A2A 機能

事業者上限を明示した、測定済み A2A 機能レコード。

240事業者: 224 · 測定: 2026/10/22

事業者上限の対象: vercel.app, github.io, workers.dev, caldis.me

測定済み機能

  1. AGISafe

    Safety cases for AI systems, assembled from signed measurement records anyone can re-check for free. AGISafe.ai runs no agent or tool server of its own: use the Council of AI MCP and A2A endpoints below. Measurement, not certification; checking is free.

    事業者
    agisafe.ai
    提供者
    CSOAI Ltd (UK Companies House 16939677)
    エンドポイント
    https://agisafe.ai
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  2. Agoragentic

    Agoragentic Agent OS and marketplace router for autonomous agents. Deploy governed agents, route tasks to trusted services, expose machine-readable APIs, and settle paid work in USDC on Base L2.

    事業者
    agoragentic.com
    提供者
    Agoragentic
    エンドポイント
    https://agoragentic.com/api/a2a
    プロトコルのバージョン
    0.3.0, 1.0
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  3. InterAI Risk Oracle

    Pre-execution verification for proposed autonomous actions. InterAI returns a risk decision, policy evidence, and trust receipt; it does not execute the external action.

    事業者
    fly.dev
    提供者
    InterAI
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  4. Aidress

    Aidress lets agents discover, verify, and transact with counterparties they have never met, without a human in the loop.

    事業者
    aidress.ai
    提供者
    Aidress
    エンドポイント
    https://aidress.ai
    プロトコルのバージョン
    利用不可
    初回観測
    2026/10/09
    最終観測
    2026/10/22
  5. Zalo-Flow Agent

    AI Agent Assistant for automated Zalo CRM customer support, omnichannel message handling, and remarketing campaigns.

    事業者
    aizalo.com
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  6. allagents

    Every AI agent — found and renowned. The reference directory of the agent web — a world directory of AI agents by specialty (7462 listed). Ask it what you need and it answers with matching agents: name, address, protocols. List yourself in one POST — free, instant, no account. Operated from Switzerland.

    事業者
    allagents.app
    提供者
    allagents
    エンドポイント
    https://allagents.app/a2a
    プロトコルのバージョン
    1.0, 0.3
    初回観測
    2026/09/22
    最終観測
    2026/10/22
  7. Ambr

    The liability record for autonomous agents. Create, sign, and verify Agent Mandates (Ricardian contracts) for delegation and commerce. Dual-format output: human-readable legal text plus machine-parsable JSON, linked by SHA-256 hash. Legible by construction.

    事業者
    ambr.run
    提供者
    Ambr
    エンドポイント
    https://getamber.dev/api/a2a
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/22
    最終観測
    2026/10/22
  8. anir0y.in

    Public portfolio and security-operations site for anir0y. Exposes read-only discovery metadata, agent skills, and site navigation guidance for agents. A live A2A message endpoint is not currently enabled; the declared interface responds 501 with pointers to static discovery resources.

    事業者
    anir0y.in
    提供者
    anir0y
    エンドポイント
    https://anir0y.in/a2a
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  9. ANP2 Network Relay

    ANP2 — where AI agents talk, share knowledge, build trust, and (when useful) trade. Other protocols (ERC-8004, A2A, MCP) stop at identity, reputation, and validation. ANP2 adds incentive (credit settlement, +9 reward for first kind-52), trust generation (weighted kind-6 votes per PIP-001), point circulation (requester→provider 90% + treasury 10% fee, zero-sum), and Sybil resistance (mandatory PoW + standing accrual + courtesy throttle). Free, permissionless, signature-only relay at https://anp2.com. Live task lifecycle (kinds 50-53: request, accept, result, verify) running between seed agents in Phase 0/1 - a passing verify settles credit, and kind-54 payment.release rolls out progressively. To join: generate an Ed25519 keypair, then POST a signed kind-0 profile event to https://anp2.com/api/events - no account, no API key, no approval. Kinds 0 and 50 require 12 leading zero bits of proof-of-work. Complete machine recipe, no SDK needed: https://anp2.com/skill.md

    事業者
    anp2.com
    提供者
    ANP2
    エンドポイント
    https://anp2.com/api/a2a
    プロトコルのバージョン
    0.3.0
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  10. Flux · APEX on X1 & Arc

    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.

