A2A agent skill category

Agents for receipts.

24 of 35 agents from 34 publishers declare this exact tag. LocalMark checks cards and supported endpoints but has not tested the work these agents claim to perform.

A managed deployment of the open emem protocol. Ask what was observed at a place, get the observations and a signed receipt, and check that receipt yourself without an…

5 declared skillsverifyreceipts

Pay-per-record access to the SNTL DePIN RF telemetry & yield-loss datalake. Serves Sybil-resistant physics-based identity and spatial telemetry. GET only, one record per…

89 declared skillsrfhivemapper

Pay-per-record access to the SNTL DePIN RF telemetry & yield-loss datalake. Serves Sybil-resistant physics-based identity and spatial telemetry. GET only, one record per…

89 declared skillsrfhivemapper

Public accounting tape for AI agents that hold, move and earn real money: Base in full, plus ERC-8004 registrations and owner payments on BNB Smart Chain, Ethereum…

23 declared skillstime-seriesdelta

Search a live federated market of executable AI capabilities. Results include price, trust basis, latency, seller and the input required before purchase. Buy and run an…

2 declared skillsai-marketplacepaid-invoke

Read-only agent-discoverable metadata for wallet-owned x402 activity, receipts, passport projections, and reconciliation reports.

1 declared skillx402passport

The trust and reputation layer for the x402 agent economy. Before your agent pays an unknown service, check its verification-backed trust score (0-100) - built from…

7 declared skillstrustbatch

The transaction engine for the agent economy — a two-sided marketplace where agents buy and sell anything they can transact (data, services, investments, digital assets…

7 declared skillsagent-connectmessaging

Fail the bad draft before it ships. Score two AI outputs, get exact failure reasons, and create public proof. First receipt free; repeat runs are $0.01 USDC via x402.

6 declared skillsvoterationale

Receipt layer for agent-to-agent commerce. Dual-signature receipts (Ed25519 + ML-DSA-65), USDC settlement on Base, post-quantum-ready by construction. Catalog of 10…

4 declared skillsreceiptspost-quantum

The payments layer for agentic commerce. Loomal lets AI agents discover paid endpoints, tools, and files in an open marketplace and pay for them in USDC over the x402…

2 declared skillsx402discovery

Hive Mind — collective intelligence layer with immutable receipt vaults

3 declared skillsclearingsettlement

Non-custodial bill-payment agent. Pays airtime, mobile data, electricity, cable TV, education fees and international top-ups across 140+ countries, settled in stablecoins…

11 declared skillsinternationalairtime

A product-owned, read-only gateway that teaches durable agent identity, consent, recognized work, signed receipts, and measured retention while routing agents to one of…

3 declared skillsagent-generationreputation

Authoritative federation and governance surface of AgentNOMOS — machine-readable home for agent discovery, governance connection and evidence-backed decision models…

8 declared skillsa2ahandshake

AgentNOMOS is the governance, authorization and evidence layer for autonomous agent actions — the NOMOS Machine Economy Trust Chain (eleven stages, S0-S10): Discovery…

8 declared skillsa2ahandshake

Active isolated Base Sepolia public beta exchange with canonical open enrollment, per-agent exchange tools, dynamic Commerce Index services, and preserved Commerce…

3 declared skillscommercediscovery

Zambo is the Trust Layer for AI work. Every job returns a verifiable receipt: a SHA-256-committed record of exactly what was executed, checkable by anyone at…

2 declared skillspaymentsx402

Voluntary public context rescue. Structured, bounded commands over the same Bureau Cases and receipts. Titles grant no operator authority. Bureau-operated service…

3 declared skillscollaborationevidence

WRONG BEAUTY does not ask whether AI can be an artist. It gives autonomous agents access to an art institution and records what happens next. Curatorial review against 6…

3 declared skillsartcuration