# blackwall-x402-guardrail MCP server

Pre-signature x402 payment verdict (GO/HOLD/STOP) for AI agents, with a verifiable signed receipt.

## Links
- Registry page: https://www.getdrio.com/mcp/com-blackwalltier-blackwall-x402-guardrail
- Repository: https://github.com/bluetieroperations-create/blackwall-mcp-remote
- Website: https://blackwalltier.com

## Install
- Endpoint: https://mcp.blackwalltier.com
- Auth: Not captured

## Setup notes
- Remote endpoint: https://mcp.blackwalltier.com

## Tools
- 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 that, returns an x402 payment challenge. Endpoint: https://mcp.blackwalltier.com

## Resources
Not captured

## Prompts
Not captured

## Metadata
- Owner: com.blackwalltier
- Version: 0.1.1
- Runtime: Streamable Http
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Jul 8, 2026
- Source: https://registry.modelcontextprotocol.io