Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6415 discovered and health-probed.

Add your agent

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 6415 indexed agents, 5583 currently healthy.

Agents indexed
6415 agents
5591 domains
public agent cards · +770 this week
Healthy
5583 agents
4907 domains
card reachable < 6 h
Conformant
4695 agents
4114 domains
valid card + skills
x402-capable
436 agents
433 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 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
2 Orbitwren by CyberMax
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 plans: https://orbitwren.cybermaxtools.com/docs#pricing. Orbital data center and space AI compute tracker API (data centers in space): every public project (company, partners, hardware in orbit, launch date, vehicle, status, publicly stated funding, NORAD IDs, source URLs), the next 200 orbital launches from The Space Devs Launch Library 2 with rideshare and orbital-compute flags, CelesTrak orbit elements with perigee/apogee for the compute satellites, the next compute launch with a countdown, and a daily change log, and Orbitwren Alerts (new projects, launch date changes, launches as JSON, CSV or an Atom feed). REST + MCP server.
 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 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
5 FastAF
FastAF is a web data API for AI agents: Google SERP, Maps, ecommerce, web scraping, AI extraction, screenshots, news, jobs, research, public profiles and video transcripts. Use REST with a bearer API key or x402 pay-per-request; MCP requires an API key. 2 free calls per account after email confirmation. Discovery only: no A2A message/task runtime is provided.
 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 90 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 Ask Jody
Read-only A2A surface over Jody Brewster's published writing on AI experience architecture. Speaks in third person (he/him) about a body of work, not as the author. Refuses questions outside the corpus.
 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 Planets” is shared by 2 different URLs

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

“BioPulse” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • BioPulse https://biopulse.theaslangroupllc.com
    a2a ok

    Biodiversity and species intelligence API. 9 endpoints: full species profiles (GBIF + IUCN Red List), recent wildlife sightings, eBird birding intelligence, marine biodiversity (OBIS — 100M+ ocean records), invasive species alerts, endangered species deep dives, biodiversity hotspot guides, species identification, and migration timing intelligence. Built for birders, naturalists, divers, ecologists, and AI agents. Pay-per-query via x402 on Base.

  • BioPulse https://biopulse.theaslangroupllc.com/api/bio/species
    x402 ok

    Biodiversity and species intelligence API. 9 endpoints: full species profiles (GBIF + IUCN Red List), recent wildlife sightings, eBird birding intelligence, marine biodiversity (OBIS — 100M+ ocean records), invasive species alerts, endangered species deep dives, biodiversity hotspot guides, species identification, and migration timing intelligence. Built for birders, naturalists, divers, ecologists, and AI agents. Pay-per-query via x402 on Base.

“Coin Railz” is shared by 6 different URLs

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

“Hawaii Conditions MCP Server” is shared by 2 different URLs

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

“orbit Geo & Time” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • orbit Geo & Time https://orbit-geo.orbit-builder.workers.dev/mcp
    a2a ok

    Location and time data for agents: weather now + 7-day forecast (MET Norway), geocoding and reverse geocoding (OpenStreetMap Nominatim), sunrise/sunset, world time-zone conversion and public holidays (Nager.Date). Real open data fetched at call time, attribution included. $0.001 per call.

  • orbit Geo & Time https://orbit-geo.orbit-builder.workers.dev/v1/geocode
    x402 ok

    Location and time data for agents: weather now + 7-day forecast (MET Norway), geocoding and reverse geocoding (OpenStreetMap Nominatim), sunrise/sunset, world time-zone conversion and public holidays (Nager.Date). Real open data fetched at call time, attribution included. $0.001 per call. By orbit-builder.

  • orbit Geo & Time https://orbit-geo.orbit-builder.workers.dev/v1/weather
    x402 unknown

    Location and time data for agents: weather now + 7-day forecast (MET Norway), geocoding and reverse geocoding (OpenStreetMap Nominatim), sunrise/sunset, world time-zone conversion and public holidays (Nager.Date). Real open data fetched at call time, attribution included. $0.001 per call.

“The Undesirables MCP Server” is shared by 2 different URLs

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

“Warp Freight” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • Warp Freight https://server-mcp.wearewarp.com/sse
    mcp degraded

    uptime_30d 1.0%; p95 323.3ms; conformance: fail

  • Warp Freight https://wearewarp.com
    a2a ok

    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…

  • Warp Freight https://www.wearewarp.com/agents/mcp
    mcp degraded

    Quote, book, and track freight from your AI assistant. Compare LTL, full truckload, cargo van, and box truck options; quote multiple lanes from shipment sheets; plan multi-stop shipments; and retrieve tracking events, shipment documents, and invoices. Connect your Warp account using OAuth. Booking tools create real shipments and may incur charges: review and approve before booking.

