Is io.github.nirholas/keystore-mcp-server safe to use?

io.github.nirholas/keystore-mcp-server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install io.github.nirholas/keystore-mcp-server?

io.github.nirholas/keystore-mcp-server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What can io.github.nirholas/keystore-mcp-server do?

io.github.nirholas/keystore-mcp-server provides 48 tools: generate_wallet, generate_wallet_with_mnemonic, restore_wallet_from_mnemonic, restore_wallet_from_private_key, derive_multiple_accounts and 43 more. See the full tools list on the server page for descriptions and parameters.

What AI clients work with io.github.nirholas/keystore-mcp-server?

io.github.nirholas/keystore-mcp-server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is io.github.nirholas/keystore-mcp-server actively maintained?

io.github.nirholas/keystore-mcp-server is actively maintained — last commit was 23 days ago. It has 23 GitHub stars.

io.github.nirholas/keystore-mcp-server

Encrypt/decrypt Ethereum keystore JSON V3 with scrypt/PBKDF2 for secure cold storage

23 48 tools GitHub

No known CVEs

No license

Actively maintained

Last commit 23d ago

Works with most clients

Transport: stdio, sse, http

48 tools · ~1.9k tok

Grade C · 0.9% of 200K ctx

Edit this pageView history

Finance Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "signing": {
      "command": "signing-mcp-server"
    },
    "keystore": {
      "command": "keystore-mcp-server"
    },
    "validation": {
      "command": "validation-mcp-server"
    },
    "transaction": {
      "command": "transaction-mcp-server"
    },
    "ethereum-wallet": {
      "command": "ethereum-wallet-mcp"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-nirholas-keystore-mcp-server)](https://mcppedia.org/s/io-github-nirholas-keystore-mcp-server)

Read me

What io.github.nirholas/keystore-mcp-server does

This directory contains the build system to create offline1.html using official ethereumjs libraries.

Test This Server

No automated test available for this server. Check the GitHub README for setup instructions.

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

61/100across 5 weighted dimensions

How we score →

0255075100

−39

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

No package registry to scan.

Inventory

Tools (48)

Click any tool to inspect its schema.

~1.9k tokens total

Inventory

Resources (7)

BIP39 Specification

BIP39 spec

wallet://documentation/bip39

HD Derivation Paths

HD paths

wallet://documentation/derivation-paths

BIP39 Wordlists

BIP39 wordlists

wallet://wordlist/{language}

EIP-55 Specification

EIP-55 docs

validation://eip55-specification

SECP256K1 Constants

Curve params

validation://secp256k1-constants

Function Selectors Database

500+ selectors

validation://function-selectors-db

Address Patterns

Known patterns

validation://address-patterns

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.nirholas/keystore-mcp-server safe to use?: io.github.nirholas/keystore-mcp-server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install io.github.nirholas/keystore-mcp-server?: io.github.nirholas/keystore-mcp-server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.nirholas/keystore-mcp-server do?: io.github.nirholas/keystore-mcp-server provides 48 tools: generate_wallet, generate_wallet_with_mnemonic, restore_wallet_from_mnemonic, restore_wallet_from_private_key, derive_multiple_accounts and 43 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.nirholas/keystore-mcp-server?: io.github.nirholas/keystore-mcp-server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.nirholas/keystore-mcp-server actively maintained?: io.github.nirholas/keystore-mcp-server is actively maintained — last commit was 23 days ago. It has 23 GitHub stars.

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MCP Security Weekly

Get CVE alerts and security updates for io.github.nirholas/keystore-mcp-server and similar servers.

Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

Edit this pageView history

Finance Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "signing": {
      "command": "signing-mcp-server"
    },
    "keystore": {
      "command": "keystore-mcp-server"
    },
    "validation": {
      "command": "validation-mcp-server"
    },
    "transaction": {
      "command": "transaction-mcp-server"
    },
    "ethereum-wallet": {
      "command": "ethereum-wallet-mcp"
    }
  }
}

Are you the author?

Add this badge to your README to show your security score and help users find safe servers.

Embed in your READMEAbout badges →

[![MCPpedia Score](https://mcppedia.org/api/badge/io-github-nirholas-keystore-mcp-server)](https://mcppedia.org/s/io-github-nirholas-keystore-mcp-server)

Read me

What io.github.nirholas/keystore-mcp-server does

This directory contains the build system to create offline1.html using official ethereumjs libraries.

Test This Server

No automated test available for this server. Check the GitHub README for setup instructions.

README

Offline Build - Official Ethereumjs Libraries

This directory contains the build system to create offline1.html using official ethereumjs libraries.

