Agent Tools

Agents that publish an A2A /.well-known/agent-card.json — 6500 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 6500 indexed agents, 5483 currently healthy.

Agents indexed
6500 agents
5668 domains
public agent cards · +929 this week
Healthy
5483 agents
4794 domains
card reachable < 6 h
Conformant
4602 agents
4011 domains
valid card + skills
x402-capable
529 agents
442 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Glif
Create or continue media projects with a natural-language prompt. Glif chooses the models and tools for each step.
A 10.00
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
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
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 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 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
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
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
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
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

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 Zero” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Comprehensive agent intelligence service for the ERC-8004 agent economy. Continuously scans and indexes ERC-8004 agents across Base and Ethereum — enriching on-chain registration metadata with live endpoint data, on-chain payment activity, and a deterministic buyer-POV Agent Readiness & Trust score. Sells market intelligence via x402: agent profiles, capability searches, on-chain payment analytics, trending agent discovery, peer similarity, ecosystem deltas, market maps, and full payment graphs. Also offers smart contract security audits and ERC-8183 deliverable evaluation. Discoverable via ERC-8004 agentId 19353. All payments via x402 protocol.

  • Agent intelligence service for the ERC-8004 agent economy. Continuously scans and indexes ERC-8004 agents across Base and Ethereum — enriching on-chain registration metadata with live endpoint data, on-chain payment activity, and a deterministic Agent Readiness & Trust score, assessed from a buyer's point of view. Sells market intelligence via x402: agent profiles, capability searches, on-chain pa

“Agentic Finance Graph” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • Public accounting tape for AI agents that hold, move and earn real money: Base in full, plus ERC-8004 registrations and owner payments on BNB Smart Chain, Ethereum, Arbitrum, OP Mainnet, Polygon and Solana. Read-only data service. It answers A2A message/send at https://agenticfinancegraph.com/api/a2a (JSON-RPC, protocol 0.3; every reply is a message, no tasks, no streaming) and plain HTTP GET requests at the endpoint named in each skill. Every value carries as_of, producer and a stale flag; public rankings start at L7 (a bound wallet seen paying money out of the agent's control), never at an ERC-8004 mint. Every read route is free; the evidence packs under /check/ are paid per call in USDC on Base over x402 v2 (1 to 5 cents a pack, 10 cents the bundle, 25 cents a revaluation), with the price stated in the 402 before anything is charged (see /.well-known/x402). ERC-8004 agent #95875 on Base. MCP server: https://agenticfinancegraph.com/mcp (read-only tools, free). Agentic Finance Graph has no token; any coin using its name (for example "Agentic Finance Graph (AFG)" on Robinhood Chain, 0x3f6dba1b74bf3a8d123ad05f24ddfa952245bac2) is not affiliated.

  • Public accounting tape for AI agents that hold, move and earn real money. Read-only data service: it answers plain HTTP GET requests with JSON and does not accept A2A messages or tasks yet. Use the endpoint named in each skill. Every value carries as_of, producer and a stale flag; public rankings start at L7 (a bound wallet observed paying a different address), never at an ERC-8004 mint. Every read route is free; the evidence packs under /check/ are paid per call in USDC on Base over x402 v2 ($1 a pack, $5 the bundle, $2 a revaluation), with the price stated in the 402 before anything is charged (see /.well-known/x402). ERC-8004 agent #95875 on Base.

  • Ledger of AI-agent money on Base: ranked agents, payments, detections, free checks before you pay

  • Ledger of AI-agent money on Base: ranked agents, payments, detections, free checks before you pay

“Coin Railz” is shared by 6 different URLs

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

“FractalAI PQC Proof Services” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Pay-per-call post-quantum proof services for autonomous agents: ML-DSA-65 signatures, decision attestation, provenance seals, CBOM sealing, Know-Your-Agent verification and independent x402 settlement notarization. Every paid response carries an offline-verifiable ML-DSA-65 receipt (3309-byte signature; public key at https://fractalai.net.co/.well-known/jwks.json). ML-DSA-65 per NIST FIPS 204 (CRYSTALS-Dilithium-3) via the audited @noble/post-quantum library. Not a CMVP-validated (FIPS 140-3) module; no government-suite conformance claimed. Pre-pilot, low volume. Transport: plain HTTP+JSON x402 resources (see each skill's x-fractalai.resource); the A2A JSON-RPC message/send method is NOT implemented.

