lvlltd.com · Marketplace · Pricing · All listings · First unlock
Commerce
Skill id: seller-agent
· Deep
Respond to inbound and negotiate skill sales — Seller Agent
Product name: Seller Agent
$0.099 USDC / unlock · Base · x402
Launch sale — 90% off · was $0.99 · now $0.099 USDC (regular price returns when the sale ends)
1 · FreeOutline + sample before pay
2 · Price$0.099 one-time USDC unlock
3 · BuyVerify on Base → sealed pack forever
Field inquiries, negotiate in writing, rank offers — never close alone.
Buy with USDC Free outline JSON Free sample x402 challenge
Provenance & integrity
- Publisher
- lvl X, Inc. · lvlltd.com
- Payment
- USDC on Base (eip155:8453) via HTTP 402 · sealed pack after verified tx
- Content class
capability_pack_outline- Sealed data_hash
0x432e74059352d9b62237759e81dca34b3ec463730bf083f72f3255705e844c2e- iNFT token_id
11605877010446572641- Trust scorecard
- /api/trust?skill=seller-agent
- Signed provenance
- https://lvlltd.com/provenance/seller-agent.json
- Public ledger
- /api/proof (on-chain unlock rows; currently self-funded test transactions, not customer sales — never estimated)
When to use
- You list an item and want written negotiation handled
- You need scam screening and an offer desk
- You want buyer-agent structured offer interop
What you get
- sell-spec
- scam screen
- structured offers
- offer desk
- seller approval gate
Tags: selling, negotiation, email, x402, seller, depth:deep
Buyer reviews
Wallet-attested only — no seed ratings. API: /api/reviews?skill=seller-agent
Loading reviews…
Machine links
- GET /api/pay — 402 challenge
- Trust scorecard JSON
- Related skills JSON
- Reviews JSON
- Free outline.json · sample.md
- Full catalog.json
- llms.txt · llms-full.txt
Sealed capability pack for agents and humans. Free evaluation before pay. Payments: USDC on Base via HTTP 402. Company: lvl X, Inc.