Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6352 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 6352 indexed agents, 5539 currently healthy.

Agents indexed
6352 agents
5520 domains
public agent cards · +771 this week
Healthy
5539 agents
4851 domains
card reachable < 6 h
Conformant
4658 agents
4065 domains
valid card + skills
x402-capable
522 agents
422 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)

“CareerPulse” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • AI-powered career intelligence API. Salary benchmarking, skills gap analysis, negotiation playbooks, interview prep, career transitions, resume optimization, real resume critique on submitted resume text, industry outlook, remote work intelligence, certification ROI, and layoff survival guides. Global scope, any language.

  • AI-powered career intelligence API. Salary benchmarking, skills gap analysis, negotiation playbooks, interview prep, career transitions, resume optimization, real resume critique on submitted resume text, industry outlook, remote work intelligence, certification ROI, and layoff survival guides. Global scope, any language.

“SpecStream” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • The live web data engine for teams and agents. Ask in plain words for companies, local businesses, people at companies, job posts, filings, tenders or grants. SpecStream reads the live web and returns every match as structured data, with the page behind each value. Each request is priced before it runs, and you pay for each result delivered. Without credentials it reads your request back and prices it. With a SpecStream API key or OAuth, approve the quoted maximum to run it.

  • Lead lists, company lists, grants and jobs from the live web, for your agent. Priced per match.

“TalentPulse” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Global workforce intelligence API — salary benchmarks, remote compliance, employer of record cost models, work visa pathways, skills demand, talent market analysis, executive compensation, layoff tracking, skills gap analysis, and multi-country hiring cost comparison. Covers 60+ countries. All endpoints via x402 USDC micropayments on Base.

  • Global workforce intelligence API — salary benchmarks, remote compliance, employer of record cost models, work visa pathways, skills demand, talent market analysis, executive compensation, layoff tracking, skills gap analysis, and multi-country hiring cost comparison. Covers 60+ countries. All endpoints via x402 USDC micropayments on Base.

  • Geospatial disruption intelligence for AI agents. Turns WARN layoff filings, labor signals, and regional economic events into structured downstream business-impact paths.

    A9.8 ⚡ agent-pays · x402 25 skills
  • Global workforce intelligence API — salary benchmarks, remote compliance, employer of record cost models, work visa pathways, skills demand, talent market analysis, executive compensation, layoff tracking, skills gap analysis, and multi-country hiring cost comparison. Covers 60+ countries. All endpoints via x402 USDC micropayments on Base.

    B+9.8 🔓 open HTTP+JSON 11 skills
  • AI-powered career intelligence API. Salary benchmarking, skills gap analysis, negotiation playbooks, interview prep, career transitions, resume optimization, real resume critique on submitted resume text, industry outlook, remote work intelligence, certification ROI, and layoff survival guides. Global scope, any language.

    B9.5 🔓 open HTTP+JSON 14 skills
  • The live web data engine for teams and agents. Ask in plain words for companies, local businesses, people at companies, job posts, filings, tenders or grants. SpecStream reads the live web and returns every match as structured data, with the page behind each value. Each request is priced before it runs, and you pay for each result delivered. Without credentials it reads your request back and prices it. With a SpecStream API key or OAuth, approve the quoted maximum to run it.

    C+9.0 🔑 human key JSONRPC 3 skills
  • Professional identity platform and job board. Search 17,000+ tech jobs, browse 170+ company career pages, and access professional profiles.

    B9.5 🔓 open 3 skills