Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402.
Quick Install
Automated & IDE SetupCopy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.
Manual Client & Custom JSON ConfigExpand JSON ▾
Client Config & Setup
Choose your client or environment
Target File:
💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.
Documentation Overview
tollboothswap-mcp — Token Swaps & Honeypot Checks for AI Agents (MCP Server)
MCP server for Tollbooth: non-custodial token swap execution and token safety screening on 8 chains — Solana, Base, Ethereum, Arbitrum, Polygon, Optimism, BSC, Avalanche. Quotes and symbol resolution are free; swap builds (~$0.005) and safety checks ($0.01) are paid per-call in USDC via the x402 protocol — no API keys, no accounts, no subscriptions.
Quick start
Claude Desktop / Cursor / any MCP client
TOLLBOOTH_PAYER_KEY is optional: without it the free tools
(resolve_token, get_quote, get_service_info, get_receipt) work fully,
and paid tools return x402 payment instructions instead of results. With it,
tolls are paid automatically and gaslessly (EIP-3009 — the key never spends
gas, only USDC).
Tools
| Tool | Cost | What it does |
|---|---|---|
resolve_token | free | Ticker symbol → contract addresses, ranked by DEX liquidity |
get_quote | free | Fee-inclusive indicative swap quote |
check_token | $0.01 | Honeypot / rug-pull / freeze-authority / sell-tax screening with verdict + findings |
build_swap | ~$0.005 | Unsigned, ready-to-sign swap transaction + HMAC-signed receipt (safeMode screens both tokens first) |
get_receipt | free | Verify a past build receipt by id |
get_service_info | free | Service manifest: chains, fees, pricing |
Trust model
Tollbooth is non-custodial: it builds transactions but never holds keys or funds. Your agent signs and submits everything with its own wallet. Every paid build returns a signed receipt for audit trails.
Links
- Full tutorial: https://api.tollboothswap.xyz/guides/agent-swaps.md
- Agent usage guide: https://api.tollboothswap.xyz/skill.md
- Runnable HTTP examples: https://github.com/soundsparkaudiolab/tollbooth-examples
License
MIT
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Frequently Asked Questions about Tollbooth
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