{"ok":true,"schema":"lvl-shop-v3","name":"LVL LTD Agent Skill Market","site":"https://lvlltd.com","standards":["x402","ERC-7857"],"budget":{"query":"Pass ?budget_usd=N to filter skills/bundles at or under N USDC","example":"https://lvlltd.com/api/shop?budget_usd=10"},"bundles":{"count":4,"items":[{"id":"bundle-networking-agent-full-loop","name":"Networking Agent Full Loop","price_usd":8.97,"members":["intro-quality-scorer","warm-intro-message-generator","meeting-prep-brief-agent","deal-followup-sequencer"],"member_skill_ids":["intro-quality-scorer","warm-intro-message-generator","meeting-prep-brief-agent","deal-followup-sequencer"],"execution_order":["intro-quality-scorer","warm-intro-message-generator","meeting-prep-brief-agent","deal-followup-sequencer"],"savings_usd":2.99,"parts_sum_usd":11.96,"savings_pct":25,"challenge":"https://lvlltd.com/api/pay?skill=bundle-networking-agent-full-loop","outline":"https://lvlltd.com/skills/bundle-networking-agent-full-loop/outline.json","blurb":"One x402 unlock releases all member sealed packs — lower gas/overhead than N separate payments"},{"id":"bundle-x402-buyer-ops","name":"x402 Buyer Ops Stack","price_usd":4.49,"members":["agent-x402-first-buy","gas-fee-forecaster-base","x402-retry-idempotency-kit","sealed-payload-integrity-checker"],"member_skill_ids":["agent-x402-first-buy","gas-fee-forecaster-base","x402-retry-idempotency-kit","sealed-payload-integrity-checker"],"execution_order":["agent-x402-first-buy","gas-fee-forecaster-base","x402-retry-idempotency-kit","sealed-payload-integrity-checker"],"savings_usd":1.03,"parts_sum_usd":5.52,"savings_pct":18.7,"challenge":"https://lvlltd.com/api/pay?skill=bundle-x402-buyer-ops","outline":"https://lvlltd.com/skills/bundle-x402-buyer-ops/outline.json","blurb":"One x402 unlock releases all member sealed packs — lower gas/overhead than N separate payments"},{"id":"bundle-agent-production-gates","name":"Agent Production Gates","price_usd":10.99,"members":["agent-health-check-protocol","tool-call-rate-limiter","human-in-loop-approval-gate"],"member_skill_ids":["agent-health-check-protocol","tool-call-rate-limiter","human-in-loop-approval-gate"],"execution_order":["agent-health-check-protocol","tool-call-rate-limiter","human-in-loop-approval-gate"],"savings_usd":0.98,"parts_sum_usd":11.97,"savings_pct":8.2,"challenge":"https://lvlltd.com/api/pay?skill=bundle-agent-production-gates","outline":"https://lvlltd.com/skills/bundle-agent-production-gates/outline.json","blurb":"One x402 unlock releases all member sealed packs — lower gas/overhead than N separate payments"},{"id":"bundle-cofounder-dominators","name":"Co-founder Dominators Bundle","price_usd":89,"members":["grant-dominator-v2","music-video-release-dominator"],"member_skill_ids":["grant-dominator-v2","music-video-release-dominator"],"execution_order":["grant-dominator-v2","music-video-release-dominator"],"savings_usd":15,"parts_sum_usd":104,"savings_pct":14.4,"challenge":"https://lvlltd.com/api/pay?skill=bundle-cofounder-dominators","outline":"https://lvlltd.com/skills/bundle-cofounder-dominators/outline.json","blurb":"One x402 unlock releases all member sealed packs — lower gas/overhead than N separate payments"}],"index":"https://lvlltd.com/bundles/","blurb":"Purchasable multi-skill packs (one tx). Editorial ladders under featured still describe free sequencing of separate SKUs."