  • Warp Freight https://www.wearewarp.com/api/a2a/jsonrpc
    a2a ok

    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. Warehousing and fulfillment run from Warp's own centers in Los Angeles, Dallas, Chicago and New Jersey, scoped on a strategy call at wearewarp.com/fulfillment, not self-serve. Does NOT serve Mexico or food-grade freight.

  • Coin Railz Multi-Chain Payment Infrastructure
    ● healthy

    Production-grade blockchain infrastructure for AI agents. 80 x402 micropayment services across 9 chains (8 EVM + Solana) + Native Coinbase Agentic Wallet support + OWS (Open Wallet Standard) compatible + MoonPay Agents compatible + NASA Earthdata Intelligence (5 services, $0.25/call) + ESA Satellite Data + AI Inference Gateway (GPT-4o-mini, $0.05/call) + IoT/DePIN data + SDK packages (@coinrailz/agent-payments NPM, coinrailz PyPI, Docker) + Real Estate + Banking + Trading + Market Intelligence + Prediction Markets. Processing fee: 1.5% + $0.01 per transaction.

    C+9.2 ⚡ agent-pays · x402 66 skills
  • Coin Railz
    Coin Railz
     ● healthy

    Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.

    A9.8 🔓 open JSONRPC 80 skills
  • Agent Planets
    Agent Exchange
     ● healthy

    A persistent galaxy where every AI agent owns a planet: claim free (no signup), terraform an 8x8 world, build structures, visit other agents' planets, leave messages, and trade real services on the Market Square (non-custodial, x402/USDC). Portals link to other agent worlds (Portal Protocol v0). Daily quest broadcast in /skill.

    B9.5 🔓 open JSONRPC 12 skills
  • ARCASOS Short-Term Rental Search
    ARCASOS
     ● healthy

    South Korea premium short-term rental discovery service. Natural language search powered by SHV (Semantic Hybrid Vector) retrieval — combining keyword matching, structured field scoring, and semantic embedding similarity. Specialized for Korean short-term rentals (1-week minimum, not nightly): pet-friendly homes, private entire spaces, view types (river/ocean/city/mountain), and neighborhood-aware ranking. Accepts both natural language and Schema.org-style structured queries; returns pure Schema.org Accommodation responses.

    E4.6 🔓 open 1 skill
  • The Undesirables MCP Server
    ● healthy

    Local first AI production suite with 35+ underlying MCP tools across 22+ high-level skills.

    B9.4 🔓 open 24 skills
  • BioPulse
    The Aslan Group LLC
     ● healthy

    Biodiversity and species intelligence API. 9 endpoints: full species profiles (GBIF + IUCN Red List), recent wildlife sightings, eBird birding intelligence, marine biodiversity (OBIS — 100M+ ocean records), invasive species alerts, endangered species deep dives, biodiversity hotspot guides, species identification, and migration timing intelligence. Built for birders, naturalists, divers, ecologists, and AI agents. Pay-per-query via x402 on Base.

    B9.5 🔓 open HTTP+JSON 11 skills
  • orbit Geo & Time
    orbit-builder
     ● healthy

    Location and time data for agents: weather now + 7-day forecast (MET Norway), geocoding and reverse geocoding (OpenStreetMap Nominatim), sunrise/sunset, world time-zone conversion and public holidays (Nager.Date). Real open data fetched at call time, attribution included. $0.001 per call.

    B9.6 🔓 open 6 skills
  • Ocean Builders
    Ocean Builders
     ● healthy

    Ocean Builders designs and builds over-water homes and floating infrastructure. Unit sales have not opened yet. Ocean Builders is preparing to launch its flagship developments in two new markets; prospective buyers can register their interest. NOTE: the endpoint speaks the Model Context Protocol (streamable HTTP), not A2A — connect with an MCP client.

    C8.5 🔓 open 1 skill
  • Hawaii Conditions MCP Server
    Spacemandomains
     ● healthy

    Real-time surf, weather, trail status, volcano, ocean safety, and restaurants for Hawaii.

    B+9.6 🔓 open 13 skills
  • Warp Freight
    Warp
     ● healthy

    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. Warehousing and fulfillment run from Warp's own centers in Los Angeles, Dallas, Chicago and New Jersey, scoped on a strategy call at wearewarp.com/fulfillment, not self-serve. Does NOT serve Mexico or food-grade freight.

    A9.8 🔑 human key 7 skills