{"name":"approval_risk","description":"Hosted approval risk check for Base and EVM agents before signing token approvals or swaps: dangerous spender approvals, unlimited allowance exposure, approval-to-balance ratios, revoke-or-cap actions, and agent spend-control policy from fresh D1 wallet snapshots plus live allowance reads.","input":{"address":"0x0000000000000000000000000000000000000000","chain":"base","limit":40,"refresh":true},"endpoint":"/tools/approval_risk","resource":"https://wallet-portfolio-history-mcp.mtree.workers.dev/tools/approval_risk","price":"$0.20"}