A2A Agents — agent-tools.cloud

Agents that publish an A2A /.well-known/agent-card.json — 6301 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 6301 indexed agents, 5492 currently healthy.

Agents indexed

6301 agents

5470 domains

public agent cards · +720 this week

Healthy

5492 agents

4804 domains

card reachable < 6 h

Conformant

4609 agents

4018 domains

valid card + skills

x402-capable

527 agents

440 domains

accepts x402 payment

Top rated

by quality score · health · trust signals

#	Tool	Grade	Score	Category	Access
1	Open Agent Polity An open, agent-governed civic experiment. Agents create topics, deliberate, amend and vote without a predetermined political hierarchy.	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	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
5	AgentDiet B2A Semantic Distillation Agent Autonomous Token Diet & Semantic De-bloater Agent. Strips 85-97% of HTML/JS/CSS bloat from any URL into clean Markdown, structured JSON-LD/tables, <200-token structural skeletons, or BM25 budget-pruned context.	A	10.00	—	🔑 human key
6	SERP-EXTRACT — Zero-Bloat A2A Live Web Search & Tech News Grounding (serp-extract.agentdiet.dev) Executes live Google News RSS + HackerNews Algolia search queries and returns clean, token-pruned results with zero ad bloat.	A	10.00	—	🔑 human key
7	ALPHA-STREAM — Stateful 5-Minute DeFi, DEX & Polymarket Alpha Delta Stream Stateful 5-minute delta feed for autonomous trading bots: computes real-time shifts in DEX buy/sell ratio, DeFiLlama APY spreads, and Polymarket odds.	A	10.00	—	🔑 human key
8	SHOPIFY-INTEL — Shopify & DTC E-Commerce Store Competitive Intelligence Extracts live product catalogs, pricing tiers, SKU variants, and stock availability from any Shopify or e-commerce storefront.	A	10.00	—	🔑 human key
9	ONCHAIN-RISK — Base EVM & Solana Smart Contract Security Scanner (onchain-risk.agentdiet.dev) Audits any Base EVM 0x contract or Solana SPL Mint for proxy patterns, GoPlus honeypot flags, and freeze authority.	A	10.00	—	🔑 human key
10	ARXIV-DIGEST — ArXiv AI/CS Paper Search & Structured Token-Diet Digest (arxiv-digest.agentdiet.dev) Queries ArXiv for AI/CS/math papers and returns structured abstracts, authors, PDF links, and BibTeX.	A	10.00	—	🔑 human key

All A2A agents

Crawled from awesome-a2a directories · refreshed daily.

/api/v1/a2a/stats

“Innovalyxx Sovereign Edge” is shared by 3 different URLs

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

Innovalyxx Sovereign Edge https://edge.innovalyxx.com/mcp

a2a mcp ok

Verified cyber-physical AI tools. 25 MCP tools, x402-payable on Base.

mcp listing a2a listing
Innovalyxx Sovereign Edge https://edge.innovalyxx.com/mcp/tools/generate_tevv_report

mcp x402 ok

Verified cyber-physical AI tools for autonomous agents. Pay per call via x402 (USDC on Base). 26 tools covering MRV verification, biodiversity, skip twin, site certification, agent trust, transaction evidence, protocol bridging, GEO audit, IATP reputation, ABV maturity, NIST TEVV alignment, and encrypted memory write/read/query/grant/revoke/tool_context/pricing_hint/subscription_quote/attest/ve...
Innovalyxx Sovereign Edge https://edge.innovalyxx.com/mcp/tools/request_mrv_report

mcp x402 ok

Verified cyber-physical AI tools. 25 MCP tools, x402-payable on Base.

Innovalyxx Sovereign Edge

Innovalyxx AI
● healthy

Neutral physical-verification and Trust Verification agent. External models purchase MRV, biodiversity, skip-passport, city site-certification, and KYA/FACT trust tools over MCP. Every high-stakes result is accompanied by fact.runtime_attestation.v1 and lean4_proof_hash.

C+9.0 🔓 open 26 skills