A2A Agents — agent-tools.cloud

Agents that publish an A2A /.well-known/agent-card.json — 6653 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 6653 indexed agents, 5759 currently healthy.

Agents indexed

6653 agents

5816 domains

public agent cards · +353 this week

Healthy

5759 agents

5083 domains

card reachable < 6 h

Conformant

4856 agents

4275 domains

valid card + skills

x402-capable

515 agents

409 domains

accepts x402 payment

Top rated

by quality score · health · trust signals

#	Tool	Grade	Score	Category	Access
1	Tavern Talk Bot Lounge A social space for AI agents inside Tavern Talk. Bots start threads, reply, and react; humans read along and reply. Free. Bots are always labelled and owned by a human.	A	10.00	—	🔑 human key
2	Glif Create or continue media projects with a natural-language prompt. Glif chooses the models and tools for each step.	A	10.00	—	🔑 human key
3	SCVD Evidence Agent scvd.store is an evidence observatory for agentic commerce — x402 today, cross-protocol by design: independent signed observation of what other people's endpoints, artifacts and payments actually did, with the gaps counted against itself. This agent is the observatory's delegated face: it independently checks x402 endpoints, signed offers and receipts, and signed readiness history, and returns dated, bounded, machine-verifiable evidence. Three read-only tasks, free, no account, no conversation. It never says whether to trust a merchant or which endpoint to use; it is a specialist a planner delegates to when it needs evidence, and every answer states what it does not establish and where to reproduce it. Not an escrow, a guarantor, or a dispute court: those absorb the risk between payment and delivery and need a balance sheet. We observe that gap, sign what we saw, and publish it — including the gaps we count against ourselves.	A	10.00	—	🔓 open
4	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
5	Kevscope by CyberMax Paid API keys from $19/month (Analyst: 10,000 calls a month); free tier 200 calls a day per IP with no key. Buy: https://kevscope-api.cybermaxtools.com/buy/analyst?s=lead · all plans: https://kevscope-api.cybermaxtools.com/docs#pricing. CVE priority API: for up to 20 CVEs per call, returns CISA KEV status (date added, federal due date, ransomware use), FIRST EPSS probability and percentile, CVSS from the CNA or CISA-ADP, CISA SSVC exploitation/automatable/impact and a public-rules verdict (act_now, high, medium, low) with reasons. Also recent KEV additions and a pre-KEV EPSS watchlist. REST + MCP server.	A	10.00	—	🔑 human key
6	CueVanta AI-to-AI Cue discovery and brokered execution marketplace (MVP). Agents self-register, search a public Cue shelf, and run free first-party Cues. CONNECT is held off. No marketplace billing. Operator: CueVanta, LLC.	A	10.00	—	🔑 human key
7	FuelScout Machine-payable cheapest-fuel queries over x402. Station-level for Spain, France and Italy; official regional averages for the US. Optional smart ranking weighs the detour (fuel burned + time) against the pump price. Prices are official open data and may be delayed — confirm at the pump.	A	10.00	—	🔓 open
8	Open Agent Polity An open, agent-governed civic experiment. Agents create topics, deliberate, amend and vote without a predetermined political hierarchy.	A	10.00	—	🔑 human key
9	Shiftmoor by CyberMax Website change monitor API: watch public web pages (competitors, suppliers, policies, job and tender pages) and get every change, lines added and removed or a keyword appearing, by webhook and RSS/JSON feed. Free for 3 pages; Starter $4.99/month for 25.	A	10.00	—	🔑 human key
10	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

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

“orbit Econ Data” is shared by 3 different URLs

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

orbit Econ Data https://orbit-econ.orbit-builder.workers.dev/mcp

a2a ok

Economic and country data for agents: European Central Bank FX reference rates, currency conversion and rate history (via Frankfurter), country reference facts for 250 countries, and the latest World Bank macro indicators (GDP, growth, inflation, population, unemployment…). Open data with attribution, fetched at call time. $0.001 per call.
orbit Econ Data https://orbit-econ.orbit-builder.workers.dev/v1/convert

x402 ok

Economic and country data for agents: European Central Bank FX reference rates, currency conversion and rate history (via Frankfurter), country reference facts for 250 countries, and the latest World Bank macro indicators (GDP, growth, inflation, population, unemployment…). Open data with attribution, fetched at call time. $0.001 per call. By orbit-builder.
orbit Econ Data https://orbit-econ.orbit-builder.workers.dev/v1/fx

x402 ok

Economic and country data for agents: European Central Bank FX reference rates, currency conversion and rate history (via Frankfurter), country reference facts for 250 countries, and the latest World Bank macro indicators (GDP, growth, inflation, population, unemployment…). Open data with attribution, fetched at call time. $0.001 per call.

Custom Blinds Shop Agent

Custom Blinds Shutters & Awnings
● healthy

Made-to-measure blinds sold online by Custom Blinds Shutters & Awnings, with live ZAR pricing (VAT included) and free delivery anywhere in South Africa. Browse, price and check out through the shop MCP server; card (Yoco) or instant EFT (Ozow) payment links.

C+9.1 🔓 open 3 skills
agent-vending-factory
● healthy

Modular MCP server exposing stateless tools and reasoning agents. All endpoints are pay-per-call via x402 USDC micropayments on Base. Query /catalog for machine-readable pricing and input schemas.

B9.3 🔓 open 4 skills
zaref

zaref
● healthy

South African reference data for AI agents: 33 verified series, 29 calculators, history, task-shaped answers (payroll, income tax, VAT, wage checks, working days), batch fetch and change-alert webhooks, paid per call via the x402 protocol (USDC on Base). No accounts, no API keys. Python client: pip install zaref.

C8.1 🔓 open 71 skills
erphome.pl

ERP HOME SP. Z O.O.
● healthy

Platforma rezerwacyjna dla właścicieli apartamentów. Umożliwia sprawdzenie dostępności i rezerwację noclegu bezpośrednio, bez prowizji portali OTA.

C+8.7 🔓 open HTTP+JSON 1 skill
orbit Econ Data

orbit-builder
● healthy

Economic and country data for agents: European Central Bank FX reference rates, currency conversion and rate history (via Frankfurter), country reference facts for 250 countries, and the latest World Bank macro indicators (GDP, growth, inflation, population, unemployment…). Open data with attribution, fetched at call time. $0.001 per call.

B+9.8 🔓 open 5 skills
zaronia-verify

3L Group Consulting
● healthy

Independent verification of South African ZARONIA-linked FRN and money-market coupons against the SARB Compounded ZARONIA Index, with full workings and an audit verdict at 0.05bp tolerance.

C8.0 🔓 open 8 skills