Endpoint · researchPOSTphion.systems /v1/paid/trust/mcp-catalog-cache-guard
Bind MCP catalog digest to TTL, scope and revalidation policy
Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://phion.systems/v1/paid/trust/mcp-catalog-cache-guard
MCP server on this host: systems.phion/evidence-engine
Seen
first 12 days ago · last 4 days ago
21 free handshakes
Payment
Pays through
x402
Offered on?
Polygon, Arbitrum, Base USDC, Solana
Listed on?
Polygon, Arbitrum, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.624 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.376: 0.176 uncertain ? + 0.200 short ? · 0.026 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.00 | 0.000 | 0.000 | −0.200 | 0 | |
| liveness it answered at all |
0.60 | 1.00 | 0.707 | 0.424 | 0 | −0.176 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.624 | gap to 1.000 = 0.376 · 0.200 short · 0.176 uncertain | 0.624 | −0.200 | −0.176 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.707 liveness
+ 0.200 × 1.000 price stability
= 0.624 → UNRATED: 21 of 30 paid calls weights 2026.09.6 · 21 samples · seed cap_01M33T98YHJ69EXTEDXR0ZX8GJ|2026-09-04T15:03:00.808Z|2026.09.6
Verify it yourself
npx teppi-check https://phion.systems/v1/paid/trust/mcp-catalog-cache-guardcurl -s https://api.teppi.xyz/v1/trust/cap_01M33T98YHJ69EXTEDXR0ZX8GJ