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AgentGrade

https://agentgrade.com
● healthy agent-verification-security

Free web-based scanner that validates x402 implementations on any URL (HTTP 402 with quoted price headers, payment-required surface, well-known/x402 discovery, agent-readable pricing) alongside ~70 other agent-readiness checks. Per-check remediation hints linked to a Knowledge Base. Also available as a [CLI](https://github.com/Agentic-Adventures/agentgrade-cli), [MCP server](https://agentgrade.com/mcp), and [GitHub Action](https://github.com/marketplace/actions/agentgrade-scan). Public leaderboard at [agentgrade.com/leaderboard/](https://agentgrade.com/leaderboard/).

Category
agent-verification-security
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://agentgrade.com

Listed in

Directories this entry was found in.

awesome-x402