Pentagonal
OfficialProvides tools for generating, auditing, fixing, and compiling Solidity smart contracts on the Ethereum blockchain, including security analysis and token intelligence lookups.
Provides tools for generating, auditing, fixing, and compiling Solidity smart contracts on the Optimism blockchain, including security analysis and token intelligence lookups.
Provides tools for generating, auditing, fixing, and compiling Solidity smart contracts on the Polygon blockchain, including security analysis and token intelligence lookups.
Provides tools for generating, auditing, fixing, and compiling Anchor/Rust smart contracts for Solana blockchain deployment, including security analysis and functionality preservation.
Provides tools for generating, auditing, fixing, and compiling Anchor/Rust smart contracts on the Solana blockchain, including security analysis and token intelligence lookups.
Provides tools for generating, auditing, fixing, and compiling Solidity smart contracts for EVM-compatible blockchains, including security analysis with exploit proofs and gas estimation.
pentagonal-mcp
MCP server for Pentagonal — the AI-powered smart contract forge.
Tools
Tool | Description | Auth |
| Token intelligence — price, holders, LP lock, honeypot, source code | Free (rate limited) |
| 8-agent security pen test with severity grouping and PoC exploits | $5 (credit or x402) |
| Generate contracts from natural language (Solidity + Anchor/Rust) | $5 (credit or x402) |
| Fix a specific vulnerability while preserving functionality | Free (rate limited) |
| Compile Solidity to ABI + bytecode + gas estimates | Free (rate limited) |
| View accumulated self-learning security rules | Free |
| List all supported blockchains | Free |
Supports Ethereum, Base, Polygon, Arbitrum, Optimism, BSC, Avalanche, and Solana.
Setup
Claude Desktop (stdio)
Add to claude_desktop_config.json:
{
"mcpServers": {
"pentagonal": {
"command": "npx",
"args": ["-y", "pentagonal-mcp"],
"env": {
"PENTAGONAL_KEY": "your-api-key"
}
}
}
}Claude Code / Cursor / Windsurf (HTTP)
Add to your MCP config:
{
"mcpServers": {
"pentagonal": {
"type": "http",
"url": "https://www.pentagonal.ai/api/mcp",
"headers": {
"x-pentagonal-api-key": "your-api-key"
}
}
}
}Get an API Key
Sign in at pentagonal.ai
Click your avatar → 🔑 API Keys
Generate a key — it's shown once, copy it immediately
Payment Options
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 are free for everyone
Links
License
MIT
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