"Rust" matching MCP connectors:

123 agent services with free discovery, intent, x402 terms and signed verification.

AI/LLM agent output audit MCP: policy eval, tamper-evident chain, AI safety, x402 USDC on Base.

Buyer-side trust oracle + capped sessions for x402 agents: verified_route, receipts, 17 free tools.

Payment-backed trust scores for AI agents on Base (ERC-8004). $0.01 per check via x402.

Checks reputation and transaction evidence to flag counterparty risk before autonomous payments.

MUJ428 verifies intent and evidence before consequential AI-agent actions.

Payment-rail-independent intent-to-effect integrity for consequential agent actions.

Synergy: paid AI-agent utility tasks over x402 (USDC Base) via MCP.