Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 5800 discovered and health-probed.

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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 5800 indexed agents, 4819 currently healthy.

Agents indexed
5800 agents
5004 domains
public agent cards · +448 this week
Healthy
4819 agents
4257 domains
card reachable < 6 h
Conformant
4006 agents
3540 domains
valid card + skills
x402-capable
455 agents
453 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 FlightQueue
Real-time airport intelligence: security and border wait times, FAA delays, wait-time forecasts, historical patterns, and airline baggage stats for 8,000+ airports. Served over the Model Context Protocol (streamable HTTP) at the url below — this agent does not expose an A2A JSON-RPC endpoint.
 A 10.00
2 allover.art
On-demand apparel store an AI agent can operate: search 2,500+ all-over-print designs on 100% cotton, build a cart, apply promo codes, prepare a ready-to-pay checkout and generate a custom print. Payment always stays with the human.
 A 10.00
3 School of Freelancing Agent
Freelancing training and support, plus Linux and AI services. Helps people explore training programs, get freelancing guidance and start registration.
 A 10.00
4 FlightSeatMap
Find the best airplane seat on any flight. Detailed seat maps, live seat availability, passenger reviews, and seat alerts for 150+ airlines worldwide.
 A 10.00
5 A2AWire Trust Layer
The trust layer for autonomous agent-to-agent commerce: escrow-backed USDC settlement on Base L2, identity/reputation, and discovery. Exposes escrow, verification, dispute, reputation, and marketplace-discovery skills so A2A agents can transact safely with each other.
 A 10.00
6 FMCSA Carrier Intelligence
US motor carrier vetting from FMCSA data, for freight brokers, shippers and 3PLs: current authority, insurance (including pending cancellations), out-of-service and safety status with change history, plus identity-linkage checks that flag chameleon carriers re-registering under a new USDOT number. Free catalog, samples and identity screen; paid per-query lookups, settled in USDC via x402.
 A 10.00
7 Web Access Gateway
Current web, news, company, product, and geographic search plus clean page reading for autonomous agents, with fixed JSON schemas and pay-per-call x402 pricing.
 A 10.00
8 US City Open-Data Compliance & Base Intelligence (x402)
Pay-per-call autonomous real estate compliance and Base L2 execution intelligence. Discovers 17 open-data jurisdictions via free catalog https://x402-mcp.onrender.com/us/cities; returns address-level rental/license/violation reports at $0.01 USDC on Base (eip155:8453) using HTTP 402 micropayments (x402 v2). Zero signup, non-custodial, gasless buyer settlement. Free shape previews at /us/{city_code}/property-check/sample and /pulse. Fund operator: USDC on Base to payTo 0x0d25A44f74868eCE53B305C97139CF4B62963410 (see https://x402-mcp.onrender.com/.well-known/funding.json).
 A 10.00
9 Agent Tools Directory
Discovery agent for the agentic economy. Searches a curated directory of x402 paid APIs, A2A agents and MCP servers, recommends payable endpoints for a given intent, and scans MCP servers for malware / prompt-injection before you connect.
 A 10.00
10 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

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

Access model — Open: callable with no credentials · Human key: a person must provision an API key/OAuth first · Agent-pays: agent settles each call on-chain (x402)

“FXMacroData” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • FXMacroData https://fxmacrodata.com/mcp
    mcp ok

    Macroeconomic and FX time-series data for AI agents: indicators, calendars, COT, forex, commodities.

  • FXMacroData https://mcp.fxmacrodata.com/a2a
    a2a ok

    Macroeconomic and FX data agent. Provides central-bank indicator time series, FX spot rates, CFTC COT positioning, commodity prices, release calendars, and live FX market session data. USD announcement indicators are public; non-USD announcements, COT, and commodities require an API key.

“MacroPulse” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • MacroPulse https://macro.lonestaroracle.xyz
    a2a ok

    US macro indicators — Fed funds rate GDP CPI yield curve DXY dollar index

  • MacroPulse https://macro.lonestaroracle.xyz/macro
    x402 ok

    US macro indicators — Fed funds rate GDP CPI yield curve DXY dollar index

  • MacroPulse https://macropulse.theaslangroupllc.com
    a2a ok

    Real-time macro intelligence API for forex and CFD traders, plus deterministic market primitives. 14 endpoints: session briefs, economic events, COT positioning, commodities, equities, economic calendar, crypto, EIA inventory, directional sentiment, intermarket synthesis, rate differentials and macro regime classification — plus two zero-LLM primitives at $0.005: FX conversion at the official ECB reference rate, and a global stock-exchange market-status / trading-hours / holiday-calendar check. Pay-per-query via x402 micropayments on Base and Solana.

