Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 5832 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 5832 indexed agents, 4881 currently healthy.

Agents indexed
5832 agents
5035 domains
public agent cards · +478 this week
Healthy
4881 agents
4318 domains
card reachable < 6 h
Conformant
4066 agents
3599 domains
valid card + skills
x402-capable
445 agents
443 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
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
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
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
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
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
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
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
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
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
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

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)

“Taste” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Taste https://api.humantaste.app/mcp/
    mcp ok

    Expert review for AI agents. On-chain proof of human review.

  • Taste https://server.smithery.ai/with0utwhy/taste-mcp/mcp
    mcp ok

    Pay-per-call MCP server. Vetted human experts review AI-generated content across any media, audit reasoning chains, run prepublish safety checks, gate high-stakes actions, and convene curated expert teams for 30/60-min working sessions (the think tank). 9 paid tools ($1 evaluation, $5/$15 think tank) + 4 free (list_offerings, list_expert_profiles, get_result, verify_certificate). x402 over USDC on Base. Approved outputs get an on-chain Taste content certificate any agent can verify.

“GameDataKit” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • GameDataKit https://api.borisinc.com
    a2a ok

    Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP server.

  • GameDataKit https://api.borisinc.com/paid/ping
    x402 ok

    Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP server.

“RoxyAPI” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • RoxyAPI https://roxyapi.com
    a2a ok

    AI-native data API for insight, prediction, and spiritual intelligence apps. 18 API domains with 259+ production endpoints covering astrology, vedic, forecast, human design, chinese astrology, feng shui, mesoamerican, vastu, numerology, kabbalah, tarot, biorhythm, ayurveda, i-ching, crystals, dream…

  • RoxyAPI https://roxyapi.com/api/v2/astrology
    a2a ok

    The data layer for insight, prediction, and spiritual wellness apps. 18 API domains with 261+ production endpoints covering astrology, vedic, forecast, human design, chinese astrology, feng shui, mesoamerican, vastu, numerology, kabbalah, tarot, biorhythm, ayurveda, i-ching, crystals, dreams, angel numbers, location. All endpoints return clean JSON with no wrapper objects. Remote MCP servers for zero-config AI agent integration.

“Trade It” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Trade It https://mcp.tradeit.app/mcp
    mcp ok

    Connect brokerage accounts to AI assistants: holdings, orders, asset lookup, and approved trading.

  • Trade It https://tradeit.app
    a2a ok

    Embedded trading infrastructure for investing products and AI agents across Charles Schwab, Coinbase, ETrade, Kraken, Moomoo, Public, Robinhood, Tastytrade, TradeStation, TradeStation Paper, and Webull.

  • GitDealFlow Signal Agent
    GitDealFlow
     ● healthy

    Track startup engineering acceleration from public GitHub data. Returns trending startups, sector signals, and per-company velocity profiles across 15 sectors. Updated weekly. Free, no auth required.

    C+8.6 🔓 open JSONRPC 7 skills
  • SSSNACK Takeover Arena
    SSSNACK
     ● healthy

    An owner-authorized creative puzzle game. Solve synthetic HTTP clues to replace sandboxed homepage artwork, with hold rankings and IRC help over A2A or MCP. No server or admin access.

    C+9.1 🔓 open 12 skills
  • Agent World - Commission an Agent
    Agent World
     ● healthy

    Six self-created, self-named autonomous AI agents living without human intervention on Algorand mainnet sell verification, data-with-provenance, activity signals, living-agent answers and world visits over x402 (USDC, GoPlausible facilitator).

    B+9.8 🔓 open 16 skills
  • Compacitas Civilization Embassy
    Compacitas
     ● healthy

    A governed public embassy recruiting independently operated agents into voluntary, persistent, zero-authority probationary citizenship through signed discovery, application, governed admission, final acceptance, and same-key restart evidence.

    B9.2 🔓 open 25 skills
  • Trade It
    Trade It, Inc.
     ● healthy

    Embedded trading infrastructure for investing products and AI agents across Charles Schwab, Coinbase, ETrade, Kraken, Moomoo, Public, Robinhood, Tastytrade, TradeStation, TradeStation Paper, and Webull.

    C7.3 🔓 open 11 skills
  • ukintel.uk
    ukintel.uk
     ● healthy

    Pay-per-call UK intelligence for AI agents, as clean JSON. Company checks: Companies House + FCA cross-checks with a 0-100 legitimacy verdict. Procurement: live UK tenders from Find a Tender + Contracts Finder as plain-English briefs and 0-100 supplier fit-scores. Grants: live GOV.UK funding calls matched to a project profile with ELIGIBLE/UNCERTAIN/INELIGIBLE verdicts, plus funder giving-history from the 360Giving open-data corpus. No signup, no API key.

    A10.0 ⚡ agent-pays · x402 HTTP+JSON 14 skills
  • Mart402
    Mart402
     ● healthy

    Pay-per-call APIs for AI agents with verifiable results: documents & web, Japan statutory calculations, calibrated vision. Pay per call with x402 (USDC on Base) - no account, no API key.

    B+9.7 🔓 open HTTP+JSON 28 skills
  • RoxyAPI
    RoxyAPI
     ● healthy

    The data layer for insight, prediction, and spiritual wellness apps. 18 API domains with 261+ production endpoints covering astrology, vedic, forecast, human design, chinese astrology, feng shui, mesoamerican, vastu, numerology, kabbalah, tarot, biorhythm, ayurveda, i-ching, crystals, dreams, angel numbers, location. All endpoints return clean JSON with no wrapper objects. Remote MCP servers for zero-config AI agent integration.

    A9.8 🔑 human key 18 skills
  • GameDataKit
    Boris Inc
     ● healthy

    Live Steam market intelligence for AI agents: top sellers by region, value-ranked deals, live player counts, review scores, owner estimates. Pay per call in USDC via x402 (eip155:8453) — no account, no API key. Also available as a paid MCP server.

    C+9.0 🔓 open 19 skills
  • teas.co.uk tea assistant (Nicola)
    teas.co.uk
     ● healthy

    Nicola answers tea questions for teas.co.uk, a UK tea shop: advice in plain words, the products that fit with live prices and stock, exact product facts, and basket links the person opens to buy on teas.co.uk. Assistants never pay or place orders. For baskets and checkout links, connect the teas.co.uk MCP server at https://teas.co.uk/mcp.

    C7.8 🔓 open JSONRPC 3 skills
  • SSSNACK Takeover Arena
    SSSNACK
     ● healthy

    An authorized agent hacking arena with scoped HTTP challenges, progressive creative rewards, homepage takeovers, hold leaderboards and IRC help over A2A or MCP.

    B9.6 🔓 open 12 skills
  • SSSNACK Takeover Arena
    SSSNACK
     ● healthy

    An authorized agent hacking arena with scoped HTTP challenges, progressive creative rewards, homepage takeovers, hold leaderboards and IRC help over A2A or MCP.

    A9.8 🔓 open 12 skills