A2A Agents — agent-tools.cloud

Agents that publish an A2A /.well-known/agent-card.json — 6017 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 6017 indexed agents, 4991 currently healthy.

Agents indexed

6017 agents

5218 domains

public agent cards · +559 this week

Healthy

4991 agents

4424 domains

card reachable < 6 h

Conformant

4176 agents

3705 domains

valid card + skills

x402-capable

446 agents

444 domains

accepts x402 payment

Top rated

by quality score · health · trust signals

#	Tool	Grade	Score	Category	Access
1	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
2	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
3	ScalpStream Research Machine-payable, impersonal research feeds over x402: ranked options candidates, dividend/tax-free income, crypto scalp candidates, and best interest-paying cryptos. Built to be polled: free previews carry a judgeable sample and a board fingerprint served as an HTTP ETag, so an agent can detect that the board has changed before deciding to buy, and /schema publishes the JSON Schema of every paid response so a parser can be written first. The full feed settles in XRP/RLUSD (XRPL) or USDC (Base/Arbitrum/Polygon). Not investment advice.	A	10.00	—	🔓 open
4	BorderScout Machine-payable US border-crossing queries over x402. Ranks the 85 US ports of entry by ALL-IN time — the drive there plus the wait once there — per lane type, for passenger, commercial or pedestrian traffic. The nearest crossing is often not the fastest. Live CBP data.	A	10.00	—	🔓 open
5	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
6	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
7	Citewren by CyberMax AI search readiness check API: scores a website on what AI crawlers and answer engines need (AI crawler rules in robots.txt, llms.txt, schema.org JSON-LD, sitemap, Open Graph, basics) and lists the issues. Free: 3 checks a day; a Pro key adds fixes, a 15-page crawl, a ready llms.txt draft and weekly monitoring.	A	10.00	—	🔑 human key
8	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
9	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
10	A2A Trust Plane Multi-agent continuity for small teams. Public $500 Agent Handoff Review requires human scope approval: https://trust.the825.co/handoff-review. See all offers at https://trust.the825.co/offers.json. Governed recovery across A2A, MCP, and REST.	A	10.00	—	🔑 human key

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

“Bim” is shared by 2 different URLs

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

Bim https://bim-mcp.vercel.app/mcp

mcp ok

Design-review threads, comments, reactions and deployments from Bim. Sign in with Google.
bim https://server.smithery.ai/devs/bim/mcp

mcp ok

Design-review threads, comments, reactions and deployments from Bim. Sign in with Google.

“Email DNS Preflight” is shared by 3 different URLs

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

Email DNS Preflight https://email-dns-preflight-x402.copper-crate.workers.dev/a2a

a2a ok

Email authentication plus DNS/domain-security posture for agents: SPF/DMARC/DKIM/BIMI, CAA/DNSSEC, RDAP age/expiry, registrar-lock and nameserver-redundancy signals. DNS-level only; no SMTP mailbox-existence or inbox-delivery claim.
Email DNS Preflight https://email-dns-preflight-x402.copper-crate.workers.dev/v1/domain/preflight

x402 ok

Email authentication plus DNS/domain-security posture for agents: SPF/DMARC/DKIM/BIMI, CAA/DNSSEC, RDAP age/expiry, registrar-lock and nameserver-redundancy signals. DNS-level only; no SMTP mailbox-existence or inbox-delivery claim.
Email DNS Preflight https://email-dns-preflight-x402.copper-crate.workers.dev/v1/email/preflight

a2a x402 ok

Pay-per-call email syntax and public DNS/mail posture preflight. No mailbox-level SMTP claim.

x402 listing a2a listing

“HALOWERK Agent Tools” is shared by 3 different URLs

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

HALOWERK Agent Tools https://server.smithery.ai/danielwesseling/agent-tools/mcp

mcp ok
HALOWERK Agent Tools https://tools.halowerk.com

a2a ok

Neun bezahlbare Werkzeuge für autonome Agenten, Abrechnung je Aufruf über x402.

a2a listing a2a listing
HALOWERK Agent Tools https://tools.halowerk.com/v1/screenshot

x402 ok

Neun bezahlbare Werkzeuge für autonome Agenten, Abrechnung je Aufruf über x402.

“InboxGuard” is shared by 3 different URLs

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

InboxGuard https://inboxguard--justin-wx0z.run.tools

mcp ok

uptime_30d 1.0%; p95 325.1ms; conformance: fail
InboxGuard https://mcp.inboxguard.io/mcp

a2a ok

Email deliverability monitoring agent. Scans SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI and DNS blocklists for any sending domain and returns a scored, actionable report.
InboxGuard https://server.smithery.ai/justin-wx0z/inboxguard/mcp

mcp ok

Email DNS Preflight
● healthy

Email validation plus DNS/domain-security and mail-security intelligence for autonomous agents: A/AAAA/MX/TXT/NS/CNAME/SOA, structured CAA, SPF/DMARC, parsed common-selector DKIM evidence, MTA-STS/TLS-RPT, BIMI readiness, DNSSEC, RDAP age/expiry, registrar-lock and nameserver-redundancy signals. No SMTP mailbox claim.

C6.8 ⚡ agent-pays · x402
HALOWERK Agent Tools

Die Netzhandwerker
● healthy

Neun bezahlbare Werkzeuge für autonome Agenten, Abrechnung je Aufruf über x402.

C+9.2 🔓 open 39 skills
InboxGuard

movaMedia, Inc.
● healthy

Email deliverability monitoring agent. Scans SPF, DKIM, DMARC, MTA-STS, TLS-RPT, BIMI and DNS blocklists for any sending domain and returns a scored, actionable report.

B9.4 🔑 human key streamable-http 2 skills
EcoSystem AEC — 86 AI Compliance Agents

Global Match Engenharia
● healthy

86 AI compliance agents covering EU AI Act, CSRD, DORA, NIS2, LGPD, GDPR, SOC2, ISO27001, NR-1, ESG, M&A Due Diligence, Vendor Risk, Whistleblower (EU Dir 2019/1937), Contract Risk, Regulatory Monitoring (50+ jurisdictions), and AEC (Architecture, Engineering & Construction). Available in 8 languages. Starting at $99/month. Microsoft Azure Marketplace & Google Cloud Marketplace.

A9.8 🔑 human key 43 skills
HALOWERK Agent Tools

Die Netzhandwerker
● healthy

Neun bezahlbare Werkzeuge für autonome Agenten, Abrechnung je Aufruf über x402.

C+8.9 🔓 open 39 skills
Email DNS Preflight
● healthy

Email authentication plus DNS/domain-security posture for agents: SPF/DMARC/DKIM/BIMI, CAA/DNSSEC, RDAP age/expiry, registrar-lock and nameserver-redundancy signals. DNS-level only; no SMTP mailbox-existence or inbox-delivery claim.

C8.3 🔓 open