# MetaMask Embedded Wallets (Web3Auth) MCP

> Use this tool when you need to integrate blockchain-based authentication and wallet functionality into your applications, solving problems such as secure user authentication and decentralized data storage. It provides an interface for AI coding agents to easily incorporate MetaMask Embedded Wallets (Web3Auth) SDKs, accepting inputs such as user credentials and outputting authenticated user data. Ideal for use cases requiring Web3-enabled authentication and wallet management, such as decentralized finance (DeFi) or non-fungible token (NFT) marketplaces.

Canonical page: https://skillsregistry.net/skills/io-github-web3auth-mcp-server  
JSON: https://api.skillsregistry.net/v1/skills/io-github-web3auth-mcp-server

## Description

Helps AI coding agents integrate MetaMask Embedded Wallets (Web3Auth) SDKs.

## Trust

- **Trust score (0–1):** 0.87
- **Verification tier:** verified
- **Last scanned:** 2026-09-28

## Facts

- **Version:** 2.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** other
- **Updated:** 2026-09-28

## Source

- **Source listing:** [MCP Registry](https://registry.modelcontextprotocol.io/v0/servers/io.github.Web3Auth%2Fmcp-server)
- **Repository:** <https://github.com/Web3Auth/web3auth-mcp>

## Use it

MCP endpoint published by the skill: `https://mcp.web3auth.io`

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": "io-github-web3auth-mcp-server"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/io-github-web3auth-mcp-server` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/io-github-web3auth-mcp-server/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