# Services from evm-tx-toolkit.mtree.workers.dev on Zero

> evm-tx-toolkit.mtree.workers.dev serves 6 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/evm-tx-toolkit.mtree.workers.dev
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/evm-tx-toolkit.mtree.workers.dev/health.json

## Services

- [EVM Transaction Simulator (eth_call)](https://www.zero.xyz/c/evm-tx-toolkit-mtree-workers-dev-c9b99f21/llms.txt): $0.200000/call via x402. Simulates an arbitrary EVM call via eth_call on Base, Ethereum, Arbitrum, Optimism, or Polygon and returns success/revert status, decoded revert reason, return data, and gas estimate.
- [EVM Token Risk Scanner](https://www.zero.xyz/c/evm-tx-toolkit-mtree-workers-dev-b016bf6f/llms.txt): $0.500000/call via x402. Scans an ERC-20 token contract on Base/EVM chains for rug risk, honeypot flags, proxy/owner control, approval risk, and holder/liquidity danger signals, returning a composite 0-100 risk score with verdict
- [EVM Transaction Explainer](https://www.zero.xyz/c/evm-tx-toolkit-mtree-workers-dev-c4e865bd/llms.txt): $0.100000/call via x402. Decodes a confirmed EVM transaction hash into a human-readable explanation including token transfers, swap/event labels, function selector, gas used, and a one-line summary
- [EVM Transaction Simulator (Pre-Signing Safety)](https://www.zero.xyz/c/evm-tx-toolkit-mtree-workers-dev-fbc15e8c/llms.txt): $0.200000/call via x402. Simulates an EVM transaction before broadcasting to check success/revert status, decoded revert reason, gas estimate, return data, approval risk, value movements, and balance changes across Base, Ethereum, Arbitrum, Optimism, and Polygon.
- [EVM Transaction Explainer](https://www.zero.xyz/c/evm-tx-toolkit-mtree-workers-dev-831f16f2/llms.txt): $0.1/call via x402. Fetches a confirmed EVM transaction by hash and returns a human-readable explanation including contracts invoked, method, token balance changes, approvals, gas used, and a one-line summary
- [EVM Token Risk Scanner](https://www.zero.xyz/c/evm-tx-toolkit-mtree-workers-dev-d01f6c99/llms.txt): $0.500000/call via x402. Risk-scores an ERC-20 token on Base, Ethereum, Arbitrum, Optimism, or Polygon using on-chain contract reads, proxy/owner checks, GoPlus security signals, tax/honeypot flags, and returns a composite 0-100 risk verdict.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)