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EVM Tx Toolkit

https://evm-tx-toolkit.mtree.workers.dev/v1/tx/explain
● healthy a2a-agent

Six premium x402 endpoints across 5 EVM chains: canonical /v1 routes plus OATP-style /tools/tx_explainer, /tools/tx_simulator, /tools/token_risk_scan aliases for transaction explainer, transaction simulation, pre-signing safety, rug risk, token risk scan, approval risk, balance changes, and 0-100 risk score discovery.

Category
a2a-agent
Chains
base
Price
$0.1000 USDC / call

Quality grade

How grading works
B 67.1 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 204)
Payability 20.0 / 20
  • ✓ Answers a real HTTP 402 challenge
  • ✓ Publishes a /.well-known/x402 descriptor
  • ✓ Payment address on record
  • ✓ Settlement network declared
  • ✓ Price declared
Demand 7.1 / 40
2 distinct payers, 6 USDC transfers in the last 30 days
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 9 h ago. On-chain activity last read 11 d ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

6 resource(s) advertised by this origin.

POST https://evm-tx-toolkit.mtree.workers.dev/v1/tx/explain

transaction explainer — EVM tx_explainer: Transaction explainer for agents reviewing Base/EVM activity. Decode a confirmed EVM transaction on Base, Ethereum, Arbitrum, Optimism, or Polygon into a human-readable explanation with contracts invoked, token balance changes, approvals, swap/event labels,

POST https://evm-tx-toolkit.mtree.workers.dev/v1/tx/simulate

transaction simulation — EVM tx_simulator: Transaction simulation for agents before signing or broadcasting. Simulate an arbitrary EVM call with eth_call on Base, Ethereum, Arbitrum, Optimism, or Polygon and return success/revert status, decoded revert reason, raw return data, gas estimate, approval

POST https://evm-tx-toolkit.mtree.workers.dev/v1/token/risk_scan

token risk scan — EVM rug risk: Token risk scan and rug risk check for Base/EVM ERC-20s before swaps, buys, DCA, and memecoin entries. Uses on-chain contract reads, proxy/owner checks, GoPlus Token Security signals, tax/honeypot flags, approval risk, holder/liquidity danger signals, and a composite

POST https://evm-tx-toolkit.mtree.workers.dev/tools/tx_explainer

tx_explainer: Transaction explainer / tx_explainer for Base and EVM agents. Fetch a confirmed transaction by hash and return a human-readable pre-action/post-trade explanation: contracts invoked, method, token balance changes, approvals, fee/gas used, transfer list, and one-line summary. Built as th

POST https://evm-tx-toolkit.mtree.workers.dev/tools/tx_simulator

tx_simulator: Transaction simulation / tx_simulator for pre-signing safety on Base and EVM. Simulate a call before broadcasting on Base, Ethereum, Arbitrum, Optimism, or Polygon and return success/revert status, decoded revert reason, estimated gas, raw return data, approval risk, value movement hin

POST https://evm-tx-toolkit.mtree.workers.dev/tools/token_risk_scan

token_risk_scan: Token risk scan / rug risk token scan for autonomous trading agents before swaps, buys, DCA, and memecoin entries on Base/EVM. Detect rug risk, honeypot/tax flags, proxy/owner control, approval risk, holder concentration, liquidity danger signals, and return a composite 0-100 risk s

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X POST https://evm-tx-toolkit.mtree.workers.dev/v1/tx/explain  # expect HTTP 402 Payment Required (about 0.1 USDC/call)
/.well-known/x402.json
https://evm-tx-toolkit.mtree.workers.dev/.well-known/x402

Listed in

Directories this entry was found in.

a2a