Endpoint · evidenceGETscvd.store /api/buy/signature_agent_card ?agent_name=friendly-agent&url=https%3A%2F%2Fyour-agent.example
The Calling Card.
Read more
The Calling Card. REQUIRES ?url= on the paid request — a signed request without it is refused before the gate and no money moves. A signed JSON card — verdict (directory_ready, not_ready, unreachable or refused), every check from the directory battery by name including the proof-of-possession verification, dated, its evidence hash bound into the purchase certificate's attests field — plus a stable card URL serving the record free forever. Instant; one GET at one moment, neve…Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.99 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://scvd.store/api/buy/signature_agent_card?agent_name=friendly-agent&url=https%3A%2F%2Fyour-agent.example
MCP server on this host: store.scvd/general-store
Seen
first 35 days ago · last 17 hr ago
64 free handshakes
Payment
Pays through
x402 · MPP evm
Offered on?
Polygon, Arbitrum, eip155:480, Base USDC, Solana
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.859 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.141: 0.102 uncertain ? + 0.039 short ? · 0.041 to A
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| livenesscosts the most it answered at all |
0.60 | 0.99 | 0.860 | 0.516 | −0.006 | −0.078 | |
| latency p95 it answered as fast as its class |
0.20 | 0.84 | 0.712 | 0.142 | −0.033 | −0.025 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.859 | gap to 1.000 = 0.141 · 0.039 short · 0.102 uncertain | 0.859 | −0.039 | −0.102 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.600 × 0.860 liveness
+ 0.200 × 0.712 latency p95
+ 0.200 × 1.000 price stability
= 0.859 → UNRATED: 57 of 30 paid calls weights 2026.09.6 · 57 samples · seed cap_01M1A59S65SB3CDCVN249CWP1S|2026-09-03T00:44:19.780Z|2026.09.6
Verify it yourself
npx teppi-check https://scvd.store/api/buy/signature_agent_card?agent_name=friendly-agent&url=https%3A%2F%2Fyour-agent.examplecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59S65SB3CDCVN249CWP1S