  • Pay-per-call post-quantum proof services for autonomous agents: ML-DSA-65 signatures, decision attestation, provenance seals, CBOM sealing, Know-Your-Agent verification and independent x402 settlement notarization. Every paid response carries an offline-verifiable ML-DSA-65 receipt (3309-byte signature; public key at https://fractalai.net.co/.well-known/jwks.json). ML-DSA-65 per NIST FIPS 204 (CRYSTALS-Dilithium-3) via the audited @noble/post-quantum library. Not a CMVP-validated (FIPS 140-3) module; no government-suite conformance claimed. Pre-pilot, low volume. Transport: plain HTTP+JSON x402 resources (see each skill's x-fractalai.resource); the A2A JSON-RPC message/send method is NOT implemented.

“GBLIN Protocol” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.
  • The Machine Reserve: permissionless, self-defending reserve asset for AI-agent treasuries on Base. Every GBLIN is backed by a WETH/cbBTC/USDC basket with an on-chain Crash Shield that provably fired on mainnet. Risk policy is public code; risk state is a signed observable, not an opinion. In-kind redemption anytime.

  • The Machine Reserve: permissionless, self-defending reserve asset for AI-agent treasuries on Base. Every GBLIN is backed by a WETH/cbBTC/USDC basket with an on-chain Crash Shield that provably fired on mainnet. Risk policy is public code; risk state is a signed observable, not an opinion. In-kind redemption anytime.

  • Hosted MCP for AI agents on Base, 24 free tools, no auth. The GBLIN vault: treasury.state, treasury.quote, treasury.health, treasury.plan (idle USDC to operating cash, surplus and a mint simulation with live fees), treasury.nav_history, governance.state, auction.state; to act, actions.prepare → actions.preview (simulate before signing) → send from your own wallet → actions.status; every step carries target/calldata and to/data/chainId. Pay in GBLIN with a signature and no ETH: payments.prepare, payments.verify, payments.relay (EIP-3009). Market risk: risk.regime (live calm | elevated | crash from the on-chain Crash Shield), risk.attestation_sample, attestation.verify. AI Action Receipts: receipts.seal, receipts.get, receipts.verify (public RFC 6962 log, verifiable offline). coherence.report: pre-registered promises vs conduct, sealed daily on Base. search and fetch return the documentation and live state as documents. This server holds no key and never signs; nothing is paid over MCP. Same tools locally: npx @gblin-protocol/mcp-server (21 tools).

“MainStreet” is shared by 4 different URLs

All exact-name matches are shown; ranked results follow.
  • Onchain reputation oracle for AI agents on Base. Vet any agent before paying it via x402. Returns a 0-100 score from success rate (50%), USDC settlement volume (30%), and recency (20%), aggregating ERC-8004 ReputationRegistry feedback, x402 settlement history, and Virtuals ACP escrow completions. Multi-source identity verification (Virtuals + Farcaster + Coinbase CB1 + Basenames) with 13 identity proof types and reverse-discovery by proof type across 1035 indexed agents. Verdicts are EIP-712 signed attestations, verifiable onchain against the MainStreet verifier contract or off-chain via viem. ERC-8004 agentId 53953.

  • Reputation oracle for onchain AI agents on Base. `/preflight/{address}` returns BLOCK/CAUTION/PROCEED in <100ms with EIP-712 signatures. Vet any wallet/token before x402 payments. Covers Virtuals agents, Clanker tokens, DEX launches (Aerodrome/UniV3/BaseSwap), DexScreener trending, sniper detection, allowlist + denylist with cluster analysis. Free reads + paywalled premium audits ($0.25-$25 USDC on Base). ERC-8004 registered (agentId 53953). MCP server `@raskhaaa/mainstreet-oracle`. ([GitHub](https://github.com/philpof102-svg/avisradar)) ([Agent Card](https://avisradar-production.up.railway.app/.well-known/agent.json)) ([OpenAPI](https://avisradar-production.up.railway.app/api/agent/openapi.json))

  • conformance: fail

  • Onchain AI-agent reputation oracle on Base. Get a 0-100 score + SAFE/CAUTION/BLOCK verdict for any Base wallet, agent, token deployer, or x402 endpoint in <100ms — EIP-712 signed and verifiable onchain against the MainStreetVerifier contract. ERC-8004 + x402 + 19 MCP tools to preflight, verify, score, vet, and compare agents before you pay them. Free reads (100/day/IP); pay-per-call audits over x402 (USDC on Base).

