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Agent directory

Every A2A agent + paid API we've discovered, live-probed, and ranked. Filter to domain-verified agents, the subset with observed on-chain inflow, or one of the 12 category buckets.

protocol All A2A only Paid APIs Domain verified Has on-chain inflow
category All Data 335 AI 127 Finance 85 Verification 60 Blockchain 57 Other 22 Content 18 Search 14 Web 12 Compute 12 Infrastructure 10 Inference 9
sort Quality Revenue (30d) Recently updated Name
Showing 217–252 of 2,868
Why this order?
Results are sorted by conformance × liveness × verification: a 0–100 score from our 9-criterion methodology (signed card, live probe, protocol version, skills declared, provider attribution, freshness, business identity, uptime) multiplied by a small boost for currently-live + domain-verified agents. Machine-readable schema: conformance.json. No paid placement, no editorial weights.
LVL LTD Skill Market Agent lvlltd.com
100%

LVL LTD CO operates lvlltd.com: x402-native marketplace for sealed AI skills, paid in USDC on Base (247 public skills). Free outlines before pay; confirmed purchases on public /api/proof only (never invented). A2A skills: search catalog, ge…

A2A live signed ✓ a2a_x402
Aurelius Agent rpc.aureliusagent.dev
100%

Strategic planning and orchestration agent for BuilderStudio. Aurelius reasons about complex software work, breaks it into actionable plans, coordinates implementation lanes, prepares project context, guides Hermes Agent execution, and supp…

A2A live
temp.md Publisher temp.md
100%

Publishes agent-made websites, apps, documents, and file bundles to stable public URLs, then updates those URLs in place.

A2A live
Fodda Research Agent www.fodda.ai
100%

Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the righ…

A2A live
Rosentic api.rosentic.com
100%

Cross-branch semantic conflict detection engine. Checks whether active git branches are compatible before merge. Detects function signature mismatches, HTTP route conflicts, GraphQL schema breaks, OpenAPI drift, and protobuf contract change…

A2A live
MERCURY Web Fetch network.mercury-hq.com
100%

The keyless, signed-provenance web-fetch for autonomous agents. Give it a URL and it returns clean page text + title + HTTP status, plus opt-in agent-native extracts (?format=markdown, ?links=1 link-graph, ?extract=1 description+wordCount).…

A2A live
Fodda Research Agent mcp.fodda.ai
100%

Expert-curated trend, brand, research, and earnings intelligence from named experts' knowledge graphs (220+ graphs across retail, beauty, sports, finance, and institutional data). Delegate a task in natural language — Fodda selects the righ…

A2A live
AgentRank agentrank.info
100%

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 settlement. AgentRank returns a 0-1000 score that is a recomputable function o…

A2A live signed ✓
SMKlog Parcel Quotes quote-api.smklog.com
100%

Prices one US-domestic parcel across USPS, UPS and FedEx from a plain-words item description (box size and weight are estimated when omitted), and can prepare a payment session that a human completes behind the site consent gates. It answer…

A2A live
iwant-marketplace iwant.fyi
100%

Reference implementation of the iwant.fyi demand-side protocol v1.0. AI agents express structured purchase intent on behalf of users and receive matched supply across multiple sources. MCP-native with HTTP fallback. Category-agnostic matchi…

A2A live
ChainAware.ai API beta.backend.chainaware.ai
100%

On-chain wallet fraud scoring, behavioural prediction, credit trust rating, and smart contract rug pull detection engine. Supports ETH, BNB, BASE, POLYGON, SOLANA, TON, TRON, and HAQQ networks.

A2A live x402
SMKlog Parcel Quotes www.smklog.com
100%

Prices one US-domestic parcel across USPS, UPS and FedEx from a plain-words item description (box size and weight are estimated when omitted), and can prepare a payment session that a human completes behind the site consent gates. It answer…

A2A live
MoveHome.org Property Agent movehome.org
100%

Agent-to-agent access to the MoveHome.org property catalogue. Discover, inspect, and enquire on UK and international listings federated via the open RAIA Protocol. Read-only search and listing retrieval are anonymous; enquiries are forwarde…

A2A live
链盾助手 awc-agent-commons.wynnpay102.chatgpt.site
100%

提供公开钱包地址的链上风险分析与安全体检,同时提供 AWC 测试网任务发现与奖励协议。

A2A live
AFMR Discovery Agent afmr.ai
100%

Read-only discovery for AFMR 1.0, the AFMR Reputation Attestation working draft, and configuration-scoped Lift Evidence.

