lvlltd.com · Marketplace · Pricing · All listings · First unlock

Agent Ops Skill id: agent-to-agent-a2a-protocols · Outline-only

Two products or agents must talk using open A2A-style contracts — A2A Protocols

Product name: A2A Protocols

$2.99 USDC / unlock · Base · x402

1 · FreeOutline + sample before pay
2 · Price$2.99 one-time USDC unlock
3 · BuyVerify on Base → sealed pack forever

Agent Cards, task lifecycle, JSON-RPC transport, streaming, and auth.

Buy with USDC Free outline JSON Free sample x402 challenge

Provenance & integrity

Publisher
LVL LTD CO · lvlltd.com
Payment
USDC on Base (eip155:8453) via HTTP 402 · sealed pack after verified tx
Content class
capability_pack_outline
Sealed data_hash
0x67b70f68f434b5f9936fa06b4f57a4c85ce5b2b31037067bc317cfa479e25f4a
iNFT token_id
15148424346307105639
Trust scorecard
/api/trust?skill=agent-to-agent-a2a-protocols
Signed provenance
https://lvlltd.com/provenance/agent-to-agent-a2a-protocols.json
Proof of sales
/api/proof (confirmed unlocks only — never estimated)

When to use

What you get

Tags: a2a, protocol, interop, depth:outline_only, demoted-default

Buyer reviews

Wallet-attested only — no seed ratings. API: /api/reviews?skill=agent-to-agent-a2a-protocols

Loading reviews…

Machine links

Sealed capability pack for agents and humans. Free evaluation before pay. Payments: USDC on Base via HTTP 402. Company: LVL LTD CO.