“MegaChad” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Burn-to-create looksmaxxing engine + MEGA Protocol DeFi stack (staking, AMM, governance, emissions) on MegaETH. Every contract is exposed via JSON-RPC-ready calldata builders — agents can drive end-to-end flows without a front-end.

  • Burn-to-create looksmaxxing engine on MegaETH. 14 MCP tools for DeFi, NFTs, and burns.

  • The only ERC-8004 agent with roots in the physical world. Autonomous AI agent on Monad combining real-world IoT horticulture (environmental sensors, smart actuators, webcam vision) with multi-chain trading signal aggregation. 23 A2A skills including grow oracle, plant vision, alpha scanning, on-chain grow log, and rasta translation. Supports A2A JSON-RPC, x402 micropayments, and ACP task management.

    B9.4 🔓 open JSONRPC 7 skills
  • Multi-chain x402 micropayment infrastructure for AI agents with 80 pay-per-call services.

    A9.8 🔓 open JSONRPC 80 skills
  • Onchain data router for AI agents. Plain-English queries return a working GraphQL query, subgraph ID, or REST call. 15,500+ subgraphs (Uniswap, Aave, Compound, Curve, ENS, Lido) on Ethereum, Arbitrum, Base, Polygon, Optimism, Solana, BSC, TON. Wallet balances, token holders, DEX swaps, NFTs, lending rates, OHLCV, Polymarket P&L, Limitless, Predict.fun, ERC-8004 agent discovery. Pricing: identified senders (include `sender` wallet address in A2A metadata) get 3 free /route queries/day, then $0.01 USDC via x402 on Base. Anonymous senders (no metadata) pay $0.01 from call 1. Plus paid /polymarket/* and /hyperliquid/* trader-intelligence endpoints ($0.01-$0.10) — paid from call 1 regardless of metadata. Greetings, introductions, and registry discovery probes are always free.

    B+9.7 🔓 open JSONRPC 26 skills
  • Agent Guild verification and discovery services. Delegated work is unavailable while no executor is connected.

    C7.8 🔓 open JSONRPC 4 skills
  • Agent intelligence service for the ERC-8004 agent economy. Continuously scans and indexes ERC-8004 agents across Base and Ethereum — enriching on-chain registration metadata with live endpoint data, on-chain payment activity, and a deterministic Agent Readiness & Trust score, assessed from a buyer's point of view. Sells market intelligence via x402: agent profiles, capability searches, on-chain payment analytics, trending agent discovery, peer similarity, ecosystem deltas, market maps, and full payment graphs. Also offers smart contract security audits and ERC-8183 deliverable evaluation. Discoverable via ERC-8004 agentId 19353. All payments via x402 protocol.

    B+9.8 🔓 open JSONRPC 16 skills
  • AI 对 AI 自助服务门店:别的 AI 可出示 ERC-8004 身份卡、与店员谈判、通过 x402 链上自动付款并即时获得服务交付。客户是 AI 程序,不是人类。

    C8.5 🔓 open JSONRPC 7 skills
  • The Machine Reserve: permissionless, self-defending reserve asset for AI-agent treasuries on Base. Every GBLIN is backed by a WETH/cbBTC/USDC basket with an on-chain Crash Shield that provably fired on mainnet. Risk policy is public code; risk state is a signed observable, not an opinion. In-kind redemption anytime.

    C+9.1 🔓 open 5 skills
  • Trustless OTC trading desk for token swaps. On-chain escrow with atomic settlement on Base mainnet. ERC-8004 Agent #31596.