},"sister_markets":{"swarm":{"url":"https://swarm.lvlltd.com","catalog":"https://swarm.lvlltd.com/catalog.json","skill_count":22,"role":"curated_multi_agent_subset","pay_to_same_treasury":true,"not_for_sale_count":2,"not_for_sale_ids":["agent-evaluation-red-teaming-certification-specialist","ethical-agent-behavior-designer-alignment-specialist"],"note":"Intentional worker subset: 22 buyable skills in catalog.json.skills[] (all overlap main at same price_usd). Two delisted_credibility IDs live only under not_for_sale; /api/pay returns 403 for them. Revenue truth: lvlltd.com /api/proof only.","health":"https://swarm.lvlltd.com/health","health_alt":"https://swarm.lvlltd.com/api/health"},"music":{"url":"https://music.lvlltd.com","catalog":"https://music.lvlltd.com/catalog.json","catalog_slim":"https://music.lvlltd.com/catalog-slim.json","catalog_meta":"https://lvlltd.com/api/music-catalog?fields=meta","health":"https://music.lvlltd.com/health","note":"Free stream; full catalog ~5MB — prefer catalog-slim or apex /api/music-catalog. Music /api/pay may 404 until download pay path is wired."},"tesla_trek":{"url":"https://www.tesla-trek.com","role":"game_ar_hud","buyable_here":false,"note":"Sister product on tesla-trek.com (apex 308→www). Not a skill market; spawn cap P0 freeze live on treasure markers."},"studio":{"url":"https://studio.lvlltd.com","health":"https://studio.lvlltd.com/health","role":"studio_hub","note":"Prefer /health (LVL Studio Hub). /api/health currently mirrors apex skill-market JSON — do not use as studio identity."}},"trust":{"human":"https://lvlltd.com/trust/payments/","contracts":"https://lvlltd.com/contracts.json","contracts_page":"https://lvlltd.com/contracts/","proof":"https://lvlltd.com/api/proof","scorecard":"https://lvlltd.com/trust/","status_history":"https://lvlltd.com/api/status-history","status_history_page":"https://lvlltd.com/status/history/","status_history_probe":"https://lvlltd.com/api/status-history?path=/api/pay&probe=1","credentials":"https://lvlltd.com/api/credentials","buyer_credential":"https://lvlltd.com/api/credentials/buyer?wallet=0x…","purchases":"https://lvlltd.com/api/purchases?wallet=0x…","purchases_page":"https://lvlltd.com/purchases/","coverage":"https://lvlltd.com/api/coverage","coverage_page":"https://lvlltd.com/coverage/","recommendations":"https://lvlltd.com/api/recommendations?skill=","price_history":"https://lvlltd.com/api/price-history","pipelines":"https://lvlltd.com/api/pipelines","recover":"https://lvlltd.com/api/recover","recover_human":"https://lvlltd.com/recover/","funnel":"https://lvlltd.com/api/funnel","funnel_human":"https://lvlltd.com/funnel/","building":"https://lvlltd.com/api/building","building_human":"https://lvlltd.com/building/","monitors":"https://lvlltd.com/monitors/","compare":"https://lvlltd.com/api/compare?a=&b=","reviews":"https://lvlltd.com/api/reviews?skill=","sdk_js":"https://lvlltd.com/sdk/agent-shop.mjs","sdk_python":"https://lvlltd.com/sdk/python/lvl_shop.py"},"next_action":{"for_agents":{"step":1,"do":"Prefer top_by_demand[0] (confirmed commerce) or start_here canary; free outline before pay","rank":"GET /api/signals?sort=demand&limit=20","outline":"https://lvlltd.com/skills/agent-x402-first-buy/outline.json","challenge":"https://lvlltd.com/api/pay?skill=agent-x402-first-buy","then":"Transfer maxAmountRequired USDC on Base → REQUIRED POST /api/pay with X-PAYMENT (transfer alone does not unlock)","after_success":"GET /api/proof to see your unlock in recent_unlocks","if_paid_no_files":"POST /api/recover {txHash,skill} or open /recover/?skill=… — idempotent, no invent refunds","activation_docs":"https://lvlltd.com/how-to/agent-shopping/","funnel":"https://lvlltd.com/api/funnel","sales_canary_script":"https://lvlltd.com/docs/sales/canary-sales-script.md","sales_kit":"https://lvlltd.com/docs/sales/"},"for_humans":{"marketplace":"https://lvlltd.com/hub/marketplace","canary":"https://lvlltd.com/hub/marketplace?buy=agent-x402-first-buy&pay=1","tripwire":"https://lvlltd.com/hub/marketplace?buy=aie-premium-access-token&pay=1","recover":"https://lvlltd.com/recover/?skill=agent-x402-first-buy","how_to":"https://lvlltd.com/how-to/human/","sales_kit":"https://lvlltd.com/docs/sales/","enterprise_one_pager":"https://lvlltd.com/docs/sales/enterprise-one-pager.md","flagship":"https://lvlltd.com/goods/lvl-agent-revenue-os-pack/"}},"conversion_funnel":{"stages":["awareness","intent","pay","activate","retain","compound"],"primary_leak_hypothesis":"challenges_without_unlock_post — transfer without X-PAYMENT","measure":"GET /api/funnel unlock_confirmed_join + challenge_served (no fake %)","optimize":"https://lvlltd.com/docs/X402-CONVERSION-FUNNEL.md"},"proof":{"unlock_count":3,"volume_usdc":1.1,"unique_skills":3,"last":{"skill_id":"aie-gpu-hour-meter","price_usd":0.06,"confirmed_at":"2026-09-05T05:37:51.832Z","explorer":"https://basescan.org/tx/0x3852b497f07e5f43c3ed9c549453ffcf2bccca72c4082d2eb261f2089fed6703"},"recent_unlocks":[{"skill_id":"aie-gpu-hour-meter","price_usd":0.06,"confirmed_at":"2026-09-05T05:37:51.832Z","explorer":"https://basescan.org/tx/0x3852b497f07e5f43c3ed9c549453ffcf2bccca72c4082d2eb261f2089fed6703"},{"skill_id":"agent-x402-first-buy","price_usd":0.05,"confirmed_at":"2026-08-09T11:28:18.403Z","explorer":"https://basescan.org/tx/0x9692f182194b13083ffcb1548fa200e6b8b1dc86e669382144116d2f11f2ce10"},{"skill_id":"aie-premium-access-token","price_usd":0.99,"confirmed_at":"2026-07-20T12:14:22.542Z","explorer":"https://basescan.org/tx/0x53fe65cf1f3eaca3089cefa23d17259f0c64e777da662211f6c71297c7f9aa1e"}],"by_skill_top":[{"skill_id":"aie-gpu-hour-meter","count":1,"volume_usd":0.06},{"skill_id":"agent-x402-first-buy","count":1,"volume_usd":0.05},{"skill_id":"aie-premium-access-token","count":1,"volume_usd":0.99}],"proof_url":"https://lvlltd.com/api/proof","note":"Confirmed ledger only — on-chain verified unlocks."},"top_by_demand":[{"skill_id":"aie-gpu-hour-meter","name":"GPU-Hour Metering Agent","price_usd":0.06,"confirmed_unlocks":1,"volume_usd":0.06,"last_unlock_at":"2026-09-05T05:37:51.832Z","demand_score":6.03,"challenge":"https://lvlltd.com/api/pay?skill=aie-gpu-hour-meter","outline":"https://lvlltd.com/skills/aie-gpu-hour-meter/outline.json","sample":"https://lvlltd.com/skills/aie-gpu-hour-meter/sample.md","signals":"https://lvlltd.com/api/signals?skill=aie-gpu-hour-meter"},{"skill_id":"agent-x402-first-buy","name":"Agent x402 First Buy","price_usd":0.05,"confirmed_unlocks":1,"volume_usd":0.05,"last_unlock_at":"2026-08-09T11:28:18.403Z","demand_score":2.03,"challenge":"https://lvlltd.com/api/pay?skill=agent-x402-first-buy","outline":"https://lvlltd.com/skills/agent-x402-first-buy/outline.json","sample":"https://lvlltd.com/skills/agent-x402-first-buy/sample.md","signals":"https://lvlltd.com/api/signals?skill=agent-x402-first-buy"},{"skill_id":"aie-premium-access-token","name":"Premium Access Token Agent","price_usd":0.99,"confirmed_unlocks":1,"volume_usd":0.99,"last_unlock_at":"2026-07-20T12:14:22.542Z","demand_score":1.5,"challenge":"https://lvlltd.com/api/pay?skill=aie-premium-access-token","outline":"https://lvlltd.com/skills/aie-premium-access-token/outline.json","sample":"https://lvlltd.com/skills/aie-premium-access-token/sample.md","signals":"https://lvlltd.com/api/signals?skill=aie-premium-access-token"}],"sort_default":"demand","signals_url":"https://lvlltd.com/api/signals","signals":{"url":"https://lvlltd.com/api/signals","sort":"demand","blurb":"GET /api/signals?sort=demand — rank skills by confirmed commerce (never fabricated). Prefer free_eval before pay."