SALT19 Agent Utility Grid
https://api.salt19.com/v1/base-token-allowance
● healthy
model-context-protocol-mcp
MCP/x402 tools with bounded decisions, adaptive pricing, and Proof402 machine-commerce receipts.
Category
model-context-protocol-mcp
Chains
base
Price
$0.0100 USDC / call
Quality grade
How grading works
B
63.7 / 100
Availability
40.0 / 40
Endpoint responded (HTTP 200)
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
3.7 / 40
1 distinct payers, 1 USDC transfers in the last 30 days
Owner verified
0.0 / 3
Nobody has claimed this listing yet
Endpoint last checked 12 h ago.
On-chain activity last read 11 d ago.
Availability and on-chain demand are both re-probed daily; the grade
updates automatically on the next pass.
Paid endpoints
26 resource(s) advertised by this origin.
https://api.salt19.com/v1/base-token-allowance
https://api.salt19.com/v1/base-token-balance
https://api.salt19.com/v1/base-transaction-status
https://api.salt19.com/v1/base-wallet-balance
https://api.salt19.com/v1/base-contract-state
https://api.salt19.com/v1/sec-recent-filings
https://api.salt19.com/v1/sec-company-facts
https://api.salt19.com/v1/nws-active-alerts
https://api.salt19.com/v1/usgs-earthquakes
https://api.salt19.com/v1/url-to-llm-markdown
https://api.salt19.com/v1/npm-package-facts
https://api.salt19.com/v1/github-repo-facts
https://api.salt19.com/v1/agent-code-change-risk-gate
https://api.salt19.com/v1/github-repo-preflight
https://api.salt19.com/v1/model-memory-fit
https://api.salt19.com/v1/npm-package-intel
https://api.salt19.com/v1/url-http-preflight
https://api.salt19.com/v1/agent-plan-verifier
https://api.salt19.com/v1/dependency-go-no-go
https://api.salt19.com/v1/agent-claim-output-verifier
https://api.salt19.com/v1/repo-adoption-go-no-go
https://api.salt19.com/v1/dependency-upgrade-go-no-go
https://api.salt19.com/v1/agent-decision-preflight
https://api.salt19.com/v1/commerce-decision
https://api.salt19.com/v1/commerce-receipt
https://api.salt19.com/v1/commerce-verify
How to call
cURL · x402-fetch / x402-axios will auto-handle 402
curl -sS -i -X GET https://api.salt19.com/v1/base-token-allowance # expect HTTP 402 Payment Required (about 0.01 USDC/call)
MCP endpoint
https://api.salt19.com/mcp
/.well-known/x402.json
https://api.salt19.com/.well-known/x402
Listed in
Directories this entry was found in.
mcp
x402