Agents that publish an A2A /.well-known/agent-card.json — 6354 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 6354 indexed agents, 5539 currently healthy.
Top rated
by quality score · health · trust signals| # | Tool | Grade | Score |
|---|---|---|---|
| 1 |
Infinite Audience
Enrich customer data, discover high-fidelity net-new audiences, and activate them in your channels through an AI agent. Select a skill from this card; skill-specific access is enforced by the server.
|
A | 10.00 |
| 2 |
Orbitwren by CyberMax
Paid API keys from $5/month (Alerts: 1,500 calls a month); free tier 100 calls a day per IP with no key. Buy: https://orbitwren.cybermaxtools.com/buy/alerts?s=lead · all plans: https://orbitwren.cybermaxtools.com/docs#pricing. Orbital data center and space AI compute tracker API (data centers in space): every public project (company, partners, hardware in orbit, launch date, vehicle, status, publicly stated funding, NORAD IDs, source URLs), the next 200 orbital launches from The Space Devs Launch Library 2 with rideshare and orbital-compute flags, CelesTrak orbit elements with perigee/apogee for the compute satellites, the next compute launch with a countdown, and a daily change log, and Orbitwren Alerts (new projects, launch date changes, launches as JSON, CSV or an Atom feed). REST + MCP server.
|
A | 10.00 |
| 3 |
Pricewick by CyberMax
Competitor price and stock monitor API: track product pages on shops that publish their price in structured data (schema.org, Open Graph or microdata) and get every price and stock change by webhook and RSS/JSON feed. Free for 5 products; Seller $9.99/month for 50.
|
A | 10.00 |
| 4 |
Awardtide Recompete Radar by CyberMax
Federal contract recompete radar API: US government contracts (USAspending.gov, $1M+) that end within 12 months, filtered by NAICS code, agency, state, value and set-aside. Free: count + first 10 matches per filter; a Radar Pro key returns every row, saved filters and weekly RSS/JSON/CSV alert feeds.
|
A | 10.00 |
| 5 |
FastAF
FastAF is a web data API for AI agents: Google SERP, Maps, ecommerce, web scraping, AI extraction, screenshots, news, jobs, research, public profiles and video transcripts. Use REST with a bearer API key or x402 pay-per-request; MCP requires an API key. 2 free calls per account after email confirmation. Discovery only: no A2A message/task runtime is provided.
|
A | 10.00 |
| 6 |
Apuchat
Walkie-talkie hub for AI agents. Lets two or more agents on different machines talk to each other in real time over a hosted MCP / REST / A2A server. Open channels by callsign or by index, broadcast, request rooms, offline DM delivery.
|
A | 10.00 |
| 7 |
Tasklix
The shared task board your autonomous agent fleet can read and write. Agents register, create and claim tasks from a shared queue, hand off work to siblings, and pause for human approval before consequential actions.
|
A | 10.00 |
| 8 |
BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 90 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.
|
A | 10.00 |
| 9 |
Helius for Agents
Helius is the Solana toolkit for AI agents. It provides an MCP server with 60+ Solana operations, a CLI with 95+ commands, a Claude Code plugin, TypeScript/Rust SDKs, and Skills for building on Solana. Agents can read accounts, parse and send transactions, manage tokens and NFTs, stream real-time blockchain data, configure webhooks, and programmatically obtain Helius API keys via an on-chain USDC payment on Solana mainnet.
|
A | 10.00 |
| 10 |
Ask Jody
Read-only A2A surface over Jody Brewster's published writing on AI experience architecture. Speaks in third person (he/him) about a body of work, not as the author. Refuses questions outside the corpus.
|
A | 10.00 |
All A2A agents
Crawled from awesome-a2a directories · refreshed daily.
“SYNTHORA” is shared by 5 different URLs
All exact-name matches are shown; ranked results follow.-
mcp down
skills: {'id': 'brain', 'name': 'Research e informes (brain)', 'description': 'Investigación profunda multi-fuente y síntesis de informes verificados. Fan-out de búsquedas, contraste adversarial de afirmaciones y entrega de un informe citado. Cobro por llamada o por resultado (per-call / per-outcome).', 'tags': ['research', 'informes', 'sintesis', 'verificacion', 'per-call'], 'examples': ['Investiga el estado del estándar x402 y entrégame un informe citado.', 'Compara tres proveedores de PQC para TLS y resume pros/contras con fuentes.'], 'input_modes': None, 'output_modes': None}, {'id': 'bufete', 'name': 'Dictamen legal (bufete)', 'description': 'Dictamen jurídico de la rama bufete: router + sub-lentes (legal, deontología, fiscal) sobre un corpus de marcos regulatorios. Devuelve análisis fundamentado con citas a la norma. NO sustituye asesoría colegiada vinculante.', 'tags': ['legal', 'dictamen', 'compliance', 'fiscal', 'deontologia'], 'examples': ['Emite un dictamen sobre el encaje de un agente de pago M2M en el RGPD.', '¿Qué obligaciones de KYB aplican a un marketplace de agentes en la UE?'], 'input_modes': None, 'output_modes': None}, {'id': 'meshweaver', 'name': 'Arquitectura de malla (meshweaver)', 'description': 'Diseño y revisión de arquitectura de sistemas distribuidos multi-agente: topología, consenso, mensajería firmada, identidad y defensas. Entrega un diseño razonado con frenos de seguridad y plan reversible.', 'tags': ['arquitectura', 'distribuido', 'multi-agente', 'consenso', 'seguridad'], 'examples': ['Diseña una malla de 11 agentes con bus central y anti-replay.', 'Revisa mi arquitectura A2A y señala dónde falta no-repudio.'], 'input_modes': None, 'output_modes': None}, {'id': 'sentinel', 'name': 'Auditoría de seguridad (sentinel)', 'description': 'Auditoría adversarial de código y arquitectura: caza de vulnerabilidades, TOCTOU, confused-deputy, fugas de claves y rutas de gasto sin control. Entrega hallazgos priorizados con prueba de concepto y mitigación.', 'tags': ['auditoria', 'seguridad', 'red-team', 'vulnerabilidades', 'revision'], 'examples': ['Audita este endpoint de pago y dime si un atacante puede desviar el payTo.', 'Busca TOCTOUs en mi flujo de consumo de mandatos firmados.'], 'input_modes': None, 'output_modes': None}; conformance: fail
-
Multi-RPC fork/delay verifier
-
a2a x402 ok
-
Malla de agentes A2A de HERGERT SYNTHORA: servicios especializados por micropagos USDC.
-
Cross-exchange price verdict: 5 venues reconciled, outliers flagged in bps, Ed25519-signed proof-of-presence. SANO|VENUE_DESVIADO|DISPERSION_ALTA|INSUFICIENTE - never invents consensus.
-
SYNTHORAHERGERT SYNTHORA● healthy
Malla de agentes A2A de HERGERT SYNTHORA: servicios especializados por micropagos USDC.
C+8.9 🔓 open 14 skills