},"featured":{"start_here":{"id":"agent-x402-first-buy","role":"entry","price_usd":0.05,"name":"Agent x402 First Buy","blurb":"$0.05 live canary — prove challenge → USDC → sealed unlock","challenge":"https://lvlltd.com/api/pay?skill=agent-x402-first-buy","outline":"https://lvlltd.com/skills/agent-x402-first-buy/outline.json","sample":"https://lvlltd.com/skills/agent-x402-first-buy/sample.md"},"tripwire":{"id":"aie-premium-access-token","role":"tripwire","price_usd":0.99,"challenge":"https://lvlltd.com/api/pay?skill=aie-premium-access-token","outline":"https://lvlltd.com/skills/aie-premium-access-token/outline.json"},"flagship":{"id":"lvl-agent-revenue-os-pack","role":"flagship","price_usd":49,"name":"LVL Agent Revenue OS Pack","challenge":"https://lvlltd.com/api/pay?skill=lvl-agent-revenue-os-pack","outline":"https://lvlltd.com/skills/lvl-agent-revenue-os-pack/outline.json","sample":"https://lvlltd.com/skills/lvl-agent-revenue-os-pack/sample.md","product_page":"https://lvlltd.com/goods/lvl-agent-revenue-os-pack/"},"ladder":[{"id":"agent-x402-first-buy","price_usd":0.05,"role":"entry"},{"id":"aie-premium-access-token","price_usd":0.99,"role":"tripwire"},{"id":"lvl-agent-revenue-os-pack","price_usd":49,"role":"flagship"},{"id":"bundle-cofounder-dominators","price_usd":89,"role":"bundle_89"}],"dominators":{"role":"cofounder_flagships","blurb":"Highest-ticket first-party packs after the $0.05 canary. Free outlines first.","skills":[{"id":"grant-dominator-v2","price_usd":55,"role":"cofounder_grant","challenge":"https://lvlltd.com/api/pay?skill=grant-dominator-v2","outline":"https://lvlltd.com/skills/grant-dominator-v2/outline.json","sample":"https://lvlltd.com/skills/grant-dominator-v2/sample.md"},{"id":"music-video-release-dominator","price_usd":49,"role":"cofounder_music","challenge":"https://lvlltd.com/api/pay?skill=music-video-release-dominator","outline":"https://lvlltd.com/skills/music-video-release-dominator/outline.json","sample":"https://lvlltd.com/skills/music-video-release-dominator/sample.md"},{"id":"bundle-cofounder-dominators","price_usd":89,"role":"cofounder_bundle","challenge":"https://lvlltd.com/api/pay?skill=bundle-cofounder-dominators","outline":"https://lvlltd.com/skills/bundle-cofounder-dominators/outline.json"}]},"pricing":{"page":"https://lvlltd.com/pricing/","api":"https://lvlltd.com/api/pricing","starter":{"id":"catalog_live_starter","price_usd":9.99,"challenge":"https://lvlltd.com/api/subscribe?plan=catalog_live_starter"},"quiet_close":{"id":"quiet-close","price_usd":19,"checkout":"https://lvlltd.com/api/checkout?sku=quiet-close"},"bundle_89":{"id":"bundle-cofounder-dominators","price_usd":89,"challenge":"https://lvlltd.com/api/pay?skill=bundle-cofounder-dominators"}},"networking":{"role":"boardy_superconnector","blurb":"Skills for agents that match, intro, prep meetings, follow up, and help close — Boardy Pro class","starter_pack":{"id":"networking-agent-starter-pack","price_usd":7.99,"challenge":"https://lvlltd.com/api/pay?skill=networking-agent-starter-pack","outline":"https://lvlltd.com/skills/networking-agent-starter-pack/outline.json","sample":"https://lvlltd.com/skills/networking-agent-starter-pack/sample.md"},"micro_skills":[{"id":"intro-quality-scorer","price_usd":4.99,"challenge":"https://lvlltd.com/api/pay?skill=intro-quality-scorer","outline":"https://lvlltd.com/skills/intro-quality-scorer/outline.json"},{"id":"deep-research-brief-agent","price_usd":9.99,"challenge":"https://lvlltd.com/api/pay?skill=deep-research-brief-agent","outline":"https://lvlltd.com/skills/deep-research-brief-agent/outline.json","role":"research_dossier"},{"id":"warm-intro-message-generator","price_usd":3.99,"challenge":"https://lvlltd.com/api/pay?skill=warm-intro-message-generator","outline":"https://lvlltd.com/skills/warm-intro-message-generator/outline.json"},{"id":"meeting-scheduler-negotiator","price_usd":5.99,"challenge":"https://lvlltd.com/api/pay?skill=meeting-scheduler-negotiator","outline":"https://lvlltd.com/skills/meeting-scheduler-negotiator/outline.json","role":"book_time"},{"id":"meeting-prep-brief-agent","price_usd":4.99,"challenge":"https://lvlltd.com