What tools does the blackwall-x402-guardrail MCP server provide?

blackwall-x402-guardrail exposes 1 tools: forecast_payment. This list was returned by the running server when we connected to it.

Does blackwall-x402-guardrail require an API key?

No. blackwall-x402-guardrail answered a tools/list request without credentials.

How do I install blackwall-x402-guardrail?

Run: claude mcp add --transport http blackwall-x402-guardrail https://mcp.blackwalltier.com/. One-click install links for Cursor and VS Code are also available on the server's page.

Connection check verified live · 20h ago

blackwall-x402-guardrail

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

Finance & crypto AI & LLM tooling Maps, weather & location

Install

Remote (HTTP)

claude mcp add --transport http blackwall-x402-guardrail https://mcp.blackwalltier.com/

Tools 1

GitHub stars —

Installs / wk —

Licence —

Transport streamable-http

Last checked 20h ago

Tools & capabilities

1 tool

Read from the running server on 20h ago.

forecast_payment asset*chain*payeramount*contextagent_id +2

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 — w…