CCXT
Verified · 29 days agoOfficial CCXT MCP server - Market data and trading across 100+ exchanges and prediction markets
blackwall-x402-guardrail
Verified · 15 days agoKeyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.
Install
claude mcp add --transport http blackwall-x402-guardrail https://mcp.blackwalltier.com
Our take
Provides a pre-signature x402 payment check that returns a GO/HOLD/STOP verdict plus a signed receipt agents can verify later. It is aimed at agent builders experimenting with paid tool calls and transaction controls. The concept is specialized and potentially useful, but the zero-star footprint and narrow scope make it look early-stage rather than broadly proven.
Verification record
- 15 days ago
- 0
- 42 days ago
- no
- 2026-07-08
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