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Hashlib MCP server

by daedalus·io.github.daedalus/mcp-hashlib·v0.1.2
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An MCP server that exposes hashlib functionality

B82/100grade B
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Safety scan
B82/100

full report

Adoption
New

0 stars17 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Hashlib tools (22, 3 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • hash_blake2b

    Compute BLAKE2b hash (512-bit)

  • hash_blake2s

    Compute BLAKE2s hash (256-bit)

  • hash_copywrite action

    Create a copy of a hash object

  • hash_file_digest

    Compute hash of a file-like object

  • hash_info

    Get information about available hash algorithms

  • hash_md5

    Compute MD5 hash

  • hash_newwrite action

    Create hash object using any available algorithm

  • hash_pbkdf2_hmac

    PBKDF2-HMAC key derivation

  • hash_properties

    Get properties of a hash algorithm

  • hash_scrypt

    Scrypt key derivation

  • hash_sha1

    Compute SHA1 hash

  • hash_sha224

    Compute SHA224 hash

  • hash_sha256

    Compute SHA256 hash

  • hash_sha384

    Compute SHA384 hash

  • hash_sha3_224

    Compute SHA3-224 hash

  • hash_sha3_256

    Compute SHA3-256 hash

  • hash_sha3_384

    Compute SHA3-384 hash

  • hash_sha3_512

    Compute SHA3-512 hash

  • hash_sha512

    Compute SHA512 hash

  • hash_shake_128

    Compute SHAKE-128 XOF hash (variable length)

  • hash_shake_256

    Compute SHAKE-256 XOF hash (variable length)

  • hash_updatewrite action

    Compute hash incrementally with multiple updates

Public scan report

scanner v0.1.9 · 2026-09-27 · same rubric, same numbers if you re-run it

no findings
  • Code scan4 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 159 days ago8/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 82/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Hashlib compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
82/100
higher than 63% of 48,273 servers
Tools
22
the typical server has 7
Tools that change things
14%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
17
more than 5% of 11,915 servers with a package

What its tools let an agent do: 19 read · 3 change

Install Hashlib in Claude Code, Cursor or VS Code

claude mcp add mcp-hashlib -- uvx mcp-hashlib
Add to Cursor

What the publisher says

From the Hashlib repository's README, as published. We do not edit it. Read it on GitHub

mcp-hashlib

An MCP server that exposes hashlib functionality to LLMs.

mcp-name: io.github.daedalus/mcp-hashlib

Install

pip install mcp-hashlib

Usage

from mcp_hashlib import mcp, main

Available Tools

The MCP server exposes the following hashlib functions:

  • hash_md5 - MD5 hash
  • hash_sha1 - SHA1 hash
  • hash_sha256 - SHA256 hash
  • hash_sha512 - SHA512 hash
  • hash_sha224 - SHA224 hash
  • hash_sha384 - SHA384 hash
  • hashsha3224 - SHA3-224 hash
  • hashsha3256 - SHA3-256 hash
  • hashsha3384 - SHA3-384 hash
  • hashsha3512 - SHA3-512 hash
  • hash_blake2b - BLAKE2b hash (512-bit)
  • hash_blake2s - BLAKE2s hash (256-bit)

Development

git clone https://github.com/daedalus/mcp-hashlib.git
cd mcp-hashlib
pip install -e ".[test]"

# run tests
pytest

# format
ruff format src/ tests/

# lint
ruff check src/ tests/

# type check
mypy src/

Nothing above is checked by us. What we check is on the safety report.

Hashlib: common questions

Is Hashlib MCP server safe?
Mostly: it is graded B (82/100). Read the Hashlib safety report
How do I install Hashlib?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Hashlib need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Hashlib maintained?
The last commit was 195 days ago (2026-04-21). The latest release is v0.1.2.
How does Hashlib compare with other MCP servers?
safety score 82/100 (higher than 63% of 48,273 servers); tools 22 (the typical server has 7); tools that change things 14% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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