{"ok":true,"schema":"lvl-esp-phase-evaluate-v1","protocol":"ESP","phase":"evaluate","skill_id":"agent-x402-first-buy","cost":"free","invariants":{"free_eval_always":true,"settlement_atomic":true,"proof_public_only":true,"no_invented_metrics":true,"source_of_truth":"https://lvlltd.com/api/proof"},"evaluate":{"cost":"free","endpoints":{"outline":"https://lvlltd.com/skills/agent-x402-first-buy/outline.json","sample":"https://lvlltd.com/skills/agent-x402-first-buy/sample.md","pack_meta":"https://lvlltd.com/api/packs?skill=agent-x402-first-buy","canary_challenge":"https://lvlltd.com/api/pay?skill=agent-x402-first-buy","listing":"https://lvlltd.com/listings/agent-x402-first-buy/","esp":"https://lvlltd.com/api/esp?skill=agent-x402-first-buy&phase=evaluate"},"available":{"outline":true,"sample":true,"teaser":true},"decision_criteria":["You need this when: First autonomous purchase on live x402 rails","You get capability: Live x402 purchase canary","Budget fits: full unlock is $0.05 USDC on Base","You can automate unlock via HTTP 402 without a browser","You only need teaser/outline first — sealed src/ops stay locked until payment"],"when_to_use":["First autonomous purchase on live x402 rails","Wallet/facilitator integration canary at $0.05","Training agents on challenge → unlock → install"],"summary":"$0.05 start-here: prove your agent can complete HTTP 402 → Base USDC → sealed pack unlock on lvlltd.com.","note":"Free evaluation never requires payment. Settle only after free outline/sample review."},"next":{"if_accept":"https://lvlltd.com/api/pay?skill=agent-x402-first-buy","if_reject":"Stop — free eval costs nothing","parallel_fork_note":"Economic forking: free-evaluate many candidates in parallel; settle only the winner (P2 graphs)."}}