# Blockchain Signer

> Use this tool when you need to securely interact with blockchain networks while maintaining control over private keys and transaction signing. It solves problems related to secure blockchain interactions for AI assistants, enabling users to approve transactions and connect wallets through a Web DApp interface. The Blockchain Signer takes inputs such as wallet connections and transaction requests, and outputs signed transactions, making it ideal for AI-driven blockchain applications that prioritize user security and control.

Canonical page: https://skillsregistry.net/skills/zhangzhongnan928-blockchain-signer  
JSON: https://api.skillsregistry.net/v1/skills/zhangzhongnan928-blockchain-signer

## Description

This MCP server implementation enables secure blockchain interactions for AI assistants while ensuring users maintain control over private keys and transaction signing. It features a Node.js backend with PostgreSQL for data persistence, Redis for caching, and integrates with Ethereum and EVM-compatible chains via Infura. The system includes a React-based Web DApp for wallet connection and transaction approval, making it suitable for AI-driven blockchain applications that prioritize user security and control.

## Trust

- **Trust score (0–1):** 0.63
- **Verification tier:** scanned
- **Last scanned:** 2026-09-01

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** database
- **Updated:** 2026-09-01

## Source

- **Source listing:** [PulseMCP](https://www.pulsemcp.com/servers/zhangzhongnan928-blockchain-signer)
- **Repository:** <https://github.com/zhangzhongnan928/mcp-blockchain-server>

## Use it

Resolve this record through the SkillsRegistry MCP server (no auth, read-only):

```
claude mcp add --transport http --scope user skillsregistry https://api.skillsregistry.net/mcp
```

```json
{
  "jsonrpc": "2.0",
  "id": 1,
  "method": "tools/call",
  "params": {
    "name": "get_skill",
    "arguments": {
      "slug": "zhangzhongnan928-blockchain-signer"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/zhangzhongnan928-blockchain-signer` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/zhangzhongnan928-blockchain-signer/pull`

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SkillsRegistry indexes agent skills from public registries and GitHub. Skills we have analysed are scanned with Circle-IR and scored on six dimensions; each listing states its scan coverage. More: https://skillsregistry.net/llms.txt