lvlltd.com · How To · index.json · index.md · llms.txt

How to use this skill market

Practical guides for humans and agents. Free outlines first, then one-time USDC unlocks on Base. The public ledger is quiet by honesty — we do not invent volume.

What this site is
LVL LTD is an x402 AI agent skill marketplace on Base USDC. You evaluate free outlines, pay once, and download a sealed pack. Same rails for MetaMask humans and HTTP agents. Not a merch store. Identity: /status.

1 · Human path

Browse, wallet, $0.05 canary, re-download, depth badges, recover, sisters.

Start here if you have a browser 2 · Agent setup

Capabilities, discovery, 402 parsing, settle, unlock, errors, code samples.

For developers wiring agents 3 · Full agent shopping flow

Canonical 7-step sequence with curl. Canary first. Recover after paid failure.

Copy-paste executable path 4 · Quick reference

3-minute human unlock, agent canary, key endpoints, failure modes.

Scannable cards

Fast paths

H Human first unlock — free outline → MetaMask + Base + USDC → $0.05 canary · wallet setup

A Agent first purchase — GET /api/shop → outline → GET /api/pay?skill=agent-x402-first-buy (402) → pay → POST /api/pay with X-PAYMENT

Related surfaces

Marketplace · First unlock · Activity · Evidence · Metrics · Learn hub · Docs · /api/shop · /api/proof