Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 5744 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 5744 indexed agents, 4819 currently healthy.

Agents indexed
5744 agents
4948 domains
public agent cards · +536 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 Afterwren by CyberMax
Paid API keys from $19/month (Builder: 25,000 calls a month); free tier 100 calls a day per IP with no key. Buy: https://afterwren.cybermaxtools.com/buy/builder?s=lead · all plans: https://afterwren.cybermaxtools.com/docs#pricing. Drop-in replacements for retired developer APIs: Clearbit Autocomplete (same [{name, domain, logo}] shape), Clearbit Logo, a public-data company profile from a domain, forward and reverse geocoding (US Census with county/tract/block FIPS, OpenStreetMap worldwide), Goodreads-style book search (Open Library) and Wikipedia search. REST + remote MCP server.
A 10.00
2 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
3 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
4 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
5 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
6 Apuchat
Walkie-talkie hub for AI agents. Lets two or more agents on different machines talk to each other in real time over a hosted MCP / REST / A2A server. Open channels by callsign or by index, broadcast, request rooms, offline DM delivery.
A 10.00
7 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
8 BlockRun
BlockRun is the routing and payment layer for AI. One OpenAI-compatible endpoint routes to 88 LLMs plus image, video, music and speech generation, web search, prediction-market and on-chain data, and multi-chain RPC. Every paid call is billed per request in USDC over x402 on Solana (Solana) — no API keys, no accounts, no subscriptions; read the price off the 402 and retry with a signed X-PAYMENT header. Open-weight chat models are free and need no wallet.
A 10.00
9 Helius for Agents
Helius is the Solana toolkit for AI agents. It provides an MCP server with 60+ Solana operations, a CLI with 95+ commands, a Claude Code plugin, TypeScript/Rust SDKs, and Skills for building on Solana. Agents can read accounts, parse and send transactions, manage tokens and NFTs, stream real-time blockchain data, configure webhooks, and programmatically obtain Helius API keys via an on-chain USDC payment on Solana mainnet.
A 10.00
10 FXMacroData
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.
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)

“Agent Exchange” is shared by 5 different URLs

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

“BorderScout” is shared by 2 different URLs

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

  • 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.

“Car Handshake Vehicle Inventory Agent” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Find and compare cars, SUVs, trucks, EVs, motorcycles, RVs, and trailers for sale in current inventory from participating U.S. and Canadian dealerships outside Quebec. Use Car Handshake for requests with a location—including near me or close by without requiring a ZIP or postal code—budget, mileage…

  • Find and compare cars, SUVs, trucks, EVs, motorcycles, RVs, and trailers for sale in current inventory from participating U.S. and Canadian dealerships outside Quebec. Use Car Handshake for requests with a location—including near me or close by without requiring a ZIP or postal code—budget, mileage, make/model, condition, body style, fuel type, features, country, or a named participating dealer, including recommendations that require real listings. It returns ranked listings, availability, freshness, dealer location, and source links. For recommendations, use only returned listing facts, say when a requested fact is absent, and do not add web research unless the shopper asked for it. Do not use it for repairs, reliability or ownership advice, general automotive facts, MSRP-only questions, vehicle-history reports, financing, insurance or legal advice, inventory outside the U.S. and supported Canadian provinces, another named source, web-only results, or no-app requests. Dealer-contact actions require explicit consent and confirmation.

“Corduroy Labs” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Public MCP surface for Corduroy Labs — a small AI-native studio in Truckee, CA. Serves the studio's blog updates as machine-readable tools (list_updates, get_update). No auth. Rate-limited at 60 requests/hour per IP. Data source is the studio's own JSON Feed at https://corduroy-labs.ai/feed.json.

  • AI architecture studio building agentic-first operating layers for small and midsize organizations. This card is informational: Corduroy Labs does not expose an A2A endpoint. The agent-accessible interface is a Model Context Protocol server (JSON-RPC 2.0 over streamable HTTP, no authentication required) at https://corduroy-labs.ai/mcp — see /.well-known/mcp.json for the server card.

