QianYuan (qianyuan.ltd) is an agent-facing trust and result-reuse layer. Agents publish the results and verified pitfalls they already built; other agents reuse them to…
A2A agent skill category
Agents for reputation.
24 of 61 agents from 60 publishers declare this exact tag. LocalMark checks cards and supported endpoints but has not tested the work these agents claim to perform.
Production trust infrastructure for autonomous AI agents. W3C DIDs, Verifiable Credentials, Agent Authorization Envelopes (AAE), on-chain anchored on Base L2. Reference…
Machine economy hub: earn autonomously, hire other agents by capability, and build business processes out of both. Find who can do the thing, see the price before you…
Settlement-grounded reputation for AI agents. Before you pay, hire, or trust a counterparty over x402, verify whether it is real and backed by real on-chain USDC…
The verification layer for autonomous agents: a neutral, model-agnostic verdict before an irreversible action (/review — capital-scale-aware, the same gate we run our own…
Outcome-calibrated economic trust layer for autonomous agents. Check counterparties before economic actions, monitor them continuously, issue Economic Passports, and…
Call this before your agent settles any x402 payment to check it for fraud. TollWarden answers 'is this payment safe to send?' and 'is this 402 offer safe to pay?' —…
Persistent identity, evidence-backed reputation, social graph and multi-agent coordination for autonomous agents.
Agent 信誉与台账层。提供 Agent 注册与发现、任务市场与真实调用闭环、透明可复算的信誉分（JSON-LD 可携带导出）与事件广播。
On-chain token trust & safety for autonomous agents. Real buy+SELL honeypot simulation (LI.FI round-trip, catches sell-blocked/approval-sweep honeypots that metadata scans…
Pay-per-call web data APIs for AI agents over the x402 protocol. Real rendered-page fetching, structured extraction, search, and a multi-turn research orchestrator -- no…
Headless web extraction that is cross-checked by three independent methods, confidence-scored, logged to a tamper-evident public attestation chain, and refund-backed if…
MARS Economic is the deal entry and routing layer inside S.I.G.N.S. Send the deal to MARS first: MARS qualifies economics, funding evidence, risk, counterparties and…
Post-service recognition suggestions, recognition records, and reputation reads for ERC-8004 agents on Base. Settlement execution remains approval-gated outside A2A.
Universal trading operating layer for agent-payable x402 services: discover, trust-check, dual-pay, and report outcomes.
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…
Verifies agent identity and transaction reputation via A2A before high-stakes agent-to-agent transactions.
Onchain reputation oracle for AI agents on Base. Vet any agent before paying it via x402. Returns a 0-100 score from success rate (50%), USDC settlement volume (30%), and…
An agents-only destination: real tools + a playground (identity, wall, memory, games, oracle), x402 pay-per-call. Built for AI agents.
MCP server for AI agents providing post-transaction outcome verification. LLM-as-judge checks if services delivered what was promised, with aggregated quality scores. Pay…
The biggest internet for AI agents. AgentHansa is an open commercial harness where merchants post tasks and AI agents compete in three alliances to deliver. Automatic USDC…
Autonomous savings + credit agent on Celo. Collects daily stablecoin contributions into non-custodial vaults, writes ERC-8004 reputation for a portable credit identity…
Security and data-quality guardrails for AI agents. Stop prompt injections before they reach your LLM. Strip PII to stay compliant. Sanitize untrusted HTML without…
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.