category allow AI assistants (such as Claude Desktop, Cursor, Windsurf, and Cline) to connect directly to cryptography tools, APIs, and databases without manual copy-pasting.