A side-by-side look at the X402 Scan MCP and SCRIPTMASTERLABS — x402 Gateway MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.
Verdict: choose X402 Scan MCP for finance & fintech work as a local process; choose SCRIPTMASTERLABS — x402 Gateway for finance & fintech over a hosted endpoint. You can also run both side by side in one mcpServers block.
scan_endpoint, scan_batch, census_stats.sml_discover, sml_status, x402_contract.Rows where the two servers differ are marked.
| Spec | S SCRIPTMASTERLABS — x402 Gateway | |
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 57/100 · Good | 77/100 · Great |
| Install command | Confirmed | Confirmed |
| Transport | Local subprocess (stdio) | Remote HTTP/SSE |
| Auth | No auth required | No auth required |
| Pricing | Free | Freemium |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Verified |
| GitHub stars | 0 | — |
| Directory activity | 0 views 0 installs 0 upvotes | 4 views 0 installs 0 upvotes |
| Tools | 3 | 3 |
| Full listing | View X402 Scan MCP | View SCRIPTMASTERLABS — x402 Gateway |
scan_endpointProbe one x402 endpoint — HTTP status, envelope source/validity, `accepts[]` summary, MPP dual-stack, A-F grade, findingsscan_batchRun `scan_endpoint` over up to 10 URLs, sequentially, plus a one-line summary like `7/10 healthy, 2 dead, 1 broken envelopecensus_statsLive ForgeMesh catalog stats plus the static August 2026 x402 Bazaar health census headline numberssml_discoverFind the x402 Gateway contract and where to inspect fresh payment requirements. FREE.sml_statusCheck the public x402 Gateway identity and canonical payment rail. FREE.x402_contractInspect the canonical x402 payment contract. Returns network, USDC asset, payTo, headers, and the rule for resolving fresh target requirements. FREE.Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.
{
"mcpServers": {
"x402-scan-mcp": {
"command": "npx",
"args": [
"-y",
"@forgemeshlabs/x402-scan-mcp"
]
}
}
}
{
"mcpServers": {
"scriptmasterlabs-x402-gateway": {
"url": "https://mcp-x402.onrender.com/mcp"
}
}
}