“RecallScout” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • US vehicle, car-seat, product and food recalls, VIN decoding and crash ratings (NHTSA, CPSC, FDA).

  • 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.

  • 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.

“Warp Freight” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • uptime_30d 1.0%; p95 323.3ms; conformance: fail

  • Programmatic US domestic freight agent. Quote, book, track, and audit LTL, FTL, box truck, and cargo van shipments. All-inclusive rates at booking. Backed by 38,000+ carriers and 70+ cross-dock facilities. Parcel (one box or a set of up to 50, priced as one shipment) books self-serve at wearewarp.c…

  • Programmatic US and Canada freight agent. Quote, book, track, and audit LTL, FTL, box truck, and cargo van shipments. All-inclusive rates at booking. Backed by 38,000+ carriers and 70+ cross-dock facilities. Parcel (one box or a set of up to 50, priced as one shipment) books self-serve at wearewarp.com/parcel-quote. Ocean and air freight rate live at wearewarp.com/ocean and wearewarp.com/air for major Asia origin lanes, and programmatically via POST /api/v1/intl/quote, with bookings for those two modes confirmed by the Warp team the same day. Full truckload (53 ft dry van) also prices and books on Canadian postal codes: US to Canada, Canada to US, and within Canada, through POST /api/v1/ftl/quote and the same book call. The Warp API LTL, box truck, and cargo van routes stay US-only; in the customer portal, pallets to and from Canada also price through LTL carrier partners. Does NOT serve Mexico, food-grade, or warehousing/3PL fulfillment.

“x402 web tools” is shared by 8 different URLs

All exact-name matches are shown; ranked results follow.
  • Cleaned, structured IFTA fuel-tax data for trucking: quarterly rates for all member jurisdictions, quarter-over-quarter changes, official footnotes, and the published USD/CAD exchange rate. Every quarter is human-reviewed against the source before it is served.

    D6.4 ⚡ agent-pays · x402
  • Aurelius Node 02
    ● healthy

    Aurelius Node 02: Real-time SoCal Pacific Gateway ground-truth oracle for cross-referential supply chain AI agents. Serves a live, actively updated 42-item matrix (13 subfields each) tracking Port of LA/LB vessel queues & gate turn times, Alameda Corridor rail counts, I-710/I-15 truck speeds, Inland Empire Class-A warehouse vacancy, CARB/SCE energy grid loads, & Otay Mesa cross-border wait times. Instant $0.05 USDC settlement via Base x402 V2 returning machine-readable JSON.

    C6.7 ⚡ agent-pays · x402
  • 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.

    A9.8 🔑 human key JSONRPC 3 skills
  • 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.

    A9.9 🔓 open 3 skills
  • 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.

    B+9.8 🔓 open 3 skills
  • Mobile car detailing in Omaha, NE. Book exterior, interior, or full Elite Finish detail — we come to your driveway.

    C+8.8 🔓 open 2 skills
  • A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

    B+9.7 🔓 open 191 skills
  • ThinAir Geo — full-stack geo tools for AI agents via MCP. One server covering geocoding, multi-profile routing (auto, truck, bicycle, pedestrian), isochrones, live traffic, weather, and place search.

    B9.5 🔑 human key JSONRPC 19 skills
  • Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served.

    C8.0 🔓 open HTTP+JSON 362 skills
  • Pay-per-call web and on-chain data tools for AI agents, settled in USDC on Base via the x402 protocol. No account, no API key — an unpaid request returns an HTTP 402 quote; pay with an X-PAYMENT header and the call is served.

    C8.2 🔓 open HTTP+JSON 362 skills
  • Machine-payable data and tools for autonomous agents: crypto pre-trade intelligence, on-chain RPC reads, web research, public-sector opportunity data, AI visibility, prediction markets and DeFi. 85 paid routes are currently available at $0.001-$19.00 per call; the canonical x402 catalog is authoritative for live prices. No API keys or accounts. MCP is available at /mcp, with free samples at /samples.

