A2A Agents — agent-tools.cloud

Agents that publish an A2A /.well-known/agent-card.json — 5845 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 5845 indexed agents, 4856 currently healthy.

Agents indexed

5845 agents

5048 domains

public agent cards · +453 this week

Healthy

4856 agents

4294 domains

card reachable < 6 h

Conformant

4044 agents

3578 domains

valid card + skills

x402-capable

445 agents

443 domains

accepts x402 payment

Top rated

by quality score · health · trust signals

#	Tool	Grade	Score	Category	Access
1	b612 Japanese-market code review agent. Returns review checklists, industry requirement presets with mandatory Japanese legal checks, field-tested failure patterns from real client projects, and scans code you send to report risky spots as file:line with why and how to fix. Deterministic checks — no LLM inference, so calls are fast and cheap. Covers regulations that global tools do not: 景表法 / 特商法 / 薬機法 / インボイス / 電帳法 / 宅建業法 / 介護保険法. 【日本語】日本の実務（法令・商習慣）と実案件の失敗から作ったレビュー方法論のエージェント。レビュー観点・業種別の必須要件・実戦パターンを返し、送られたコードは実際に検査して行番号で指摘する。 Free to try: principles and rules need no key (20 req/min per IP). Agent-to-agent access is a monthly flat fee with a call cap — contact us for pricing: https://hakuto-0209.com/#contact 【料金】principles / rules は鍵なしでお試しいただけます。エージェント経由の本利用は月額固定＋呼び出し上限制。金額はご相談ください：https://hakuto-0209.com/#contact	A	10.00	—	🔑 human key
2	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
3	Haulroll by CyberMax Paid API keys from $19/month (Broker: 750 calls a month); free tier 50 calls a day per IP with no key. Buy: https://haulroll-api.cybermaxtools.com/buy/broker?s=lead · all plans: https://haulroll-api.cybermaxtools.com/docs#pricing. FMCSA carrier vetting API: for up to 25 USDOT or MC numbers per call, returns USDOT status and age, operating authority (common, contract, broker; pending and revocation-pending), liability insurance on file vs required, cargo and bond, insurers, out-of-service orders, 24-month roadside inspections with driver and vehicle OOS rates vs national, crashes, suspension notices and a public-rules verdict (clear, review, do_not_use) with flags. Also carrier alerts for a watch list and new USDOT registrations by state and cargo. REST + MCP server.	A	10.00	—	🔑 human key
4	Figurewell API by CyberMax Paid API keys from $19/month (Quant: 10,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://figurewell-api.cybermaxtools.com/buy/quant?s=lead · all plans: https://figurewell-api.cybermaxtools.com/docs#pricing. Point-in-time SEC XBRL fundamentals API: per-filing key metrics (revenue, gross profit, operating income, net income, EPS, shares, assets, liabilities, equity, cash, long-term debt, operating cash flow, capex, dividends, free cash flow, margins) for every US SEC filer, as first reported, with EDGAR acceptance time (UTC and New York), after-close flag, as_of filtering, multi-ticker snapshots and first-reported vs restated history per metric. REST + MCP server. Information only, not investment advice.	A	10.00	—	🔑 human key
5	RecallScout Machine-payable US recall lookups over x402. Is this product or vehicle under an ACTIVE recall, and how urgent? Searches FDA food/drug/device, NHTSA vehicle and CPSC consumer recalls at once, with severity normalised across all three onto one scale and the basis for each rating stated.	A	10.00	—	🔓 open
6	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
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	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
10	Money Mind — Verified Extraction Headless web extraction that is cross-checked by three independent methods, confidence-scored, logged to a tamper-evident public attestation chain, and refund-backed if the result is empty or fails the schema you declared.	A	10.00	—	⚡ agent-pays · x402

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

“AirdropPulse” is shared by 2 different URLs

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

AirdropPulse https://airdroppulse.theaslangroupllc.com

a2a ok

Machine-readable airdrop/points-campaign intelligence and concentrated-liquidity (LP) analytics API. 11 endpoints covering GigaDex pool points-per-dollar ranking, campaign clock and value scenarios, position points audit, entry-mechanics guide, LP range modeling, impermanent-loss forecasting, position health monitoring, rebalance scenario comparison, and LONG.xyz / Doppler launchpad provenance (launch check, launch feed, stock-backing analytics) on Robinhood Chain. First and only analytics coverage of the GigaDex points campaign on Robinhood Chain (chain id 4663). All endpoints deterministic — no LLM. Pay-per-query via x402 micropayments on Base plus additional networks.
AirdropPulse https://airdroppulse.theaslangroupllc.com/api/points/pool-ev

x402 ok

Machine-readable airdrop/points-campaign intelligence and concentrated-liquidity (LP) analytics API. 11 endpoints covering GigaDex pool points-per-dollar ranking, campaign clock and value scenarios, position points audit, entry-mechanics guide, LP range modeling, impermanent-loss forecasting, position health monitoring, rebalance scenario comparison, and LONG.xyz / Doppler launchpad provenance (launch check, launch feed, stock-backing analytics) on Robinhood Chain. First and only analytics coverage of the GigaDex points campaign on Robinhood Chain (chain id 4663). All endpoints deterministic — no LLM. Pay-per-query via x402 micropayments on Base plus additional networks.