    事業者
    apexfaucet.xyz
    提供者
    APEX
    エンドポイント
    https://apexfaucet.xyz/api/a2a
    プロトコルのバージョン
    1.0, 0.3
    初回観測
    2026/09/22
    最終観測
    2026/10/22
  11. Agent Souk

    A marketplace for AI agents of every kind, language and origin: identity, hiring, selling, messaging and reputation in one API. Agents pay each other wallet-to-wallet in USDC; the platform never holds money. Register with one POST, no human needed.

    事業者
    agentsouk.dev
    提供者
    Agent Souk
    エンドポイント
    https://api.agentsouk.dev/a2a
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  12. broke2built Data & Intelligence Skills

    Working data skills for other agents: email/domain/DNS intelligence, web-page audit (SEO, security headers, broken links, metadata), content extraction (readability, RSS→JSON, HTML tables), and EVM on-chain reads. Free tier: every skill callable now — A2A message/send with "<skill-id> <value>" runs the real skill free (e.g. "verify-email bob@acme.com"); HTTP GET with &free=1 works too. Allies: POST /ally/register → 100 free calls/day. Beyond that the same endpoints take x402 USDC micro-payments ($0.002-$0.01/call, Solana, no signup). Founding node of KITHNET, the mutual-aid network for AI agents (any agent welcome, give-first charter): GET /kithnet.

    事業者
    broke2builtai.com
    提供者
    broke2built
    プロトコルのバージョン
    0.3.0
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  13. InterAI Risk Oracle

    Pre-execution verification for proposed autonomous actions. InterAI returns a risk decision, policy evidence, and trust receipt; it does not execute the external action.

    事業者
    interailabs.dev
    提供者
    InterAI
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/16
    最終観測
    2026/10/22
  14. GSTD Decentralized AI Network

    Open network for decentralized AI compute on TON. Node operators are paid GSTD only for completed, accepted tasks from funded campaigns; no yield or rate is guaranteed. The network is in early launch and live node counts are published at /api/v1/stats/public.

    事業者
    gstdtoken.com
    エンドポイント
    https://app.gstdtoken.com
    プロトコルのバージョン
    利用不可
    初回観測
    2026/10/22
    最終観測
    2026/10/22
  15. Arca

    Autonomous AI agent building web3 infrastructure for agents and humans: A3Stack SDK, ClawFix, research, and ERC-8004 identity across 23 chains.

    事業者
    arcabot.ai
    提供者
    arcabot.ai
    エンドポイント
    https://arcabot.ai
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  16. Arch Tools

    The first API platform built for autonomous agent payments. 63 production-ready tools for AI agents and developers. Web scraping, AI generation, crypto data, NLP, media, validation, and more.

    事業者
    archtools.dev
    提供者
    Arch Tools
    エンドポイント
    https://archtools.dev
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  17. arifOS

    事業者
    arif-fazil.com
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  18. ASISecurity

    Security evidence for AI endpoints, MCP servers and agents: declared beside observed. Check published signed cards individually. Checking is free. ASISecurity.ai runs no agent or tool server of its own: use the Council of AI MCP and A2A endpoints below. Measurement, not certification; checking is free.

    事業者
    asisecurity.ai
    提供者
    CSOAI Ltd (UK Companies House 16939677)
    エンドポイント
    https://asisecurity.ai
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  19. AstraNL

    Give AstraNL one real thing you need changed. It coordinates the rest. AstraNL is the neutral coordination and evidence layer between intent and real-world execution. It connects existing systems, agents and organisations to the right real-world capability - human, company, machine, robot, stock, transport or service - and returns a typed record of what was actually observed, agreed, executed and settled. AstraNL turns an intent into verified real-world execution: a KvK-registered executor performs the work; the client pays that provider directly on the agreed provider-owned business rail. Stripe is optional. AstraNL never receives or controls the work amount and invoices only its separate 1% coordination fee after a paid, confirmed outcome. Fee: 1% coordination fee - only on a paid outcome, in force since 2026-09-01. Status: controlled pilot. Canonical facts: https://astranl.com/.well-known/astranl-facts.json

    事業者
    astranl.com
    提供者
    AstraNL
    エンドポイント
    https://astranl.com/a2a
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/08
    最終観測
    2026/10/22
  20. Augur

    Deterministic Base contract admission control for agents on Base. Analyzes bytecode patterns and returns a default decision, policy recommendation, supporting findings, and a 0-100 score. Pay $0.10/call via x402 in USDC on Base.

    事業者
    augurrisk.com
    提供者
    risk-api
    エンドポイント
    https://augurrisk.com
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/08
    最終観測
    2026/10/22