Pentagonal MCP Server

by pentagonal-aiio.github.Achilles1089/pentagonal-mcpv1.0.1

Generate, audit, fix and compile smart contracts on Ethereum, Solana, Base and other chains, with adversarial multi-agent pen testing and honeypot detection.

1Node.jsstdioofficial registry

context tax

queued

security

queued

cold start

queued

freshness

Maintained2mo ago

Install Pentagonal MCP server

claude mcp add pentagonal -e PENTAGONAL_API_KEY='<pentagonal-api-key>' -- npx -y pentagonal-mcp

{
  "mcpServers": {
    "pentagonal": {
      "command": "npx",
      "args": [
        "-y",
        "pentagonal-mcp"
      ],
      "env": {
        "PENTAGONAL_API_KEY": "<pentagonal-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "pentagonal": {
      "command": "npx",
      "args": [
        "-y",
        "pentagonal-mcp"
      ],
      "env": {
        "PENTAGONAL_API_KEY": "<pentagonal-api-key>"
      }
    }
  }
}

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

{
  "servers": {
    "pentagonal": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "pentagonal-mcp"
      ],
      "env": {
        "PENTAGONAL_API_KEY": "<pentagonal-api-key>"
      }
    }
  }
}

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

{
  "mcpServers": {
    "pentagonal": {
      "command": "npx",
      "args": [
        "-y",
        "pentagonal-mcp"
      ],
      "env": {
        "PENTAGONAL_API_KEY": "<pentagonal-api-key>"
      }
    }
  }
}

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

Configuration

Variable	Required	Secret	Description
PENTAGONAL_API_KEY	—	yes	Pentagonal API key (optional — free tools work without it, paid tools accept x402 USDC on Base)

Freshness

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

Last commit (default branch)
2026-07-27 · 2mo ago · GitHub
Latest release
2026-04-13 · 6mo ago · GitHub · v1.0.2
Package published
no data · npm/PyPI
Registry entry updated
2026-04-12 · 6mo ago · official registry · v1.0.1

FAQ

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

Run: claude mcp add pentagonal -e PENTAGONAL_API_KEY='<pentagonal-api-key>' -- npx -y pentagonal-mcp. For Cursor, VS Code, Claude Desktop and Windsurf, use the install tabs above.

›Does Pentagonal require an API key?

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

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

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

›Is Pentagonal in the official MCP registry?

Yes, as io.github.Achilles1089/pentagonal-mcp.