A side-by-side look at the CipherHUB Cryptography Toolkit and MCP Hashlib MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose CipherHUB Cryptography Toolkit for cryptography work over a hosted endpoint; choose MCP Hashlib for cryptography as a local process. You can also run both side by side in one mcpServers block.
hash_sum, hmac_sum, block_cipher_encrypt.hash_md5, hash_sha1, hash_sha256.Rows where the two servers differ are marked.
| Spec | ||
|---|---|---|
| Category | Cryptography | Cryptography |
| Quality signal | 48/100 · Fair | 45/100 · Fair |
| Install command | Confirmed | Confirmed |
| Transport | Remote HTTP/SSE | Local subprocess (stdio) |
| Auth | Not declared | Not declared |
| Pricing | Not declared | Not declared |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Community listing |
| GitHub stars | 0 | 0 |
| Directory activity | 1 views 0 installs 0 upvotes | 1 views 0 installs 0 upvotes |
| Tools | 21 | 22 |
| Full listing | View CipherHUB Cryptography Toolkit | View MCP Hashlib |
hash_sumSHA-1/224/256/384/512, SM3hmac_sumHMAC with all hash algorithmsblock_cipher_encryptAES-128/256, SM4 (CBC mode)stream_cipher_encryptAES-256-GCM, ChaCha20-Poly1305, SM4-GCMzuc_cipherZUC-128 stream cipherrsa_generate_keyGenerate RSA key pair (2048/3072/4096 bits)rsa_encryptRSA encryption/decryptionrsa_signRSA signaturesecc_generate_keyGenerate ECC key pairecc_signECDSA/EdDSA signaturesecc_key_exchangeECDH + HKDF key agreementsm2_generate_keyGenerate SM2 key pairhash_md5MD5 hashhash_sha1SHA1 hashhash_sha256SHA256 hashhash_sha512SHA512 hashhash_sha224SHA224 hashhash_sha384SHA384 hashhash_sha3_224SHA3-224 hashhash_sha3_256SHA3-256 hashhash_sha3_384SHA3-384 hashhash_sha3_512SHA3-512 hashhash_blake2bBLAKE2b hash (512-bit)hash_blake2sBLAKE2s hash (256-bit)Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"cipherhub-cryptography-toolkit": {
"url": "https://tools.cipherhub.cloud/cipherhub/mcp"
}
}
}
{
"mcpServers": {
"mcp-hashlib": {
"command": "uvx",
"args": [
"mcp-hashlib"
]
}
}
}