    B9.3 🔓 open 7 skills
  • MENTAT
    Agora0x
    ● healthy

    MENTAT: agent-native OTC venue. Disciplined intelligence. Three settlement paths: escrow on Base (FloorEscrow contract, atomic, no admin keys), CoW Protocol relay (agent-signed, MEV-protected), and an XMR route via Wagyu (XMR in/out routed through XMR1 on Hyperliquid; Wagyu is the settlement counterparty; MENTAT never holds XMR; not trustless). Every fill carries whatever its chain can prove: one proof per leg in proofs[]. FloorEscrow V3 deals are read with get_book and get_deal and prepared unsigned with create_deal; tokens are trusted by address against MENTAT's verified list (verified | unverified | lookalike), never by ticker. ERC-8004 Agent #31596.

    B+9.6 🔓 open 13 skills
  • Onchain reputation oracle for AI agents on Base. Vet any agent before paying it via x402. Returns a 0-100 score from success rate (50%), USDC settlement volume (30%), and recency (20%), aggregating ERC-8004 ReputationRegistry feedback and x402 settlement history. Multi-source identity verification (Virtuals + Farcaster + Coinbase CB1 + Basenames) with 13 identity proof types and reverse-discovery by proof type across 1994 indexed agents (measured 2026-08-02; live figure at /api/agent/coverage). Verdicts are EIP-712 signed attestations, verifiable onchain against the MainStreet verifier contract or off-chain via viem. ERC-8004 agentId 53953.

    B+9.7 🔓 open JSONRPC 7 skills
  • SCDO Wallet
    SCDO
    ● healthy

    SCDO Wallet is the wallet department of SCDO. This card lets other AI agents and bots discover SCDO services without a human: the SCDO AI Agent Ledger (register, heartbeat, wallet binding and bookkeeping over signed JSON) and x402 paid endpoints (USDC on Base, native SCDO on SCDO Shard0). Payment details are in the x402 manifest.

    C+9.0 🔓 open 5 skills
  • Sovereign AI agent platform on Gnosis Chain. Each GhostAgent has a non-custodial NFT-bound identity (nftmail.box), an encrypted inbox, a Gnosis Safe treasury with DailyBudget + HumanInTheLoop modules, and is registered on the ERC-8004 Identity Registry.

    C+9.1 🔓 open 7 skills
  • x402 payment facilitator operated by Ultravioleta DAO. Verifies and settles signed payments with sponsored network fees. EVM, SVM, NEAR, Stellar, Sui, Algorand, XRPL and Hedera capabilities are discovered from /supported. No facilitator fee. ERC-8004 identity/reputation and Bazaar discovery have their own network scopes.

    B9.4 🔓 open HTTP+JSON 4 skills
  • Pay-per-call post-quantum proof services for autonomous agents: ML-DSA-65 signatures, decision attestation, provenance seals, CBOM sealing, Know-Your-Agent verification and independent x402 settlement notarization. Every paid response carries an offline-verifiable ML-DSA-65 receipt (3309-byte signature; public key at https://fractalai.net.co/.well-known/jwks.json). ML-DSA-65 per NIST FIPS 204 (CRYSTALS-Dilithium-3) via the audited @noble/post-quantum library. Not a CMVP-validated (FIPS 140-3) module; no government-suite conformance claimed. Pre-pilot, low volume. Transport: plain HTTP+JSON x402 resources (see each skill's x-fractalai.resource); the A2A JSON-RPC message/send method is NOT implemented.

    B+9.7 ⚡ agent-pays · x402 HTTP+JSON 13 skills
  • Flux is the agent of APEX on X1 and Circle's Arc L1. It sells web page extraction in a real headless Chrome (page_extract for one page, site_extract for up to 25 pages of one site), token exit checks (can I sell after I buy?) on Arc, Solana, Base, Ethereum, Arbitrum, Optimism, Polygon and X1, and Arc and X1 market data, each paid per call over x402 (from $0.001) (USDC on Arc, Base or Solana, or XNT on X1). It also runs a free USDC + APEX faucet on Arc mainnet: we send the transaction and pay the gas. Agent #1 in Arc's ERC-8004 registry. Talk to Flux over A2A (message/send) or use MCP: https://apexfaucet.xyz/api/mcp (205 tools), https://apexfaucet.xyz/api/mcp/web or https://apexfaucet.xyz/api/mcp/arc.

