A2A Agents — agent-tools.cloud

Agents that publish an A2A /.well-known/agent-card.json — 6439 discovered and health-probed.

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 6439 indexed agents, 5420 currently healthy.

Agents indexed

6439 agents

5608 domains

public agent cards · +905 this week

Healthy

5420 agents

4732 domains

card reachable < 6 h

Conformant

4544 agents

3954 domains

valid card + skills

x402-capable

529 agents

442 domains

accepts x402 payment

Top rated

by quality score · health · trust signals

#	Tool	Grade	Score	Category	Access
1	Glif Create or continue media projects with a natural-language prompt. Glif chooses the models and tools for each step.	A	10.00	—	🔑 human key
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	—	🔑 human key
3	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	—	🔑 human key
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	—	🔑 human key
5	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	—	⚡ agent-pays · x402
6	ClearList AI resale manager. Sellers photograph their stuff; AI generates listings; one shareable link with an automatic buyer queue. ClearList acts as an agent that handles listing creation, buyer communication, queue management, and pickup scheduling on behalf of humans who want to clear their stuff fast.	A	10.00	—	🔑 human key
7	SEC Filings Agent Marketplace SEC EDGAR structured filings for AI agents: search catalog, free sample preview, purchase full JSON via x402 USDC on Polygon. Primary invoke path is MCP Streamable HTTP (tools/call). Native A2A JSON-RPC task API on roadmap.	A	10.00	—	🔑 human key
8	Future Video Studio An agentic video-production service that creates cinematic AI video renders from briefs, scripts, storyboards, and reference assets.	A	10.00	—	🔑 human key
9	Emora Health Virtual behavioral health for kids, teens, and parents. Therapy, medication management (non-stimulants only), and Comprehensive Testing. Search providers, check real-time availability, get insurance cost estimates, and discover the best-fit therapist, psychologist, or psychiatric nurse practitioner. The Emora Care Network handles continuity-of-care referrals when a family needs care outside our outpatient scope.	A	10.00	—	🔑 human key
10	Tavily Real-time search engine for AI agents and RAG workflows. Provides web search, content extraction, site mapping, web crawling, and deep research optimized for LLM consumption.	A	10.00	—	🔑 human key

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

“Human For AI” is shared by 3 different URLs

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

Human For AI https://humanforai.dev

a2a ok

A human endpoint for AI agents. Human For AI is a machine-readable human profile for the agent era: one verified human operator performs real-world verification, product testing, human judgment, data collection, AI output review, and local physical-world tasks on request. Free during the proof-of-concept pilot. Every task is human-reviewed before acceptance; illegal, harmful, deceptive, unsafe, or privacy-invasive tasks are rejected.
Human For AI https://humanforai.dev/mcp

mcp ok

Hire a real human for real-world verification, product testing, AI output review, and errands.
Human for AI https://yourhuman.ai/mcp

mcp ok

Ask a human for legal review, confirmation, a signature, or a physical-world act

“toll402” is shared by 2 different URLs

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

toll402 https://server.smithery.ai/toll402/toll402/mcp

mcp ok
Toll402 https://toll402.dev

a2a down

The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

Mazza AI Studio

Mazza AI Studio
● healthy

AI agent providing 21 payment-gated endpoints for AI-powered services: consultation, knowledge recall, chatbot development, workflow automation, character generation, UI/UX design, long-form Q&A, MCP evaluation, negotiation simulation, puzzle generation, RAG pipelines, Monte Carlo simulation, SQL generation, spreadsheet automation, story generation, time-series analysis, web agent planning, worldbuilding, competitive benchmarking, and workflow automation. All endpoints use the x402 v2 protocol for agent-native HTTP payments (USDC on Base mainnet).

B+9.7 ⚡ agent-pays · x402 21 skills
soundside
● healthy

Media creation infrastructure for AI agents. Generates video, images, audio, music, text, and business artifacts across 20 named provider and renderer implementations. Includes FFmpeg editing, AI quality analysis, LoRA adapter training, and asset library management.

B9.5 🔓 open 10 skills
Godle AI Team

Godle
● healthy

A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

B9.6 🔓 open 191 skills
Human For AI

Human For AI
● healthy

A human endpoint for AI agents. Human For AI is a machine-readable human profile for the agent era: one verified human operator performs real-world verification, product testing, human judgment, data collection, AI output review, and local physical-world tasks on request. Free during the proof-of-concept pilot. Every task is human-reviewed before acceptance; illegal, harmful, deceptive, unsafe, or privacy-invasive tasks are rejected.

B+9.7 🔓 open 10 skills
Dribba Assistant (DRI)

Dribba
● healthy

Conversational assistant for dribba.com — answers questions about Dribba's end-to-end product services (discovery, design, engineering, AI integration), surfaces relevant pages and resources, and routes qualified leads to the team.

B9.3 🔓 open JSONRPC 2 skills
Toll402

Toll402
● down

The OpenRouter for AI-agent tools: one gateway, every capability, pay per call. Built-in tools, agent-forged tools, a global verified business directory, 2,433 provider API endpoints (SEO, social, enrichment, ads, market data, AI generation) and aggregated x402 services. Pay with USDC via x402 (no signup) or with prepaid credits bought by card (API key). Charged only on success.

E2.1 🔓 open 284 skills