All servers · Agent payments (x402) · Payments & accounting
com.blackwalltier/blackwall-x402-guardrail
com.blackwalltier/blackwall-x402-guardrail · v0.1.2
Measured by MCP Station
| Last check | Reachable |
|---|---|
| Checked at | — |
| Check success 7 / 30 days | — |
| First-try success 30 days | — |
| Median response | — |
| Lookups 30 days | — |
| Authentication | No auth |
| MCP version | 2025-06-18 |
| Rank score | — |
| Declared risk | Not declared (tools carry no read/destructive hints) |
| Capabilities declared | tools |
| Tool definitions | 1 tools · with description 100% · input schema is an object 100% · read/destructive hints 0% |
Description written by the publisher, not verified
Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.
Connect
streamable-http · https://mcp.blackwalltier.com
claude mcp add --transport http blackwall-x402-guardrail https://mcp.blackwalltier.com{
"mcpServers": {
"blackwall-x402-guardrail": {
"url": "https://mcp.blackwalltier.com"
}
}
}Tools as reported by the server
forecast_paymentPre-signature x402 payment verdict: GO / HOLD / STOP for paying a counterparty, from settlement reputation, price-anomaly (quoted vs the payee's own median), and OFAC sanctions — with a third-party-verifiable Ed25519 signed receipt. Verdict only; never takes custody. Free under $10 at risk; over tha
Repository · Website · JSON · Text for agents · Registry updated 2026-08-25