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OnChainDiligence

https://mcp.onchaindiligence.com/a2a
● down a2a-agent

Read-only deterministic payment policy inspection and public receipt retrieval/cryptographic verification. No wallet, payment execution, authorization or receipt creation. VALID means integrity under the receipt verifier contract, not safety, compliance, settlement or service delivery.

Category
a2a-agent
Chains
—
Price
—

Quality grade

How grading works
D 13.3 / 100 capped at D while down
Availability 0.0 / 40
Endpoint did not respond
Payability 13.3 / 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 15 min ago. Availability and on-chain demand are both re-probed daily; the grade updates automatically on the next pass.

Paid endpoints

11 resource(s) advertised by this origin.

POST https://mcp.onchaindiligence.com/x402/preflight-staking

Evaluate a narrow Ethereum Lido stETH submit before execution

POST https://mcp.onchaindiligence.com/x402/preflight-swap

Evaluate a narrow Base USDC-to-WETH swap before execution

GET https://mcp.onchaindiligence.com/x402/screen/:address

Sanctions-screen an EVM wallet address

GET https://mcp.onchaindiligence.com/x402/screen-name

Screen a person or company name against the OFAC SDN list

GET https://mcp.onchaindiligence.com/x402/uk-company/:companyNumber

Verify a UK company via Companies House

GET https://mcp.onchaindiligence.com/x402/us-company

Verify a US public company via SEC EDGAR

GET https://mcp.onchaindiligence.com/x402/diligence

Combined wallet sanctions screen and UK company verification

GET https://mcp.onchaindiligence.com/x402/verdict/:address

Single PASS / WARN / BLOCK counterparty verdict

POST https://mcp.onchaindiligence.com/x402/preflight-payment

Evaluate a proposed payment against structured policy before execution

POST https://mcp.onchaindiligence.com/x402/preflight-bridge

Evaluate a Circle CCTP V2 Base-to-Ethereum native-USDC bridge before execution

POST https://mcp.onchaindiligence.com/x402/preflight-allowance

Evaluate a Base USDC ERC-20 allowance or revocation before execution

How to call

cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://mcp.onchaindiligence.com/a2a  # expect HTTP 402 Payment Required (price advertised in the 402 response)
/.well-known/x402.json
https://mcp.onchaindiligence.com/.well-known/x402

Listed in

Directories this entry was found in.

a2a