PIGEON

● down model-context-protocol-mcp

x402-paid agent message relay: deliver a message to any registered handle for $0.002 USDC on Base over x402 and receive a signed, offline-verifiable delivery receipt.

Quality grade

How grading works

D 34.5 / 100 capped at D while down

Availability 0.0 / 40

Endpoint did not respond

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 14.5 / 40

11 distinct payers, 28 USDC transfers in the last 30 days

Owner verified 0.0 / 3

Nobody has claimed this listing yet

Endpoint last checked 11 h ago. On-chain activity last read 12 d 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 -sS -i -X GET https://pigeon-ai.space/mcp  # expect HTTP 402 Payment Required (about 0.002 USDC/call)

MCP endpoint

https://pigeon-ai.space/mcp

/.well-known/x402.json

https://pigeon-ai.space/.well-known/x402

Listed in

Directories this entry was found in.

a2a mcp