mcp-wallet-signer MCP

An MCP stdio server that routes EVM and TRON blockchain transactions to browser wallets like MetaMask for signing via EIP-6963, ensuring private keys never leave the user's browser. It provides tools to connect wallets, send transactions, sign messages, and sign typed data.

Package and access

Local package with source-attributed installation metadata. Koskamo does not execute packages during review.

Community listingLocal stdioSource reviewed; not executedPublished by nikicat

Vendor documentation

Checks and signals

Each line is separate evidence, not a trust score.

Popularity 2 GitHub stars

What you can do with it

Connect a browser wallet and retrieve the address
Send value or call a contract and return the transaction hash
Sign a message using personal_sign
Sign EIP-712 typed data

Source and maintenance

Community listingRegistry 0.1.3MITRepository archived

mcp-registry: io.github.nikicat/mcp-wallet-signer@0.1.3 Source repository Project website

Last repository push: Oct 31, 2026, 8:30 PM UTC
Latest release: mcp-wallet-signer@0.7.0
Maintenance checked: Nov 2, 2026, 5:20 PM UTC

Packages and installation

Source-provided package data. Koskamo has not executed or live-probed this package.

mcp-wallet-signer 0.1.3

npmnpx

mcp-wallet-signer package definition

{
  "version": "0.1.3",
  "transport": "stdio",
  "identifier": "mcp-wallet-signer",
  "runtimeHint": "npx",
  "registryType": "npm",
  "registryBaseUrl": "https://registry.npmjs.org",
  "environmentVariables": [
    {
      "name": "EVM_MCP_PORT",
      "default": "3847",
      "description": "HTTP server port for the browser approval UI (default: 3847)"
    },
    {
      "name": "EVM_MCP_DEFAULT_CHAIN",
      "default": "1",
      "description": "Default EVM chain ID (default: 1 for Ethereum mainnet)"
    }
  ]
}

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

Nov 2, 2026, 5:20 PM UTC · repository · passed · metadata changed · updated
Nov 2, 2026, 5:20 PM UTC · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown

Connect from your client

Each snippet configures the same source-provided package; replace placeholders before use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Cursor

Merge this local stdio configuration, replace every placeholder environment value, and restart Cursor. Koskamo has not executed this package.

Cursor configuration

{
  "mcpServers": {
    "mcp-wallet-signer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-wallet-signer@0.1.3"
      ],
      "env": {
        "EVM_MCP_PORT": "<YOUR_EVM_MCP_PORT>",
        "EVM_MCP_DEFAULT_CHAIN": "<YOUR_EVM_MCP_DEFAULT_CHAIN>"
      }
    }
  }
}

Cline

Merge this local stdio configuration, replace every placeholder environment value, and restart Cline. Koskamo has not executed this package.

Cline configuration

{
  "mcpServers": {
    "mcp-wallet-signer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-wallet-signer@0.1.3"
      ],
      "env": {
        "EVM_MCP_PORT": "<YOUR_EVM_MCP_PORT>",
        "EVM_MCP_DEFAULT_CHAIN": "<YOUR_EVM_MCP_DEFAULT_CHAIN>"
      }
    }
  }
}

VS Code

Merge this local stdio configuration, replace every placeholder environment value, and restart VS Code. Koskamo has not executed this package.

VS Code configuration

{
  "servers": {
    "mcp-wallet-signer-mcp": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "mcp-wallet-signer@0.1.3"
      ],
      "env": {
        "EVM_MCP_PORT": "<YOUR_EVM_MCP_PORT>",
        "EVM_MCP_DEFAULT_CHAIN": "<YOUR_EVM_MCP_DEFAULT_CHAIN>"
      }
    }
  }
}

Claude Desktop

Merge this local stdio configuration, replace every placeholder environment value, and restart Claude Desktop. Koskamo has not executed this package.

Claude Desktop configuration

{
  "mcpServers": {
    "mcp-wallet-signer-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-wallet-signer@0.1.3"
      ],
      "env": {
        "EVM_MCP_PORT": "<YOUR_EVM_MCP_PORT>",
        "EVM_MCP_DEFAULT_CHAIN": "<YOUR_EVM_MCP_DEFAULT_CHAIN>"
      }
    }
  }
}

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