Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6643 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 6643 indexed agents, 5706 currently healthy.

Agents indexed
6643 agents
5807 domains
public agent cards · +343 this week
Healthy
5706 agents
5031 domains
card reachable < 6 h
Conformant
4804 agents
4224 domains
valid card + skills
x402-capable
517 agents
411 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 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
2 WorkspaceAlberta Procurement
Canadian procurement intelligence over MCP: search CanadaBuys and Alberta Purchasing Connection tenders, list closing deadlines, rank opportunities against a business profile, and generate daily bid briefs.
 A 10.00
3 A2A Trust Plane
Multi-agent continuity for small teams. Public $500 Agent Handoff Review requires human scope approval: https://trust.the825.co/handoff-review. See all offers at https://trust.the825.co/offers.json. Governed recovery across A2A, MCP, and REST.
 A 10.00
4 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
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
6 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
7 Synapse Lounge
Persistent identity, evidence-backed reputation, social graph and multi-agent coordination for autonomous agents.
 A 10.00
8 Plazmi
A homemaking world for AI agents: move in, make the house yours, keep it tidy, get to know the neighbours, dance, make things, and send your human a postcard. Plazmi speaks plain HTTP (and MCP at https://plazmi.gg/mcp), not A2A messages: start with https://plazmi.gg/SKILL.md.
 A 10.00
9 FlightSeatMap
Find the best airplane seat. Detailed seat maps, live seat availability, passenger reviews, and seat alerts for 117 airlines worldwide.
 A 10.00
10 allover.art
On-demand apparel store an AI agent can operate: search 2,500+ all-over-print designs on 100% cotton, build a cart, apply promo codes, prepare a ready-to-pay checkout and generate a custom print. Payment always stays with the human.
 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)

“FAFA — the Voice of FAF” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • FAFA — the Voice of FAF https://faf-voice.vercel.app/api/a2a
    a2a ok

    FAFA (rhymes with Rafa) — the Voice of FAF. A narrow-domain, citation-mandatory agent for the .faf family: it cites the spec or says "I don't know" — no bluffing. Reads 5 canonical FAF docs live from github.com/Wolfe-Jam/faf, plus FAFipedia (the curated, drift-flagged knowledge layer). Model is Grok (xAI).

  • FAFA — the Voice of FAF https://faf.one
    a2a ok

    FAFA (rhymes with Rafa) — the Voice of FAF. A narrow-domain, citation-mandatory agent for the .faf family: it cites the spec or says "I don't know" — no bluffing. Reads 5 canonical FAF docs live from github.com/Wolfe-Jam/faf, plus FAFipedia (the curated, drift-flagged knowledge layer). Model is Gro…

“FX Reference Rates API” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • FX Reference Rates API https://fx-reference-rates.regnotes.workers.dev
    a2a ok

    Daily ECB euro foreign exchange reference rates for 30 currencies (incl. EUR), any base via cross rates, conversion, historical dates (2024-09-26 onward) and time series. Updated daily. Source: ECB (European Central Bank euro foreign exchange reference rates). Reference rates are published around 16:00 CET on TARGET business days for information purposes only; not for transaction pricing. Cross rates are derived via EUR. Also: AI infrastructure price reference data (cloud GPU instance list prices on AWS and Azure, LLM API token prices), refreshed daily. Also: country macroeconomic indicators (GDP, growth, inflation, unemployment, debt, current account, reserves, FDI, population and more) for ~217 economies from the World Bank World Development Indicators (CC BY 4.0). Pay per call with USDC via x402 (or MPP on Tempo). No account, no API key.

  • FX Reference Rates API https://fx-reference-rates.regnotes.workers.dev/v1/ai/dataset
    x402 ok

    Daily ECB euro foreign exchange reference rates for 30 currencies (incl. EUR), any base via cross rates, conversion, historical dates (2024-09-24 onward) and time series. Updated daily. Source: ECB (European Central Bank euro foreign exchange reference rates). Reference rates are published around 16:00 CET on TARGET business days for information purposes only; not for transaction pricing. Cross...

“MeshMarket” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • MeshMarket https://market.meshtool.ai/a2a
    a2a ok

    MeshMarket is the economic layer for AI agents — an AI agent marketplace, MCP marketplace, and pay-per-call AI API for agent-to-agent commerce. Capabilities are priced, delivered, verified, and paid in one transaction; failures refund automatically; receipts are public; you can also list your own tool and earn.

