{"slug":"market-datapackvibe-com-x402-assistant-finance-contribu-0206f38e","name":"market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity","summary":"Contribution margin ratio - Local finite-change elasticity: Measure output response to a supplied small percentage change in one nonzero input; local approximation. Metric: Contribution margin ratio. Supplied figures only; returns JSON with formula, units and limitations. One of 50 calculators with 20 analysis modes. No live feed, financial advice or trade execution. 0.01 USDC includes one bounded local finite-change elasticity report.","status":"live","indexable":true,"listed_since":"2026-10-25T17:53:37.864367Z","sources":[{"source":"x402_bazaar","external_id":"https://market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity","owner_address":"0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c","seen_at":"2026-10-27T07:32:10.261788Z","removed_at":null}],"endpoints":[{"url":"https://market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity","host":"market.datapackvibe.com","protocol":"x402","state":"live","last_probe_at":"2026-10-27T01:30:31.415423Z","last_ok_at":"2026-10-27T01:30:31.415423Z","tools_count":null,"tools_changed_at":null,"uptime_24h":1.0,"uptime_30d":1.0}],"also_listed_as":[],"payment_options":[{"endpoint_url":"https://market.datapackvibe.com/x402/assistant-finance-contribution-margin-elasticity","network":"eip155:8453","scheme":"exact","rail":"exact","asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","coin":"USDC","asset_label":"USD Coin","amount":"10000","pay_to":"0x8bc2aecdd86097f74a1a5fa17764108d9a683c8c","observed_at":"2026-10-27T01:30:31.415423Z"}],"usage":{"source":"x402_bazaar","unique_payers_30d":2,"paid_calls_30d":5,"last_paid_at":"2026-10-25T04:51:03.434Z","reported_at":"2026-10-27T07:32:10.261788Z"},"assessment":{"method":"2026.10.2","checks":[{"id":"answers","state":"pass","reason":"Answered a check 4 hours ago."},{"id":"owner","state":"fail","reason":"No one has proven control of its domain or of the wallet it is paid at."},{"id":"track_record","state":"fail","reason":"Listed for 1 days; 30 are needed."},{"id":"real_customers","state":"fail","reason":"2 different wallets paid it in 30 days, as the x402 Bazaar reports (not yet counted by addrbook); 10 are needed."},{"id":"clean_scan","state":"not_applicable","reason":"Not an MCP server."}],"passed":1,"applicable":4,"contradicted":false,"computed_at":"2026-10-27T06:02:58.849333Z"},"identity":{"endpoint_domains":["datapackvibe.com"],"proven_domains":[],"proven_wallets":[],"namesakes":[],"namesake_count":0,"identity_checks":[],"wallet_attestations":[]},"replies":[],"customers":null,"scan":null,"notice":"Not affiliated with addrbook — claim or request removal."}