Libraries Used

All libraries are from the official Ethereum ecosystem:

@ethereumjs/tx - Transaction signing (legacy + EIP-1559)
@ethereumjs/util - Utilities (address validation, checksums, etc.)
@ethereumjs/rlp - RLP encoding
@ethereumjs/wallet - Wallet utilities
ethereum-cryptography - Official cryptographic primitives (secp256k1, keccak256)
@scure/bip39 - BIP39 mnemonic (used by ethereumjs)
@scure/bip32 - BIP32 HD derivation (used by ethereumjs)

Build Instructions

# Navigate to this directory
cd offline-build

# Install dependencies
npm install

# Build offline1.html
npm run build

The output file offline1.html will be created in the parent directory.

What Gets Bundled

The build process uses esbuild to:

Bundle all ethereumjs libraries and their dependencies
Minify the code for smaller file size
Inline everything into a single HTML file

Typical bundle size: ~400-600 KB (varies by version)

Features

All features match the CLI tool:

Wallet Generation - Random keypair generation
Mnemonic Support - Create/restore BIP39 mnemonics, derive accounts
Vanity Addresses - All vanity options (prefix, suffix, regex, etc.)
Message Signing - EIP-191 personal_sign
Signature Verification - Recover signer from signature
Validation - Address and key validation
Keystore - V3 keystore encrypt/decrypt (PBKDF2)
Transactions - Sign legacy and EIP-1559 transactions offline
EIP-712 - Typed data signing and verification

Security

The generated HTML file is completely self-contained
No external network requests
Can be saved and used on an air-gapped machine
Uses official, audited Ethereum libraries

MCP Servers

This repository includes 5 Model Context Protocol (MCP) servers that expose Ethereum wallet functionality to AI assistants like Claude.

Documentation

Prompt Examples - Real-world prompts for interacting with the servers
Testing Guide - How to run and write tests
Integration Guide - Setting up with Claude Desktop and other tools
Workflows & Recipes - Common workflows combining multiple servers

Overview

Server	Purpose	Tools	Tests
ethereum-wallet-mcp	Wallet generation, HD wallets, mnemonics	6	111
keystore-mcp-server	Encrypted keystore files (Web3 Secret Storage)	9	74
signing-mcp-server	Message signing, EIP-191, EIP-712	12	34
transaction-mcp-server	Transaction building, encoding, signing	15	65
validation-mcp-server	Address/key validation, checksums, hashing	15	64

Total: 57 tools, 348 tests

Quick Start

Installation

Each server is a standalone Python package:

# Install all servers
pip install -e ./ethereum-wallet-mcp
pip install -e ./keystore-mcp-server
pip install -e ./signing-mcp-server
pip install -e ./transaction-mcp-server
pip install -e ./validation-mcp-server

Claude Desktop Configuration

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "ethereum-wallet": {
      "command": "ethereum-wallet-mcp"
    },
    "keystore": {
      "command": "keystore-mcp-server"
    },
    "signing": {
      "command": "signing-mcp-server"
    },
    "transaction": {
      "command": "transaction-mcp-server"
    },
    "validation": {
      "command": "validation-mcp-server"
    }
  }
}

Server Details

ethereum-wallet-mcp

Wallet Generation & HD Wallets

Tools:

generate_wallet - Random Ethereum wallet
generate_wallet_with_mnemonic - BIP39 mnemonic wall

... View full README on GitHub

Loading README…

Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

61/100across 5 weighted dimensions

How we score →

0255075100

−39

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

No package registry to scan.

Inventory

Tools (48)

Click any tool to inspect its schema.

~1.9k tokens total

Inventory

Resources (7)

BIP39 Specification

BIP39 spec

wallet://documentation/bip39

HD Derivation Paths

HD paths

wallet://documentation/derivation-paths

BIP39 Wordlists

BIP39 wordlists

wallet://wordlist/{language}

EIP-55 Specification

EIP-55 docs

validation://eip55-specification

SECP256K1 Constants

Curve params

validation://secp256k1-constants

Function Selectors Database

500+ selectors

validation://function-selectors-db

Address Patterns

Known patterns

validation://address-patterns

Community

Reviews

Be the first to review

Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is io.github.nirholas/keystore-mcp-server safe to use?: io.github.nirholas/keystore-mcp-server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install io.github.nirholas/keystore-mcp-server?: io.github.nirholas/keystore-mcp-server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What can io.github.nirholas/keystore-mcp-server do?: io.github.nirholas/keystore-mcp-server provides 48 tools: generate_wallet, generate_wallet_with_mnemonic, restore_wallet_from_mnemonic, restore_wallet_from_private_key, derive_multiple_accounts and 43 more. See the full tools list on the server page for descriptions and parameters.
What AI clients work with io.github.nirholas/keystore-mcp-server?: io.github.nirholas/keystore-mcp-server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is io.github.nirholas/keystore-mcp-server actively maintained?: io.github.nirholas/keystore-mcp-server is actively maintained — last commit was 23 days ago. It has 23 GitHub stars.