A side-by-side look at the Tamer Prompt Marketplace 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 Tamer Prompt Marketplace for finance & fintech work; choose SCRIPTMASTERLABS — x402 Gateway for finance & fintech over a hosted endpoint. You can also run both side by side in one mcpServers block.
list_tamer_prompts.sml_discover, sml_status, x402_contract.Rows where the two servers differ are marked.
| Spec | T Tamer Prompt Marketplace | S SCRIPTMASTERLABS — x402 Gateway |
|---|---|---|
| Category | Finance & Fintech | Finance & Fintech |
| Quality signal | 45/100 · Fair | 76/100 · Great |
| Install command | Not confirmed yet | Confirmed |
| Transport | — | Remote HTTP/SSE |
| Auth | No auth required | No auth required |
| Pricing | Not declared | Freemium |
| Required env vars | None listed | None listed |
| Verified owner | Community listing | Verified |
| GitHub stars | 0 | — |
| Directory activity | 0 views 0 installs 0 upvotes | 3 views 0 installs 0 upvotes |
| Tools | 1 | 3 |
| Full listing | View Tamer Prompt Marketplace | View SCRIPTMASTERLABS — x402 Gateway |
list_tamer_promptsReturns the catalog (title, price, purchase URL) so an agent can choose and pay.sml_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.
No confirmed install command for Tamer Prompt Marketplace yet — follow the setup steps linked from its listing page rather than a guessed package name.
{
"mcpServers": {
"scriptmasterlabs-x402-gateway": {
"url": "https://mcp-x402.onrender.com/mcp"
}
}
}