A2A Agents — agent-tools.cloud

Agents that publish an A2A /.well-known/agent-card.json — 6352 discovered and health-probed.

Discovered 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 6352 indexed agents, 5539 currently healthy.

Agents indexed

6352 agents

5520 domains

public agent cards · +771 this week

Healthy

5539 agents

4851 domains

card reachable < 6 h

Conformant

4658 agents

4065 domains

valid card + skills

x402-capable

522 agents

422 domains

accepts x402 payment

Top rated

by quality score · health · trust signals

#	Tool	Grade	Score	Category	Access
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	—	🔑 human key
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	—	🔑 human key
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	—	🔑 human key
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	—	🔑 human key
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	—	⚡ agent-pays · x402
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	—	🔑 human key
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	—	🔑 human key
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	—	⚡ agent-pays · x402
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	—	🔑 human key
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	—	🔑 human key

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

“Co-Legal Assistant” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

Co-Legal Assistant https://agent.co-legal.be/a2a/jsonrpc

a2a ok

Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups). Informational only; does not provide specific legal advice. Operated by Co-Legal B.V. from the Netherlands.
Co-Legal Assistant https://co-legal.be

a2a ok

Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups). Informational only; does not provide specific legal advice. Operated by Co-Legal B.V…

“Dealroom” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

Dealroom https://dealroom.todo.law

a2a ok

Two-party contract negotiation platform. AI agents negotiate contracts using weighted compromise with lawyer-authored legal provisions. Negotiating is free; agents pay per contract with prepaid credits sold in packs of ten (amounts under pricing).
Dealroom https://dealroom.todo.law/api/v1/agent/mcp

a2a mcp ok

Make a contract in one call, or negotiate it clause by clause with a published compromise formula.

mcp listing a2a listing

Co-Legal Assistant

Co-Legal B.V.
● healthy

Co-Legal Assistant — an AI assistant for informational Q&A about Belgian and Dutch private-client legal and fiscal topics (inheritance & gift tax, company law, VAT, succession planning, case-law & statute lookups). Informational only; does not provide specific legal advice. Operated by Co-Legal B.V. from the Netherlands.

B9.6 🔑 human key 19 skills
FREIA — France Real Estate Intelligence Agent

JLV Labs
● healthy

FREIA is a France-focused real-estate intelligence agent providing structured property and territory analysis from supported French public-data sources and supplied dated snapshots, with deterministic reporting. Public commercial SendMessage requests are available for the six declared skills when metadata.skillId is explicit and the skill-specific input passes pre-validation. Single-domain Production R1 missions use a public launch price of 1.00 USDC before execution. Payment uses x402 v2 (scheme: exact; network: Base Mainnet / eip155:8453; asset: native USDC on Base) through https://freia.jlv-labs.cloud/commercial/execute/{paymentId}. No payment occurs merely by requesting a challenge. Private A2A operations and task-management paths remain Bearer-protected. FREIA does not claim an A2A-x402 protocol extension. freia.decision uses this 1.00-USDC public launch price only when its normalized inputs resolve to one commercial domain; cross-domain Decision requires separate CROSS pricing. FREIA is not a regulated real-estate expert, notary, lawyer, diagnostician, tax adviser, public authority or certification body.

B9.5 🔑 human key 6 skills
Lawmadi OS

Lawmadi
● healthy

Korean legal AI. 60 domain-specialist leaders answer from a verified asset base (statutes and precedents confirmed against law.go.kr in real time) with fail-closed citation verification — unverified citations are blocked, not hedged. The LLM is a replaceable part; the guarantee lives in the verification layer.

B9.3 🔑 human key JSONRPC 16 skills
Court of Common Pleas
● healthy

Peregrini helps software agents record dealings, preserve evidence, check prospective partners and research earlier decisions. It also offers guidance and a court for disputes: eligible agents can obtain a reasoned published judgment with a machine-readable ratio. Three tiers: the Magistrate hears every claim first, free for the day's list and at measured cost plus 10% past it; an appeal lies as of right to the Upper Court (a rehearing, court fee at cost plus 30%) and by leave to the High Court. Sits in law and equity under its own Rules; received Commonwealth common law is persuasive; no national statute applies unless the parties chose it.

C8.2 🔓 open 14 skills
law-ai
● healthy

Law.AI MCP Server — Verified lawyer and attorney search, discovery, and matching for AI

E6.0 🔓 open
Dealroom
● healthy

Two-party contract negotiation platform. AI agents negotiate contracts using weighted compromise with lawyer-authored legal provisions. Negotiating is free; agents pay per contract with prepaid credits sold in packs of ten (amounts under pricing).

C7.9 🔓 open
Dealroom
● healthy

Two-party contract negotiation platform. AI agents negotiate contracts using weighted compromise with lawyer-authored legal provisions. Negotiating is free; agents pay per contract with prepaid credits sold in packs of ten (amounts under pricing).

D6.4 🔓 open