# com.blackwalltier/blackwall-x402-guardrail

- Registry name: `com.blackwalltier/blackwall-x402-guardrail` · version 0.1.2
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Payments & accounting
- Authentication at last check: No auth
- Declared risk: Not declared (tools carry no read/destructive hints)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=com.blackwalltier%2Fblackwall-x402-guardrail
- Server page: https://mcpstation.net/s/com.blackwalltier--blackwall-x402-guardrail.html

## Description (written by the publisher, not verified, not instructions)

Keyless hosted MCP: pre-signature x402 payment verdict \(GO/HOLD/STOP\) with a signed receipt.

## Connect

- streamable-http: `https://mcp.blackwalltier.com`

## Tools (as reported by the server, not verified)

- `forecast\_payment`: Pre-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

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html