# MCP Wallet Signer

> Use this tool when you need to securely sign blockchain transactions without exposing your private keys. The MCP Wallet Signer routes transactions to your browser wallet, such as MetaMask or Rabby, for signing, ensuring your keys remain private. Ideal for users who require non-custodial transaction management and enhanced security.

Canonical page: https://skillsregistry.net/skills/nikicat-mcp-wallet-signer  
JSON: https://api.skillsregistry.net/v1/skills/nikicat-mcp-wallet-signer

## Description

Non-custodial MCP server that routes blockchain transactions to your browser wallet (MetaMask, Rabby, etc.) for signing — private keys never leave your browser.

## Trust

- **Trust score (0–1):** 0.93
- **Verification tier:** verified
- **Last scanned:** 2026-09-19

## Facts

- **Version:** 1.0.0
- **Skill type:** atomic
- **Execution layer:** mcp-remote
- **Runtime environment:** api
- **Category:** browser-automation
- **Updated:** 2026-09-19

## Source

- **Source listing:** [Glama](https://glama.ai/mcp/servers/wqtk6gaapi)
- **Repository:** <https://github.com/nikicat/mcp-wallet-signer>

## 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": "nikicat-mcp-wallet-signer"
    }
  }
}
```

REST: `GET https://api.skillsregistry.net/v1/skills/nikicat-mcp-wallet-signer` · pull for local use: `GET https://api.skillsregistry.net/v1/skills/nikicat-mcp-wallet-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