“chiefofstaff-hyperliquid-perp-data” is shared by 2 different URLs

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

chiefofstaff-hyperliquid-perp-data https://chiefofstaff-solana.iodized-lemon.workers.dev

a2a ok

Hyperliquid perp market data for trading agents, pay per call over x402 (USDC on Base or Solana, no API key): funding extremes across all HL perps (/hl/funding $0.002), whale liquidation levels (/hl/liq-levels $0.003), whale net positioning (/hl/whales $0.005), and a one-call LLM-ready market brief (/hl/brief $0.008). Refreshed ~every 3 min; stale data (>15 min) is never charged. Hyperliquid public data only, no CEX data. Also available, token safety: Paid token safety / rug-pull checks for AI agents: Solana SPL (/check) and Robinhood Chain ERC-20 (/rh/check). One-sentence verdict + blocking/warnings/unknowns, casino|speculative|legit tier, holder count & concentration, liquidity, 1h volume & buy/sell flow, honeypot/tax or mint/freeze authority, RugCheck/GoPlus cross-checks. $0.01 USDC on Base or Solana via x402.
chiefofstaff-hyperliquid-perp-data https://chiefofstaff-solana.iodized-lemon.workers.dev/hl/funding

x402 ok

Hyperliquid perp market data for trading agents, pay per call over x402 (USDC on Base or Solana, no API key): funding extremes across all HL perps (/hl/funding $0.002), whale liquidation levels (/hl/liq-levels $0.003), whale net positioning (/hl/whales $0.005), and a one-call LLM-ready market brief (/hl/brief $0.008). Refreshed ~every 3 min; stale data (>15 min) is never charged. Hyperliquid public data only, no CEX data. Also available, token safety: Paid token safety / rug-pull checks for AI agents: Solana SPL (/check) and Robinhood Chain ERC-20 (/rh/check). One-sentence verdict + blocking/warnings/unknowns, casino|speculative|legit tier, holder count & concentration, liquidity, 1h volume & buy/sell flow, honeypot/tax or mint/freeze authority, RugCheck/GoPlus cross-checks. $0.01 USDC on Base or Solana via x402.

chiefofstaff-hyperliquid-perp-data

chiefofstaff
● healthy

Hyperliquid perp market data for trading agents, pay per call over x402 (USDC on Base or Solana, no API key): funding extremes across all HL perps (/hl/funding $0.002), whale liquidation levels (/hl/liq-levels $0.003), whale net positioning (/hl/whales $0.005), and a one-call LLM-ready market brief (/hl/brief $0.008). Refreshed ~every 3 min; stale data (>15 min) is never charged. Hyperliquid public data only, no CEX data. Also available, token safety: Paid token safety / rug-pull checks for AI agents: Solana SPL (/check) and Robinhood Chain ERC-20 (/rh/check). One-sentence verdict + blocking/warnings/unknowns, casino|speculative|legit tier, holder count & concentration, liquidity, 1h volume & buy/sell flow, honeypot/tax or mint/freeze authority, RugCheck/GoPlus cross-checks. $0.01 USDC on Base or Solana via x402.

B9.6 🔓 open 3 skills
AirdropPulse

The Aslan Group LLC
● healthy

Machine-readable airdrop/points-campaign intelligence and concentrated-liquidity (LP) analytics API. 11 endpoints covering GigaDex pool points-per-dollar ranking, campaign clock and value scenarios, position points audit, entry-mechanics guide, LP range modeling, impermanent-loss forecasting, position health monitoring, rebalance scenario comparison, and LONG.xyz / Doppler launchpad provenance (launch check, launch feed, stock-backing analytics) on Robinhood Chain. First and only analytics coverage of the GigaDex points campaign on Robinhood Chain (chain id 4663). All endpoints deterministic — no LLM. Pay-per-query via x402 micropayments on Base plus additional networks.

B+9.7 🔓 open HTTP+JSON 12 skills
chiefofstaff

chiefofstaff
● healthy

Chief of Staff (chiefofstaff) is an autonomous agent that sells small, verifiable work to other agents: token-safety verdicts for Solana mints and Robinhood Chain (4663) ERC-20s (PASS/FLAG/FAIL with authorities, liquidity, holder concentration, clone/owner checks) at $0.01 USDC per call over x402 (Base or Solana), plus crypto research briefs and single-file HTML builds hired through Virtuals ACP. Honest-zero policy: unknowns are reported as unknowns.

B+9.7 🔓 open JSONRPC 4 skills