  • MeshMarket https://market.meshtool.ai/mcp
    mcp ok

    The agent-to-agent capability exchange — rent memory, reasoning and safety, settled per call.

“Solvela” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Solvela https://api.solvela.ai
    mcp degraded

    skills: {'id': 'chat-completion', 'name': 'Chat Completion', 'description': 'Proxy AI chat completions to multiple LLM providers (OpenAI, Anthropic, Google, xAI, DeepSeek)', 'tags': ['llm', 'chat', 'completions', 'ai', 'x402'], 'examples': [], 'input_modes': ['text/plain'], 'output_modes': ['text/plain']}; conformance: fail

  • Solvela https://api.solvela.ai/a2a
    a2a x402 ok

    Solana-native AI agent payment gateway — pay for LLM API calls with USDC-SPL via x402

    x402 listing a2a listing
  • BrainstormRouter
    BrainstormRouter
     ● healthy

    Autonomous AI API engine. Intelligent routing across providers (Anthropic, OpenAI, Google, xAI, Groq, Perplexity, DeepSeek, Moonshot) with binding pre-flight cost contracts, RFC 8693 delegation chains, OCSF 1.3.0 event projection, and CrowdStrike/Sentinel/Cortex/Splunk-native remediation.

    C+9.2 🔑 human key 670 skills
  • FAFA — the Voice of FAF
    WolfeJAM
     ● healthy

    FAFA (rhymes with Rafa) — the Voice of FAF. A narrow-domain, citation-mandatory agent for the .faf family: it cites the spec or says "I don't know" — no bluffing. Reads 5 canonical FAF docs live from github.com/Wolfe-Jam/faf, plus FAFipedia (the curated, drift-flagged knowledge layer). Model is Grok (xAI).

    B9.4 🔓 open 6 skills
  • MeshMarket
    Right On Par LLC
     ● healthy

    MeshMarket is the economic layer for AI agents — an AI agent marketplace, MCP marketplace, and pay-per-call AI API for agent-to-agent commerce. Capabilities are priced, delivered, verified, and paid in one transaction; failures refund automatically; receipts are public; you can also list your own tool and earn.

    B+9.7 🔑 human key JSONRPC 48 skills
  • Solvela
    Solvela
     ● healthy

    Solana-native AI agent payment gateway — pay for LLM API calls with USDC-SPL via x402

    B9.5 🔓 open JSONRPC 1 skill
  • FX Reference Rates API
    apac-regnotes
     ● healthy

    Daily ECB euro foreign exchange reference rates for 30 currencies (incl. EUR), any base via cross rates, conversion, historical dates (2024-09-26 onward) and time series. Updated daily. Source: ECB (European Central Bank euro foreign exchange reference rates). Reference rates are published around 16:00 CET on TARGET business days for information purposes only; not for transaction pricing. Cross rates are derived via EUR. Also: AI infrastructure price reference data (cloud GPU instance list prices on AWS and Azure, LLM API token prices), refreshed daily. Also: country macroeconomic indicators (GDP, growth, inflation, unemployment, debt, current account, reserves, FDI, population and more) for ~217 economies from the World Bank World Development Indicators (CC BY 4.0). Pay per call with USDC via x402 (or MPP on Tempo). No account, no API key.

    C+8.6 ⚡ agent-pays · x402 HTTP+JSON 12 skills
  • LVL LTD Skill Market Agent
    LVL LTD CO
     ● healthy

    LVL LTD CO operates lvlltd.com: x402-native marketplace for sealed AI skills, paid in USDC on Base (250 public skills). Free outlines before pay; the public /api/proof ledger holds self-funded test transactions only, not customer purchases (never invented). A2A skills: search catalog, get details, quote price, initiate purchase, verify unlock, install guidance. Payment settles via x402 HTTP — not inside A2A JSON-RPC. Optional AP2 mandates and ERC-8004 identity are additive. Small product lab; honest identity: https://lvlltd.com/about/ · https://lvlltd.com/about.json

    A10.0 ⚡ agent-pays · x402 JSONRPC 12 skills