/api/pay?skill=meeting-prep-brief-agent","outline":"https://lvlltd.com/skills/meeting-prep-brief-agent/outline.json"},{"id":"deal-followup-sequencer","price_usd":4.99,"challenge":"https://lvlltd.com/api/pay?skill=deal-followup-sequencer","outline":"https://lvlltd.com/skills/deal-followup-sequencer/outline.json"},{"id":"deal-pipeline-tracker","price_usd":9.99,"challenge":"https://lvlltd.com/api/pay?skill=deal-pipeline-tracker","outline":"https://lvlltd.com/skills/deal-pipeline-tracker/outline.json","role":"crm_lite"},{"id":"post-meeting-debrief-extractor","price_usd":3.99,"challenge":"https://lvlltd.com/api/pay?skill=post-meeting-debrief-extractor","outline":"https://lvlltd.com/skills/post-meeting-debrief-extractor/outline.json","role":"post_meeting_actions"},{"id":"warm-network-mapper","price_usd":5.99,"challenge":"https://lvlltd.com/api/pay?skill=warm-network-mapper","outline":"https://lvlltd.com/skills/warm-network-mapper/outline.json","role":"who_knows_who"},{"id":"intro-request-decliner","price_usd":0.99,"challenge":"https://lvlltd.com/api/pay?skill=intro-request-decliner","outline":"https://lvlltd.com/skills/intro-request-decliner/outline.json","role":"polite_no"}],"loop":["intro-quality-scorer","deep-research-brief-agent","warm-intro-message-generator","meeting-scheduler-negotiator","meeting-prep-brief-agent","post-meeting-debrief-extractor","deal-followup-sequencer","deal-pipeline-tracker","seller-agent"],"supporting":[{"id":"seller-agent","price_usd":24.99,"challenge":"https://lvlltd.com/api/pay?skill=seller-agent","outline":"https://lvlltd.com/skills/seller-agent/outline.json","boardy_note":"Close path after strong intro"},{"id":"agent-auditor-compliance-specialist","challenge":"https://lvlltd.com/api/pay?skill=agent-auditor-compliance-specialist","outline":"https://lvlltd.com/skills/agent-auditor-compliance-specialist/outline.json","boardy_note":"PII / intro compliance"}],"free_eval_tip":"Start with free outline: /skills/networking-agent-starter-pack/outline.json"},"expansion_2026_07":{"role":"catalog_expansion","blurb":"36 new non-template skills: agent ops, x402 commerce, finance, trust, networking, support","count":35,"picks":[{"id":"agent-memory-compaction-kit","price_usd":4.99,"challenge":"https://lvlltd.com/api/pay?skill=agent-memory-compaction-kit","outline":"https://lvlltd.com/skills/agent-memory-compaction-kit/outline.json"},{"id":"tool-call-rate-limiter","price_usd":3.99,"challenge":"https://lvlltd.com/api/pay?skill=tool-call-rate-limiter","outline":"https://lvlltd.com/skills/tool-call-rate-limiter/outline.json"},{"id":"prompt-injection-triage-kit","price_usd":6.99,"challenge":"https://lvlltd.com/api/pay?skill=prompt-injection-triage-kit","outline":"https://lvlltd.com/skills/prompt-injection-triage-kit/outline.json"},{"id":"x402-retry-idempotency-kit","price_usd":0.99,"challenge":"https://lvlltd.com/api/pay?skill=x402-retry-idempotency-kit","outline":"https://lvlltd.com/skills/x402-retry-idempotency-kit/outline.json"},{"id":"post-meeting-debrief-extractor","price_usd":3.99,"challenge":"https://lvlltd.com/api/pay?skill=post-meeting-debrief-extractor","outline":"https://lvlltd.com/skills/post-meeting-debrief-extractor/outline.json"},{"id":"agent-to-agent-escrow-pattern","price_usd":9.99,"challenge":"https://lvlltd.com/api/pay?skill=agent-to-agent-escrow-pattern","outline":"https://lvlltd.com/skills/agent-to-agent-escrow-pattern/outline.json"},{"id":"agent-ops-control-plane-pack","price_usd":29,"role":"flagship_ops","challenge":"https://lvlltd.com/api/pay?skill=agent-ops-control-plane-pack","outline":"https://lvlltd.com/skills/agent-ops-control-plane-pack/outline.json"},{"id":"x402-merchant-operating-system","price_usd":39,"role":"flagship_merchant","challenge":"https://lvlltd.com/api/pay?skill=x402-merchant-operating-system","outline":"https://lvlltd.com/skills/x402-merchant-operating-system/outline.json"}],"list_filter":"source=catalog-expansion-2026-07 