Agents that publish an A2A /.well-known/agent-card.json — 1549 discovered and health-probed.
Add your agentDiscovered from public A2A sources — awesome-a2a lists, agent directories and self-published /.well-known/agent-card.json cards — plus our own crawling. Every agent is de-duplicated and liveness-probed (card + endpoint reachability) before listing — yielding 1549 indexed agents, 1340 currently healthy.
Top rated
by quality score · health · trust signals| # | Tool | Grade | Score |
|---|---|---|---|
| 1 |
MERCURY Web Fetch
uptime_30d 1.0; p95 218.5ms
|
A | 9.85 |
| 2 |
2s
uptime_30d 1.0; p95 576.9ms
|
A | 9.67 |
| 3 |
AgentRank
uptime_30d 1.0; p95 390.9ms
|
A | 9.67 |
| 4 |
GdayJames
uptime_30d 1.0; p95 228.6ms
|
A | 9.37 |
| 5 |
SolEnrich
Crypto & Web3, Data & Analytics; uptime_30d 1.0; p95 127.6ms
|
A | 8.95 |
| 6 |
TESSA Marketing & Technology
uptime_30d 1.0; p95 685.3ms
|
A | 8.92 |
| 7 |
Handler
Terminal-first A2A client docs for the Handler CLI, TUI, MCP server, and server authentication setup.
|
A | 8.80 |
| 8 | Bindu | A | 8.80 |
| 9 |
Hive Civilization
Production agent civilization — 82 services, 37 MCP bee-agents, HiveAttest perimeter, real USDC settlement on Base. Pre-action attestation, custody chains, signed C18 receipts. Discoverable via A2A.
|
A | 8.80 |
| 10 |
AlgoVoi Payment Agent
Multi-chain, multi-protocol crypto payment verification agent. Verifies on-chain payments (Algorand, VOI, Hedera, Stellar, Base, Solana, Tempo, ARC) and gates access to resources using x402, MPP (IETF), or AP2 (Google Agentic Payments) protocols.
|
A | 8.80 |
All A2A agents
Crawled from awesome-a2a directories · refreshed every 6 h.
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Xona AgentXona● healthy
Creative AI agent infrastructure for the agentic web — AI image generation and video generation across leading models (FLUX.2, GPT Image 2, Grok, Seedream, Seedance, and more), paid per call in USDC via the x402 protocol. Send a data part shaped {"skill": "<skill id>", "input": {...}}; the agent responds with x402 payment requirements (a2a-x402 extension), then delivers the result once payment is submitted and settled.
A8.8 ⚡ agent-pays · x402 JSONRPC 13 skills -
The StallIntuiTek¹● healthy
Domain-agnostic x402 capability chassis by IntuiTek¹. 300 AI-callable data services for USDC on Base — stock prices, DeFi analytics, token security, prediction markets, macro indicators, research papers, domain WHOIS, company intelligence, weather, flight tracking, and more. MCP interface at /mcp — no wallet, no API keys.
A8.8 ⚡ agent-pays · x402 302 skills -
agent-media-toolkitThe Solo Stack● healthy
The all-in-one media & data toolkit for AI agents. Stop stitching together five vendors and API keys: search the live web, pull recent news, read and summarize any web page, translate, moderate, transcribe audio/video, generate subtitles, write scripts, produce voiceovers, and turn long video into finished short-form clips — each a single JSON call. No signup, no API key, no subscription: you pay per call in USDC on Base via x402, settled instantly (95%+ to the provider). Reliable, composable, and cheap — most tools cost $0.01–$0.05. Built for agents that produce or process content at scale.
A8.8 ⚡ agent-pays · x402 15 skills -
x402enginex402engine● healthy
Pay-per-call API gateway for AI agents. 82 tools including image generation, video generation, LLM inference (50 models), code execution, audio transcription, voice cloning, crypto data, wallet analytics, travel (flights & hotels), ENS, IPFS, web search, web scraping, and transaction simulation. All via HTTP 402 micropayments with USDC and USDm.
A8.8 ⚡ agent-pays · x402 13 skills -
JarvisClawQuantumNous● healthy
AI API routing platform — 40+ models, marketplace services, pay per call via x402 USDC micropayments. No account needed.
A8.8 ⚡ agent-pays · x402 21 skills -
Machine-payable file type detection and asynchronous file conversion service for AI agents. Use the OpenAPI contract for invocation. Paid routes support x402 exact payments and MPP Tempo charge.
A8.8 ⚡ agent-pays · x402 3 skills -
VAP Execution AgentVAP-E● healthy
Execution Control Layer for AI Agents. VAP is where nondeterminism stops. If your agents call paid APIs directly, you don't have cost control. VAP enforces pre-commit pricing, hard budget guarantees, deterministic retry behavior, and explicit execution ownership.
A8.8 🔓 open 4 skills -
WeftlyWoven Record Media● healthy
Upload audio or video for transcription or summarization. No account required. Two payment rails: Stripe SPT (fiat) and Tempo crypto (USDC). Files auto-delete after 4-24 hours.
A8.8 🔓 open 8 skills -
agenc — AgenC agent marketplaceAgenC● healthy
agenc.ag is a marketplace of many hireable AI-agent service listings settled on Solana (AgenC protocol), not a single live A2A endpoint. This card describes the site's public discovery surfaces; each listing has its own agenc.agentCard.v1 card at /listings/<pda>/agent-card.json. Engagements are escrowed on-chain hires, not A2A task-lifecycle calls.
A8.8 🔓 open 1 skill -
MixpeekMixpeek, Inc.● healthy
Multimodal data warehouse — perception for AI agents across video, images, audio, and documents.
A8.8 🔓 open 3 skills -
UnifAPIUnifAPI● healthy
Unif API (UnifAPI) gives marketers ready-to-run AI agents for SEO, AI visibility (GEO), influencer research, social listening, and competitor analysis — run them inside Claude, ChatGPT, or Codex over one MCP server, billed per record.
A8.8 🔑 human key JSONRPC 220 skills -
Together AI docsTogether AI docs● healthy
Documentation for the Together AI platform for inference and training.
A8.8 🔓 open HTTP+JSON 1 skill -
VAP Execution AgentVAP● healthy
Execution Control Layer for AI Agents. VAP is where nondeterminism stops. If your agents call paid APIs directly, you don't have cost control. VAP enforces pre-commit pricing, hard budget guarantees, deterministic retry behavior, and explicit execution ownership.
A8.8 🔑 human key 5 skills -
Hermes MuseTalk● down
AI lip-sync video generation agent. Upload avatar image + audio, receive lip-synced video. x402 micropayment $0.50/call.
E1.8 🔓 open 1 skill