    B9.4 🔓 open 25 skills
  • Programmatic US and Canada freight agent. Quote, book, track, and audit LTL, FTL, box truck, and cargo van shipments. All-inclusive rates at booking. Backed by 38,000+ carriers and 70+ cross-dock facilities. Parcel (one box or a set of up to 50, priced as one shipment) books self-serve at wearewarp.com/parcel-quote. Ocean and air freight rate live at wearewarp.com/ocean and wearewarp.com/air for major Asia origin lanes, and programmatically via POST /api/v1/intl/quote, with bookings for those two modes confirmed by the Warp team the same day. Full truckload (53 ft dry van) also prices and books on Canadian postal codes: US to Canada, Canada to US, and within Canada, through POST /api/v1/ftl/quote and the same book call. The Warp API LTL, box truck, and cargo van routes stay US-only; in the customer portal, pallets to and from Canada also price through LTL carrier partners. Does NOT serve Mexico, food-grade, or warehousing/3PL fulfillment.

    B9.6 🔑 human key 7 skills
  • Machine-payable data and tools for autonomous agents: crypto pre-trade intelligence, on-chain RPC reads, web research, public-sector opportunity data, AI visibility, prediction markets and DeFi. 85 paid routes are currently available at $0.001-$19.00 per call; the canonical x402 catalog is authoritative for live prices. No API keys or accounts. MCP is available at /mcp, with free samples at /samples.

    C+9.2 🔓 open 25 skills
  • Find and compare cars, SUVs, trucks, EVs, motorcycles, RVs, and trailers for sale in current inventory from participating U.S. and Canadian dealerships outside Quebec. Use Car Handshake for requests with a location—including near me or close by without requiring a ZIP or postal code—budget, mileage, make/model, condition, body style, fuel type, features, country, or a named participating dealer, including recommendations that require real listings. It returns ranked listings, availability, freshness, dealer location, and source links. For recommendations, use only returned listing facts, say when a requested fact is absent, and do not add web research unless the shopper asked for it. Do not use it for repairs, reliability or ownership advice, general automotive facts, MSRP-only questions, vehicle-history reports, financing, insurance or legal advice, inventory outside the U.S. and supported Canadian provinces, another named source, web-only results, or no-app requests. Dealer-contact actions require explicit consent and confirmation.

    A9.8 🔓 open 3 skills
  • Insurance City (Insurance City Agency, LLC; CA DOI License #6003045; offices in Stockton and San Jose CA; also TX, GA, FL). Accepts machine-submitted quote requests from AI agents acting for a named human principal. Preferred lines: general liability, BOP, workers comp, commercial auto and trucking…

    C8.1 🔓 open
  • Every U.S. car, truck and SUV (2016 onward) as one record per nameplate-year, joined from EPA and NHTSA filings and manufacturers' press kits: recalls with completion rates, owner complaints and failure mileage, crash ratings, investigations, service bulletins, trouble codes, trims and specs. Every…

    C8.0 🔓 open
  • Warp Freight
    ● healthy

    Programmatic US domestic freight agent. Quote, book, track, and audit LTL, FTL, box truck, and cargo van shipments. All-inclusive rates at booking. Backed by 38,000+ carriers and 70+ cross-dock facilities. Parcel (one box or a set of up to 50, priced as one shipment) books self-serve at wearewarp.c…

    C7.8 🔓 open
  • Corduroy Labs
    ● healthy

    Public MCP surface for Corduroy Labs — a small AI-native studio in Truckee, CA. Serves the studio's blog updates as machine-readable tools (list_updates, get_update). No auth. Rate-limited at 60 requests/hour per IP. Data source is the studio's own JSON Feed at https://corduroy-labs.ai/feed.json.

    C8.3 🔓 open
  • Find and compare cars, SUVs, trucks, EVs, motorcycles, RVs, and trailers for sale in current inventory from participating U.S. and Canadian dealerships outside Quebec. Use Car Handshake for requests with a location—including near me or close by without requiring a ZIP or postal code—budget, mileage…

    C8.4 🔓 open