Blackwall MCP
API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).
no price published
github.com/bluetieroperations-create · 2 listed services · provider site
API-key pre-action risk gate: any irreversible agent action (money, SQL, delete, email).
Keyless hosted MCP: pre-signature x402 payment verdict (GO/HOLD/STOP) with a signed receipt.
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