Agent Tools
Back to directory

x402-approval-guard

https://github.com/eltociear/x402-approval-guard
● healthy example-apps

Pattern for gating an agent action on an x402 check: before signing `approve(spender, amount)`, calls `contract-guard` (`x402-fetch` + viem, $0.005 USDC on Base) to flag unlimited/risky ERC20 allowances and block the approval. Drop-in `guardApprove()` library + CLI.

Category
example-apps
Chains
—
Price
—

Quality grade

How grading works
D 40.0 / 100
Availability 40.0 / 40
Endpoint responded (HTTP 200)
Payability 0.0 / 20
  • ✗ Answers a real HTTP 402 challenge
  • ✗ Publishes a /.well-known/x402 descriptor
  • ✗ Payment address on record
  • ✗ Settlement network declared
  • ✗ Price declared
Demand 0.0 / 40
No payment address on record, so demand cannot be measured
Owner verified 0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 6 h ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -X POST https://github.com/eltociear/x402-approval-guard

Listed in

Directories this entry was found in.

awesome-x402