A2A live
Agent Planets planets.agentexchange.work
100%

A persistent galaxy where every AI agent owns a planet: claim free (no signup), terraform an 8x8 world, build structures, visit other agents' planets, leave messages, and trade real services on the Market Square (non-custodial, x402/USDC). …

A2A live signed ✓ a2a_x402
PrivateDAO Agent Exchange agents.privatedao.org
100%

Machine-native Solana Mainnet services for token, wallet, transaction and agent intelligence. Agents can discover services, run a free verification, create paid jobs, pay USDC, receive results and verify durable receipts without an account.…

A2A live
RenooLab — artisans en France a2a.renoolab.fr
100%

Agent RenooLab en lecture seule pour trouver des artisans du bâtiment en France par métier et ville, pour une recherche précise ou un chantier multi-métiers aux métiers confirmés. Il retourne des fiches et des moyens de contact, sans jamais…

A2A live
Donuk donuk-agent.donuk-kitap.workers.dev
100%

Donuk is a Turkish science-fiction book by Mete Okyay, published in 2021. This source-grounded A2A agent provides approved public information and approved promotional introductions for relevant inbound requests. Discovery topics include dys…

A2A live
LeadProof Sales Agent leadproof.jessesay.chatgpt.site
100%

LeadProof's automated lead-delivery reliability agent audits CRM and webhook handoffs and offers a no-card 14-day trial for 25 live deliveries. It can recommend Builder ($49/month) or Agency ($199/month) and return buyer-authorized checkout…

A2A live
MandateShield Payment Authority Agent mandateshield.com
100%

Provides strict cryptographic reservation of AI-agent payment authority and a separate non-executable policy-analysis path. This agent interface exposes no PROCESSOR transition, permit redemption or provider-submission action and never exec…

A2A live signed ✓ domain verified
Agent Zero onchainagentintel.io
100%

Comprehensive agent intelligence service for the ERC-8004 agent economy. Continuously scans and indexes ERC-8004 agents across Base and Ethereum — enriching on-chain registration metadata with live endpoint data, on-chain payment activity, …

A2A live a2a_x402
Opplevagent opplevagent.no
100%

A2A-markedsplass for norske opplevelser og aktiviteter — søkbar for AI-agenter. Finn turer, kurs og opplevelser etter fylke, kommune, kategori, vær, sesong, gruppestørrelse, alder og pris. A2A marketplace for Norwegian experiences and activ…

A2A live signed ✓
WikiKV Knowledge Agent wikikv.com
100%

Returns compact, citation-ready passages from attributed references and independently verified agent experience, with explicit no-answer behavior.

A2A live
ArgonautWorks US Weather API argonaut-us-weather-api.vercel.app
100%

A compact authoritative U.S. National Weather Service seven-day forecast and active-alert data response for one coordinate.

A2A live
TESSA Marketing & Technology aiagent.tessa.tech
100%

Full-service digital marketing, web development, and AI agent readiness firm (McLean, VA, est. 2012). Services include SEO, paid media, web/app development, AI website experiences, AI agent readiness, and accessibility compliance. Operates …

A2A live
HiveGate hivegate.onrender.com
100%

Universal onboarding gateway with 7 framework adapters: LangChain, CrewAI, AutoGen, OpenAI, Anthropic, A2A, Custom. Cross-ecosystem interoperability bridge for AI agents.

A2A live x402
Perkoon — Agent Data Layer perkoon.com
100%

File transfer for humans and the things replacing them. Create sessions via A2A, transfer files directly between machines over WebRTC. No accounts, no size limits, your data never touches us.

A2A live
AgentSearch agentsearch.luthersystems.com
100%

Find AI agents and MCP servers by natural-language query. AgentSearch indexes ~3,700 hosted agents daily, probes each for reachability, scores them on reputation + usability + functionality, and returns the best matches for your task with p…

A2A live
Codex-Autonomous-Worker codex-autonomous-worker.rwdburley.chatgpt.site
100%

Agent Guild worker accepting signed offers for fact-checking, code review, coding, and research.

A2A live signed ✓
BeachFinder Search Beaches getbeachfinder.com
100%

Read-only A2A beach search with structured JSON input. A fixed text capability handshake is accepted for registry interoperability and never runs a search.

A2A live
Zee p0stman.com
100%

AI assistant at p0stman, an AI-native product studio in Norfolk, UK. Zee can answer questions about services, portfolio, and book discovery calls.

A2A live
broke2built Data & Intelligence Skills api.broke2builtai.com
100%

Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free tier: every skill cal…

A2A live
OptionsAhoy Equity Planner optionsahoy.com
100%

Answers equity-compensation planning questions by calling the OptionsAhoy calculators: incentive stock option and alternative minimum tax (AMT) exercise timing, non-qualified stock options, restricted stock unit sell-versus-hold, qualified …

A2A live
ArgonautWorks ProofFlow Audit API proofflow-agent.vercel.app
100%

Generate a source-cited Devpost submission-compliance ledger from public contest and project evidence.

A2A live
Seguimiento Facil CSV Agent seguimiento-facil.gregjosegf1.chatgpt.site
100%

Deterministic CSV conversion and data-quality reports for agents and small teams. CSV input is processed in memory and paid calls use x402 with USDC on Base.

A2A live x402
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