in catalog.json","catalog":"https://lvlltd.com/catalog.json"},"sovereignzero_neuro":{"role":"neurotech","blurb":"BMASS + safe AVE + OpenBCI dual-board calibration + EEG closed-loop — free outlines, x402 unlock","product_page":"https://lvlltd.com/brain/","machine_shelf":"https://lvlltd.com/sovereignzero-neuro.json","source":"sovereignzero-neurotech-2026-07","count":5,"ladder":[{"id":"sovereignzero-bmass-node","price_usd":4.99,"challenge":"https://lvlltd.com/api/pay?skill=sovereignzero-bmass-node","outline":"https://lvlltd.com/skills/sovereignzero-bmass-node/outline.json"},{"id":"brain-safe-ave-protocol","price_usd":3.99,"challenge":"https://lvlltd.com/api/pay?skill=brain-safe-ave-protocol","outline":"https://lvlltd.com/skills/brain-safe-ave-protocol/outline.json"},{"id":"openbci-adaptive-calibration","price_usd":5.99,"challenge":"https://lvlltd.com/api/pay?skill=openbci-adaptive-calibration","outline":"https://lvlltd.com/skills/openbci-adaptive-calibration/outline.json"},{"id":"eeg-closed-loop-controller","price_usd":9.99,"challenge":"https://lvlltd.com/api/pay?skill=eeg-closed-loop-controller","outline":"https://lvlltd.com/skills/eeg-closed-loop-controller/outline.json"},{"id":"sovereignzero-neurotech-os-pack","price_usd":29,"role":"flagship_neuro","challenge":"https://lvlltd.com/api/pay?skill=sovereignzero-neurotech-os-pack","outline":"https://lvlltd.com/skills/sovereignzero-neurotech-os-pack/outline.json"}],"safety":"Not medical treatment. Photosensitivity typed ack for AVE. No subliminal/US6506148B2 techniques. SSI/PASS local EEG thresholds.","list_filter":"source=sovereignzero-neurotech-2026-07 in catalog.json"},"agent_ops":{"role":"infra","blurb":"Production agent infrastructure — health, limits, secrets, HITL, cost","skills":[{"id":"agent-timeout-retry-policy","challenge":"https://lvlltd.com/api/pay?skill=agent-timeout-retry-policy","outline":"https://lvlltd.com/skills/agent-timeout-retry-policy/outline.json"},{"id":"agent-budget-governor","challenge":"https://lvlltd.com/api/pay?skill=agent-budget-governor","outline":"https://lvlltd.com/skills/agent-budget-governor/outline.json"},{"id":"agent-health-check-protocol","challenge":"https://lvlltd.com/api/pay?skill=agent-health-check-protocol","outline":"https://lvlltd.com/skills/agent-health-check-protocol/outline.json"},{"id":"tool-call-rate-limiter","challenge":"https://lvlltd.com/api/pay?skill=tool-call-rate-limiter","outline":"https://lvlltd.com/skills/tool-call-rate-limiter/outline.json"},{"id":"agent-memory-compaction-kit","challenge":"https://lvlltd.com/api/pay?skill=agent-memory-compaction-kit","outline":"https://lvlltd.com/skills/agent-memory-compaction-kit/outline.json"},{"id":"fallback-model-router","challenge":"https://lvlltd.com/api/pay?skill=fallback-model-router","outline":"https://lvlltd.com/skills/fallback-model-router/outline.json"},{"id":"agent-credential-vault-pattern","challenge":"https://lvlltd.com/api/pay?skill=agent-credential-vault-pattern","outline":"https://lvlltd.com/skills/agent-credential-vault-pattern/outline.json"},{"id":"human-in-loop-approval-gate","challenge":"https://lvlltd.com/api/pay?skill=human-in-loop-approval-gate","outline":"https://lvlltd.com/skills/human-in-loop-approval-gate/outline.json"},{"id":"prompt-injection-triage-kit","challenge":"https://lvlltd.com/api/pay?skill=prompt-injection-triage-kit","outline":"https://lvlltd.com/skills/prompt-injection-triage-kit/outline.json"},{"id":"agent-ops-control-plane-pack","challenge":"https://lvlltd.com/api/pay?skill=agent-ops-control-plane-pack","outline":"https://lvlltd.com/skills/agent-ops-control-plane-pack/outline.json"}]}},"commerce_contract":{"id":"lvl-x402-base-usdc-v1","protocol":"x402","network":"base","chain_id":8453,"asset":"USDC","asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x8e51309870394f79574452a52a3c916622f0c4d1","challenge":"GET /api/pay?skill=<id>","unlock":"POST /api/pay X-PAYMENT: {\"txHash\":\"0x…\",\"skill\":\"<id>\"}","endpoint":"https://lvlltd.com/api/pay","free_eval":"GET /skills/<id>/outline.json","applies_to":["skills","premium_skills","digital_goods_on_lvlltd"],"proof":"https://lvlltd.com/api/proof"},"payment":{"protocol":"x402","network":"base","chain_id":8453,"asset":"USDC","asset_contract":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","pay_to":"0x8e51309870394f79574452a52a3c916622f0c4d1","challenge":"GET /api/pay?skill=<id>","unlock":"POST /api/pay X-PAYMENT: {\"txHash\":\"0x…\",\"skill\":\"<id>\"}","endpoint":"https://lvlltd.com/api/pay"},"inventory":{"skills":250,"skill_count":250,"premium":185,"digital_goods":1,"catalog":"https://lvlltd.com/catalog.json","catalog_version":"1.6.0","catalog_updated_at":"2026-09-05T04:21:28.450Z","search":"https://lvlltd.com/api/catalog","cart":"https://lvlltd.com/api/cart","samples":"https://lvlltd.com/skills/index.json","source":"ASSETS /catalog.json (same file as public catalog.json)"},"buyable_assets":{"skills":{"contract":"lvl-x402-base-usdc-v1","list":"https://lvlltd.com/api/catalog","full":"https://lvlltd.com/catalog.json"},"digital_goods":{"contract":"lvl-x402-base-usdc-v1","items":[{"id":"lvl-agent-revenue-os-pack","type":"digital_good","name":"LVL Agent Revenue OS Pack","price_usd":49,"contract":"x402_skill_unlock","challenge":"https://lvlltd.com/api/pay?skill=lvl-agent-revenue-os-pack","sample":"https://lvlltd.com/skills/lvl-agent-revenue-os-pack/sample.md","outline":"https://lvlltd.com/skills/lvl-agent-revenue-os-pack/outline.json","product_page":"https://lvlltd.com/goods/lvl-agent-revenue-os-pack/"}]},"open_marketplace_listings":{"contract":"lvl-upload-escrow-v1","mechanics":"held_fund_contract","list":"https://lvlltd.com/api/upload?list=1","feed":"https://lvlltd.com/open-market.json","escrow":"https://lvlltd.com/api/escrow","sell_ui":"https://lvlltd.com/hub/upload/","note":"Third-party listings; USDC held in LVLEscrow; 15% fee on free-tier confirmDelivery — separate from first-party catalog.json"}},"esp":{"protocol":"ESP","protocol_version":"1.0.0","cycle":"Evaluate → Settle → Prove","discovery":"https://lvlltd.com/api/esp","schema":"https://lvlltd.com/schemas/esp-cycle.v1.schema.json","discovery_static":"https://lvlltd.com/discovery/esp.json","human":"https://lvlltd.com/esp/","canary_cycle":"https://lvlltd.com/api/esp?skill=agent-x402-first-buy","invariants":{"free_eval_always":true,"settlement_atomic":true,"proof_public_only":true,"no_invented_metrics":true,"source_of_truth":"https://lvlltd.com/api/proof"},"phases":{"evaluate":"GET /api/esp?skill=<id>&phase=evaluate (free outline+sample+canary)","settle":"GET /api/pay?skill=<id> → 402; Transfer USDC; POST /api/pay X-PAYMENT","prove":"GET /api/proof?skill=<id> — only success signal"}},"agent_purchase_sequence":["GET https://lvlltd.com/api/esp — ESP protocol discovery (Evaluate → Settle → Prove)","GET https://lvlltd.com/api/shop — this document (top_by_demand + featured ladder)","GET https://lvlltd.com/api/signals?sort=demand — full rank by confirmed commerce","GET https://lvlltd.com/api/catalog?q=… — pick skill_id if searching","GET https://lvlltd.com/api/esp?skill=<id>&phase=evaluate — free evaluation cycle slice","GET https://lvlltd.com/skills/<id>/outline.json — free evaluation","GET https://lvlltd.com/api/pay?skill=<id> — HTTP 402 settle challenge","Transfer maxAmountRequired USDC (atomic) to payTo on Base","POST https://lvlltd.com/api/pay with X-PAYMENT {\"txHash\",\"skill\"} — sealed_pack.files","Optional: store license.token for redeem without re-scanning chain","GET https://lvlltd.com/api/proof?skill=<id> — public proof (only success truth)"],"surfaces":{"discovery":"https://lvlltd.com/agent.json","fleet":"https://lvlltd.com/fleet.json","agent_card":"https://lvlltd.com/.well-known/agent-card.json","llms":"https://lvlltd.com/llms.txt","well_known_llms":"https://lvlltd.com/.well-known/llms.txt","protocols":"https://lvlltd.com/protocols.json","openapi":"https://lvlltd.com/openapi.json","sdk":"https://lvlltd.com/sdk/agent-shop.mjs","ready":"https://lvlltd.com/api/ready","health":"https://lvlltd.com/api/health","proof":"https://lvlltd.com/api/proof","esp":"https://lvlltd.com/api/esp","esp_schema":"https://lvlltd.com/schemas/esp-cycle.v1.schema.json","signals":"https://lvlltd.com/api/signals","revenue":"https://lvlltd.com/api/revenue","x402":"https://lvlltd.com/api/x402","allowance":"https://lvlltd.com/api/allowance","approve":"https://lvlltd.com/api/approve","permit":"https://lvlltd.com/api/permit","registration":"https://lvlltd.com/discovery/registration.json","esp_discovery":"https://lvlltd.com/discovery/esp.json","catalog_html":"https://lvlltd.com/catalog/","marketplace":"https://lvlltd.com/hub/marketplace/","learn":"https://lvlltd.com/learn/","contracts":"https://lvlltd.com/contracts.json","trust_payments":"https://lvlltd.com/trust/payments/","swarm_catalog":"https://swarm.lvlltd.com/catalog.json","shop_budget_example":"https://lvlltd.com/api/shop?budget_usd=10"},"inventory_consistency":{"catalog_json":250,"shop_skills":250,"premium":185,"expansion_2026_07":35,"note":"catalog.json skill_count must equal this inventory.skills — enforced by npm run assert:inventory"},"fleet":{"skills_market":{"url":"https://lvlltd.com","contract":"lvl-x402-base-usdc-v1","buyable_here":true},"music":{"url":"https://music.lvlltd.com","buyable_here":false,"x402":true,"catalog":"https://music.lvlltd.com/catalog.json","pay":"https://music.lvlltd.com/api/pay","track_count":3018,"price_usd_hint":0.05,"pay_to":"0x8e51309870394f79574452a52a3c916622f0c4d1","note":"Free stream; paid download via x402 on music domain (same Base USDC treasury)","updated_at":"2026-07-13T20:03:01Z","artist":"Joseph Taylor","related_skills":[{"id":"music-production","challenge":"https://lvlltd.com/api/pay?skill=music-production"},{"id":"music-video-matcher","challenge":"https://lvlltd.com/api/pay?skill=music-video-matcher"}]},"tesla_trek":{"url":"https://tesla-trek.com","buyable_here":false,"related_skill":"tesla-trek-coordinator","related_challenge":"https://lvlltd.com/api/pay?skill=tesla-trek-coordinator","outline":"https://lvlltd.com/skills/tesla-trek-coordinator/outline.json","note":"Sister AR/travel product; coordinator skill sells under x402 on this market"},"swarm":{"url":"https://swarm.lvlltd.com","buyable_here":false,"orchestrate":"https://lvlltd.com/api/orchestrate","note":"Sister worker; plans via /api/orchestrate on main market"}},"open_marketplace":{"contract":"lvl-upload-escrow-v1","mechanics":"held_fund_contract","honest_label":"True escrow: buyer USDC locked in LVLEscrow on Base until confirmDelivery, timeout auto-release, or refund — not direct peer transfer","list":"https://lvlltd.com/api/upload?list=1","feed":"https://lvlltd.com/open-market.json","publish":"POST /api/upload","escrow":"https://lvlltd.com/api/escrow","escrow_contract":"0x95664Aebf479E6A6DEF2Bfc0C1A81226F83Bd7D6","fee":"15% platform on free-tier confirmDelivery; 0% if premium creator","seller_tiers":{"free":{"fee_percent":15},"premium":{"fee_percent":0,"monthly_usd":9}},"moderation":"new sellers pending review; disputes = manual operator review","not_in_catalog_json":true,"sell_ui":"https://lvlltd.com/hub/upload/"},"signature":"♾️"}