How do I install Pentagonal?

Copy the stdio config for Cursor, Claude Desktop, Claude Code, or VS Code on this page. It uses the publisher's install, not a PlugMCP proxy.

Does Pentagonal need an API key?

The publisher lists these environment variables: PENTAGONAL_API_KEY.

What transport does Pentagonal use?

Pentagonal runs locally over stdio.

When was Pentagonal last checked?

Last checked 2026-11-08. AI smart contract forge — 8-agent security audits, generation, and compilation across 8 chains

Pentagonal MCP server

Power your agent

Add this server

The publisher's own command. Not a PlugMCP endpoint.

Add to Cursor Add to VS Code Run on PlugMCP

Host a copy with our keys and logs.

Local command

npx -y [email protected]

Credentials from the publisher

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

Claude Code has no install link for a local command. Copy the command below and run it in a terminal.

shClaude Code

1PENTAGONAL_API_KEY=<secret> claude mcp add io.github.achilles1089-pentagonal-mcp -- npx -y pentagonal-mcp@1.0.1

Run in a terminal.

jsonClaude Desktop

1{2  "mcpServers": {3    "io.github.achilles1089-pentagonal-mcp": {4      "command": "npx",5      "args": [6        "-y",7        "[email protected]"8      ],9      "env": {10        "PENTAGONAL_API_KEY": "<secret>"11      }12    }13  }14}

claude_desktop_config.json

Local · npmPublisher installStep-by-step: add this in Claude

Remote URL or a command on your machine? How the two installs differ

Run on PlugMCP

Host a copy with our keys and logs.

A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.

Launch

Server facts

Local

Transport: stdio
Version: 1.0.1
API key

Tools

No tool list yet. Remote servers get one after the first health check.

FAQ

Questions

Pentagonal

AI-powered smart contract forge with an 8-agent adversarial security audit system.

Generate, audit, fix, and compile Solidity and Anchor/Rust contracts across 8 chains including Ethereum, Base, Polygon, Arbitrum, Optimism, BSC, Avalanche, and Solana. Includes token intelligence lookups with market data, holder analysis, and honeypot detection. Self-learning security rules engine that improves with every audit.

MCP Server

Install via npm:

npx pentagonal-mcp

Claude Desktop

Add to claude_desktop_config.json:

{ "mcpServers": { "pentagonal": { "command": "npx", "args": ["-y", "pentagonal-mcp"], "env": { "PENTAGONAL_KEY": "your-api-key" } } } }

HTTP (Claude Code / Cursor / Windsurf)

{ "mcpServers": { "pentagonal": { "type": "http", "url": "https://www.pentagonal.ai/api/mcp", "headers": { "x-pentagonal-api-key": "your-api-key" } } } }

Tools

Tool	Description	Auth
`pentagonal_lookup`	Token intelligence — price, holders, LP lock, honeypot, source code	Free (rate limited)
`pentagonal_audit`	8-agent security pen test with severity grouping and PoC exploits	$5 (credit or x402)
`pentagonal_generate`	Generate contracts from natural language (Solidity + Anchor/Rust)	$5 (credit or x402)
`pentagonal_fix`	Fix a specific vulnerability while preserving functionality	Free (rate limited)
`pentagonal_compile`	Compile Solidity to ABI + bytecode + gas estimates	Free (rate limited)
`pentagonal_rules`	View accumulated self-learning security rules	Free
`pentagonal_chains`	List all supported blockchains	Free

Payment

Credits — $5 per audit or generate, buy via the web app (EVM or Solana)

x402 — agents pay per-use with USDC on Base (no account needed)

API key — use your credit balance programmatically

Free tools — fix, compile, lookup, rules, chains work for everyone

Links

License

MIT

Add this server

Host a copy with our keys and logs.

Server facts

Tools

Questions

How do I install Pentagonal?

Does Pentagonal need an API key?

What transport does Pentagonal use?

When was Pentagonal last checked?

Documentation

Pentagonal

MCP Server

Claude Desktop

HTTP (Claude Code / Cursor / Windsurf)

Tools

Payment

Links

License