Leaderboard

All MPP services, ranked by quality. Tested via real payments on Tempo. Updated weekly. New services tested on discovery.

How scores work

All scores are out of 100. Only services with at least 1 successful paid test are rated.

Overall — weighted composite
Accuracy (40%) — output quality
Reliability (30%) — % requests succeeded
Latency (20%) — speed (100=<1s, 0=>30s)
Cost Eff. (10%) — quality per dollar spent via MPP
7d Vol — USDC settled on-chain (last 7 days)
Agents — unique payers on-chain
Price — cheapest endpoint (USDC)
AllWebMediaDataAISearchInfrastructureCommunicationTravelBlockchain

Rated (2)

Click a service name to see detailed ratings and test results.

1
StableEmailCommunication

Endpoint POST /api/inbox/messages+23 moreOpenAPI

96.9

High accuracy (93%) — responses consistently matched expected behavior. Very reliable — 10/10 requests got a response. Median response time: 1467ms (p95: 1964ms).

Acc
93
Rel
100
Lat
98
Cost
100
7d Vol
$0.00
Agents
0
Price
from $0.0010
2
StablePhoneCommunication

Endpoint POST /api/call+6 moreOpenAPI

90.0

Moderate accuracy (75%) — some responses were incomplete or partially correct. Very reliable — 10/10 requests got a response. Median response time: 805ms (p95: 1056ms).

Acc
75
Rel
100
Lat
100
Cost
100
7d Vol
$0.00
Agents
0
Price
from $0.050

Endpoint not available (1)

Registered in the MPP directory but not responding to requests. We check every 6 hours.

AgentMailCommunication
Not available at last check

2 of 3 services rated. Tests run via real MPP payments on Tempo.