Agent Toolkit MCP Server

by white-hat-labio.github.white-hat-lab/agent-toolkitv0.4.0

MCP server exposing pay-per-call developer and npm supply-chain security tools for coding agents, over x402.

0Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Maintained2mo ago

Install Agent Toolkit MCP server

claude mcp add agent-toolkit-white-hat-lab -e PAYER_PRIVATE_KEY='<payer-private-key>' -- npx -y agent-toolkit-mcp

{
  "mcpServers": {
    "agent-toolkit-white-hat-lab": {
      "command": "npx",
      "args": [
        "-y",
        "agent-toolkit-mcp"
      ],
      "env": {
        "PAYER_PRIVATE_KEY": "<payer-private-key>"
      }
    }
  }
}

Add to ~/.cursor/mcp.json (global) or .cursor/mcp.json (project).

{
  "mcpServers": {
    "agent-toolkit-white-hat-lab": {
      "command": "npx",
      "args": [
        "-y",
        "agent-toolkit-mcp"
      ],
      "env": {
        "PAYER_PRIVATE_KEY": "<payer-private-key>"
      }
    }
  }
}

Settings → Developer → Edit Config (claude_desktop_config.json), then restart.

{
  "servers": {
    "agent-toolkit-white-hat-lab": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "agent-toolkit-mcp"
      ],
      "env": {
        "PAYER_PRIVATE_KEY": "<payer-private-key>"
      }
    }
  }
}

Add to .vscode/mcp.json in your workspace.

{
  "mcpServers": {
    "agent-toolkit-white-hat-lab": {
      "command": "npx",
      "args": [
        "-y",
        "agent-toolkit-mcp"
      ],
      "env": {
        "PAYER_PRIVATE_KEY": "<payer-private-key>"
      }
    }
  }
}

Add to ~/.codeium/windsurf/mcp_config.json.

Configuration

Variable	Required	Secret	Description
PAYER_PRIVATE_KEY	—	yes	Private key of a wallet holding USDC on Base, used to sign x402 payments per call. Use a dedicated low-balance wallet.

Freshness

Maintained — last maintenance signal 2mo ago. The newest of the signals below sets the band.

Last commit (default branch)
2026-08-10 · 2mo ago · GitHub
Latest release
no data · GitHub
Package published
no data · npm/PyPI
Registry entry updated
2026-08-10 · 2mo ago · official registry · v0.4.0

FAQ

›How do I install the Agent Toolkit MCP server in Claude Code?

Run: claude mcp add agent-toolkit-white-hat-lab -e PAYER_PRIVATE_KEY='<payer-private-key>' -- npx -y agent-toolkit-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Agent Toolkit require an API key?

Yes. It expects PAYER_PRIVATE_KEY, of which 1 is a secret.

›Can I use Agent Toolkit as a remote (hosted) MCP server?

No hosted endpoint is published; it runs locally over stdio.

›Is Agent Toolkit in the official MCP registry?

Yes, as io.github.white-hat-lab/agent-toolkit.