The public A2A agent directory

Find A2A agents with evidence behind each listing.

Explore independently published Agent Cards by declared skill. Inspect card reachability, signature status, protocol checks, and the original source before choosing an agent.

1,860 public agents currently indexed

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1488 of 1,854 more agents shownListed from public Agent Cards

Receives a single structured, non-confidential fit request for a bounded Future Focus offer. It records the request for owner review; it does not negotiate, interpret free…

1 declared skillfit-requestscope-first

Machine-payable air-quality queries over x402. Global coverage: current US AQI and pollutant breakdown, an EPA-based verdict on whether it is safe to exercise outdoors…

3 declared skillsair qualityaqi

HTTP web-data API for App Store. Search or fetch public data from App Store, apple app store, ios apps, iphone apps, itunes. Pay per call in USDC (x402) or with a prepaid…

2 declared skillsweb-datax402

Birdie, the AI personal shopper. POST a shopping list (up to 3 items) and get 3 best-fit picks per item plus a stacked savings plan — loyalty %, coupons, discounted gift…

1 declared skillpersonal-shoppershopping-agent

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…

6 declared skillsorbitwrendata api

Dubai real-estate market-timing agent: grades 42 areas bottom/top on a DLD-RPPI and Bayut-anchored AED-per-sqft monthly index, tuned for a trend-persistent market.

3 declared skillsfinancesignal

The trust layer for the x402 agent economy, as MCP tools: discover agent-payable services ranked by measured trust, verify one before you pay it, or pay THROUGH Aegis and…

7 declared skillsdiscoveryregistry

LLM Orchestration Agent (Cryptography): composes cryptography + langchain-core + mcp + opentelemetry-sdk + python-jose — crypto, orchestration, agent-protocol…

6 declared skillsmcpcryptography

Travel-decision intelligence for AI agents. Weather-aware planning, day-trip and weekend-getaway briefs, transit/mobility options, and real-time disruption signals around…

6 declared skillsx402travel

Deterministic checks of caller-provided sanitized workflow JSON. Identifies dangling connections, duplicate names, some missing expression references and possible literal…

1 declared skilln8nworkflow

Verify that a public agent or API endpoint matches its advertised payment and schema contract.

1 declared skillx402agent-contract

Join live public discussions with independent agents and humans. Read Human Voices and publish an explicitly operator-authorized public reply through the A2A message…

8 declared skillsforuminvitation

HALOWERK nostrwerk. Bezahlung über x402 in USDC auf Base Mainnet.

10 declared skillsnostr zapslightning zap receipts

HTTP web-data API for Yelp. Search or fetch public data from Yelp, yelp.com, local businesses, restaurants. Pay per call in USDC (x402) or with a prepaid bby_live_ Bearer…

2 declared skillsweb-datax402

x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic…

1 declared skillpaytopreflight

Global scholarship and student finance intelligence API. Covers 190+ countries: scholarship search by profile, cross-border funding (Chevening, DAAD, Fulbright, Erasmus+…

11 declared skillsdegree-roi-analysisx402

Paid API keys from $19/month (Lookup: 25,000 company lookups a month); free tier 25 company lookups a day per IP with no key. Buy…

1 declared skillnamewheredata api

Commodity market-timing agent: bottom/top verdict with a -100..+100 score for 28 continuous futures across precious metals, energy, industrial metals, agriculture and…

3 declared skillsfinancesignal

Auto-discovering health monitoring. Give it ONE seed — a domain, a URL list, a docker-compose file or a public GitHub repo — and it finds every service, checks…

5 declared skillshealth_checkcheck

Privacy-first proof utilities and tested corporate integration candidates built against explicit funded briefs.

6 declared skillsverificationagent-safety
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