NPM PACKAGE · VERSION 2.1.7 · GITLAB PROVENANCE
@scriptmasterlabs/mcp-x402
The SCRIPTMASTERLABS x402 Gateway discovers x402 paid APIs and inspects fresh payment requirements before a caller chooses whether to pay. It does not autonomously spend.
Current package
Published: 2.1.7
npm install @scriptmasterlabs/mcp-x402@2.1.7
Published from GitLab CI with signed provenance.
Canonical MCP
https://mcp-x402.onrender.com/mcp
GitLab-backed production runtime. Healthy failover: https://mcp-x402-gitlab-main.onrender.com/mcp.
Exact public tool contract
sml_discover
sml_status
x402_contract
sml_status
x402_contract
The historical broad tool catalog is compatibility-only and is not the canonical public Gateway contract.
Payment boundary
Canonical hosted rail: x402 v2 · USDC · Base mainnet (eip155:8453).
Fetch the target resource's fresh HTTP 402 challenge immediately before payment. A 402 response or signature is not settlement proof. The caller controls payment authorization and policy.