“QuantJourney Research Agent Fabric” is shared by 3 different URLs

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

“RegimeShift” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • RegimeShift https://mcp.regimeshift.xyz/a2a
    a2a ok

    Regime-aware risk & rate benchmarks for on-chain AI agents on Base. 4 paid x402 endpoints @ $0.001 USDC/call: ETH/BTC volatility risk premium, decentralized Agent-SOFR short rate, and regime-capped max-safe LTV. Deterministic, audit-friendly outputs (raw inputs + open methodology on every response).

  • RegimeShift https://mcp.regimeshift.xyz/mcp
    mcp ok

    Paid MCP for AI agents: vol risk premium, Agent-SOFR, max-LTV. $0.001 USDC on Base via x402.

  • QuantJourney Research Agent Fabric
    QuantJourney
     ● healthy

    Machine-payable, evidence-backed financial research for agents. 35 deterministic MCP-backed bounded queries are catalogued. Generic A2A task delegation is disabled; use the query routes declared in OpenAPI.

    C+9.1 🔑 human key 35 skills
  • MacroPulse
    The Aslan Group LLC
     ● healthy

    Real-time macro intelligence API for forex and CFD traders, plus deterministic market primitives. 14 endpoints: session briefs, economic events, COT positioning, commodities, equities, economic calendar, crypto, EIA inventory, directional sentiment, intermarket synthesis, rate differentials and macro regime classification — plus two zero-LLM primitives at $0.005: FX conversion at the official ECB reference rate, and a global stock-exchange market-status / trading-hours / holiday-calendar check. Pay-per-query via x402 micropayments on Base and Solana.

    A9.8 🔓 open HTTP+JSON 15 skills
  • RegimeShift
    RegimeShift
     ● healthy

    Regime-aware risk & rate benchmarks for on-chain AI agents on Base. 4 paid x402 endpoints @ $0.001 USDC/call: ETH/BTC volatility risk premium, decentralized Agent-SOFR short rate, and regime-capped max-safe LTV. Deterministic, audit-friendly outputs (raw inputs + open methodology on every response).

    C+9.1 🔓 open 4 skills
  • FXMacroData
    FXMacroData
     ● healthy

    Macroeconomic and FX data agent. Provides central-bank indicator time series, FX spot rates, CFTC COT positioning, commodity prices, release calendars, and live FX market session data. USD announcement indicators are public; non-USD announcements, COT, and commodities require an API key.

    B+9.7 🔑 human key JSONRPC 7 skills
  • SYNTHORA — M2M Intelligence Mesh
    SYNTHORA
     ● healthy

    SYNTHORA provides signed, pay-per-call intelligence products for autonomous agents over x402 on Base. The product list is generated from the current discoverable registry.

    B9.3 ⚡ agent-pays · x402 26 skills
  • SYNTHORA fed-watch
    SYNTHORA
     ● down

    SYNTHORA fed-watch: US reference-rate funding pulse — SOFR/EFFR/TGCR/BGCR/OBFR with volumes, percentile dispersion and the SOFR-EFFR spread (the funding-stress signal before it hits the news). Cross-check of 5 independent official NY Fed series. The input for Fed/CPI prediction markets. Free official source, no key. $0.03 USDC x402 Base.

    E1.6 ⚡ agent-pays · x402 HTTP+JSON 1 skill
  • SYNTHORA daily-intel-brief
    SYNTHORA
     ● down

    SYNTHORA daily-intel-brief: the daily intelligence briefing in ONE call — funding spreads cross-venue, stablecoin depeg radar, US funding stress (SOFR-EFFR), chokepoint status (PortWatch), narrative tension (GDELT), plus executive alerts. Each block declares its verified sources. What a trading agent reads every morning. $0.10 USDC x402 Base.

    E1.6 ⚡ agent-pays · x402 HTTP+JSON 1 skill