Paid approval revoke mcp route for autonomous agents. Returns JSON with provenance, route-specific evidence, and machine-readable fields. Buyer-intent match: spender reputation API, approval revoke intelligence. Price 0.05 USDC on Base via x402. Demo/preview: https://approval-revoke-mcp.mtree.workers.dev/demo/reputation. Contact: https://approval-revoke-mcp.mtree.workers.dev/contact.