Endpoint · computePOSTlaunchcheck-x402.fly.dev /v1/proposal-check
Stress-test a product, feature, API, implementation, or business proposal before meaningful investment.
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Stress-test a product, feature, API, implementation, or business proposal before meaningful investment. ProposalCheck evaluates the core thesis, assumptions, differentiation, feasibility, economics, scope, dependencies, validation strategy, kill criteria, and recommended build sequence, then returns a structured green-light, revise, or rethink decision.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$1.00 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://launchcheck-x402.fly.dev/v1/proposal-check
MCP server on this host: io.github.apolito53/launchcheck-x402
Seen
first 35 days ago · last 16 days ago
49 free handshakes
Payment
Pays through
x402
Offered on?
Base USDC
Listed on?
Base
Score, from free handshakes onlyweights 2026.09.4
UN
RATED
RATED
0.723 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.277: 0.077 uncertain ? + 0.200 short ? · 0.077 to B
| 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 | 0.872 | 0.523 | 0 | −0.077 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.723 | gap to 1.000 = 0.277 · 0.200 short · 0.077 uncertain | 0.723 | −0.200 | −0.077 |
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 × 0.872 liveness
+ 0.200 × 1.000 price stability
= 0.723 → UNRATED: 48 of 30 paid calls weights 2026.09.4 · 48 samples · seed cap_01M1A59Y36VWXVXDPHXXXAH1WQ|2026-08-25T16:21:42.901Z|2026.09.4
Verify it yourself
npx teppi-check https://launchcheck-x402.fly.dev/v1/proposal-checkcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59Y36VWXVXDPHXXXAH1WQ