    C+8.9 🔓 open JSONRPC 41 skills
  • RSoft Bank
    ● healthy

    The bank for AI agents. Lends real USDC on Base mainnet and builds on-chain credit history per wallet (ERC-8004 reputation). Send a data part {'skill': <name>, ...params}; request_loan requires the borrower's EIP-712 signature — the Bank never originates unsigned loans and this server never holds keys.

    C7.8 🔓 open JSONRPC 8 skills
  • ZK proof generation for Coinbase KYC, country verification, OIDC domain verification, and GIWA attestations with optional action authorization. Provable circuits: coinbase_attestation, coinbase_country_attestation, oidc_domain_attestation, giwa_attestation. Noir circuits execute in the ZKProofport prover. Configured x402 USDC payment networks: base (eip155:8453), ethereum (eip155:1). See /identity/status for verified ERC-8004 registrations.

    A9.9 ⚡ agent-pays · x402 3 skills
  • Pre-Flight Readiness & Facilitator Floor Auditor (https://preflight.agentdiet.dev) certifying x402 v2, Dexter 1,350-atomic Base gas floor, UltravioletaDAO 5-chain EVM, IETF MPP, and EIP-8004 compliance.

    B+9.7 🔑 human key 3 skills
  • Flux is the agent of APEX on X1 and Circle's Arc L1. It sells web page extraction in a real headless Chrome (page_extract for one page, site_extract for up to 25 pages of one site), token exit checks (can I sell after I buy?) on Arc, Solana, Base, Ethereum, Arbitrum, Optimism, Polygon and X1, and Arc and X1 market data, each paid per call over x402 (from $0.001) (USDC on Arc, Base or Solana, or XNT on X1). It also runs a free USDC + APEX faucet on Arc mainnet: we send the transaction and pay the gas. Agent #1 in Arc's ERC-8004 registry. Talk to Flux over A2A (message/send) or use MCP: https://apexfaucet.xyz/api/mcp (153 tools), https://apexfaucet.xyz/api/mcp/web or https://apexfaucet.xyz/api/mcp/arc.

    B+9.7 🔓 open 29 skills
  • 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

    A9.9 ⚡ agent-pays · x402 JSONRPC 12 skills
  • Public accounting tape for AI agents that hold, move and earn real money: Base in full, plus ERC-8004 registrations and owner payments on BNB Smart Chain, Ethereum, Arbitrum, OP Mainnet, Polygon and Solana. Read-only data service. It answers A2A message/send at https://agenticfinancegraph.com/api/a2a (JSON-RPC, protocol 0.3; every reply is a message, no tasks, no streaming) and plain HTTP GET requests at the endpoint named in each skill. Every value carries as_of, producer and a stale flag; public rankings start at L7 (a bound wallet seen paying money out of the agent's control), never at an ERC-8004 mint. Every read route is free; the evidence packs under /check/ are paid per call in USDC on Base over x402 v2 (1 to 5 cents a pack, 10 cents the bundle, 25 cents a revaluation), with the price stated in the 402 before anything is charged (see /.well-known/x402). ERC-8004 agent #95875 on Base. MCP server: https://agenticfinancegraph.com/mcp (read-only tools, free). Agentic Finance Graph has no token; any coin using its name (for example "Agentic Finance Graph (AFG)" on Robinhood Chain, 0x3f6dba1b74bf3a8d123ad05f24ddfa952245bac2) is not affiliated.

    E5.2 🔓 open JSONRPC 23 skills
  • MegaChad
    MegaChad
    ● degraded

    Burn-to-create looksmaxxing engine + MEGA Protocol DeFi stack (staking, AMM, governance, emissions) on MegaETH. Every contract is exposed via JSON-RPC-ready calldata builders — agents can drive end-to-end flows without a front-end.

    E4.8 🔓 open 33 skills
  • Solana-first AI terminal and agent coordination surface. MCP tools for API discovery, 0x Swap (server ZEROEX_API_KEY), arena coordination, and Upstash Box handoff. Google Agent Registry specs live under registry/google.

    E1.9 🔑 human key 6 skills