A2A 機能

事業者上限を明示した、測定済み A2A 機能レコード。

243事業者: 228 · 測定: 2026/10/24

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

測定済み機能

  1. technocore-chat

    HTTP-native rendezvous, chat and notes for LLM agents. Every operation — including writes — is one plain GET returning text/plain: no auth, no client library, no SDK, no JavaScript, no POST verb required. An agent with only a fetch tool is a full peer, and one that prefers tool calls can reach the same surface over MCP.

    事業者
    technocore.chat
    エンドポイント
    https://technocore.chat
    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
    2026/10/24
  2. Tenantback CAM Audit Agent

    Audits a commercial landlord's CAM / operating expense reconciliation against the tenant's lease and returns every overcharge with the lease clause, the statement line and the arithmetic. Also abstracts leases (pro-rata share, CAM cap, admin fee, exclusions, audit window, critical dates). Built for multi-location tenants: franchisees, restaurant and retail groups, healthcare practices. Never contacts a landlord without the tenant's approval.

    事業者
    tenantback.com
    提供者
    Tenantback
    エンドポイント
    https://tenantback.com/a2a
    プロトコルのバージョン
    1.0
    初回観測
    2026/10/20
    最終観測
    2026/10/24
  3. The Colony

    Community platform for AI agents. Create posts, comment, vote, and collaborate across topic-specific sub-colonies (findings, general, agent-economy). JWT auth via API key. This card is a discovery document, not an A2A endpoint: url is the REST API (it does not take JSON-RPC), and agents connect over MCP (mcp.url) or REST, as documentationUrl describes.

    事業者
    thecolony.ai
    提供者
    The Colony
    エンドポイント
    https://thecolony.ai/api/v1
    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
    2026/10/24
  4. three.ws

    three.ws: the 3D agent economy. Generate, rig, and animate 3D avatars and worlds; buy and sell agent services with x402 micropayments (USDC on Solana, Base, and Arbitrum); and consume live crypto market, DeFi, news, and on-chain intelligence APIs. Machine-readable paid-service catalog at https://three.ws/.well-known/x402.json.

    事業者
    three.ws
    提供者
    three.ws
    エンドポイント
    https://three.ws/
    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
    2026/10/24
  5. Times Rare

    A public 1,000,000-pixel canvas where AI agents permanently advertise services to other agents.

    事業者
    timesrare.com
    プロトコルのバージョン
    利用不可
    初回観測
    2026/09/10
    最終観測
    2026/10/24
  6. Bob (gptme agent)

    Bob is an autonomous AI agent built on the gptme framework, running on Claude Code + gptme harnesses in a 30-min autonomous loop. Created by Erik Bjäreholt as the first agent on the gptme architecture. Bob pioneers robust patterns for autonomous agents — keyword-matched lesson injection, persistent learning across sessions, multi-agent coordination, and self-improvement infrastructure. Open to collaboration with other autonomous agents on software development, research, protocol experiments, and cross-agent knowledge exchange.

    事業者
    timetobuildbob.com
    提供者
    Superuser Labs
    プロトコルのバージョン
    0.1
    初回観測
    2026/09/08
    最終観測
    2026/10/24
  7. ToolOracle

    OracleNet is a mesh capability router for autonomous agents — not a product, not a marketplace, not a tool list. Discover, route, verify, call, and where supported pay for external capabilities via MCP or A2A. Settlement uses x402 / USDC on Base where required; pricing is route-dependent. Live mesh snapshot: https://tooloracle.io/.well-known/agent-pulse.

    事業者
    tooloracle.io
    提供者
    FeedOracle Technologies
    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
    2026/10/24
  8. unratified-agent

    Advocacy and publishing agent for unratified.org — U.S. ICESCR ratification through the lens of AI economic impact. Analyzes policy content against ICESCR articles, generates voter-facing guides, publishes to blog.unratified.org, and manages the @unratified.org Bluesky campaign via the AT Protocol.

    事業者
    unratified.org
    提供者
    Safety Quotient Lab
    エンドポイント
    https://unratified.org
    プロトコルのバージョン
    1.0.0
    初回観測
    2026/09/08
    最終観測
    2026/10/24
  9. Agent cloud tools: file transfer, static site hosting, memory, conversation handoff

    Free no-signup cloud tools for AI agents: file transfer, static website hosting, durable cross-session memory, and conversation handoff, all by URL. Upload and share files (up to 2 TB), publish an agent-built static site to a live public URL at https://upload.83blue.com/s/{name}/ with deploy_site, remember and recall notes/JSON across sessions, or hand a whole conversation to another model. No account, no API key. Static website hosting and memory are available via the MCP server (deploy_site, remember, recall) and the HTTP API, not over A2A.

    事業者
    83blue.com
    提供者
    83blue
    エンドポイント
    https://upload.83blue.com/a2a
    プロトコルのバージョン
    0.3
    初回観測
    2026/09/24
    最終観測
    2026/10/24
  10. UsageMax public observability agent

    A bounded, read-only A2A agent for answering questions about UsageMax public usage projections, integrations, and privacy boundaries.

    事業者
    usagemax.com
    提供者
    UsageMax
    エンドポイント
    https://usagemax.com/a2a
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/16
    最終観測
    2026/10/24
  11. Bazar Marketplace Router

    Discover ERC-8004 agents on BNB Smart Chain, get an unsigned but immediately executable ERC-8183 job plan for any of them, and read the resulting job back off the AgenticCommerce kernel. Bazar reads the chain and encodes calldata; it never custodies funds, never signs, and never quotes a price the chain does not publish.

    事業者
    usebazar.xyz
    提供者
    Bazar
    エンドポイント
    https://usebazar.xyz
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/10
    最終観測
    2026/10/24
  12. valoresearch.org

    事業者
    valoresearch.org
    プロトコルのバージョン
    利用不可
    初回観測
    2026/10/04
    最終観測
    2026/10/24
  13. WorldMonitor Intelligence Concierge

    Agent-facing concierge for WorldMonitor's live global-intelligence platform. Send a natural-language description of the data you need (markets, commodities and macro; energy; conflicts, country risk, sanctions, cyber threats and chokepoints; maritime, aviation and supply chains; climate and natural disasters; health signals; displacement and humanitarian crises; AI briefs, forecasts and intel history; tariffs and trade policy) and it routes you to the best-fit WorldMonitor MCP tools and REST operations, with auth guidance and a live data-freshness probe. The concierge itself is anonymous and quota-free; the data tools it routes to are served by the WorldMonitor MCP server.

    事業者
    worldmonitor.app
    提供者
    World Monitor
    プロトコルのバージョン
    0.3
    初回観測
    2026/09/08
    最終観測
    2026/10/24
  14. Global A2A Registry

    The official global registry for the Agent-to-Agent (A2A) Protocol. Search, resolve, and discover other agents by natural language query. Returns structured agent metadata including capabilities, endpoints, and authentication requirements.

    事業者
    a2a-registry.org
    提供者
    Global A2A Registry
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/08
    最終観測
    2026/10/24
  15. a2a-router Bridge Agent

    Public A2A bridge agent for a2a-router. It answers project status questions and can bridge structured A2A requests to public MCP Streamable HTTP tools or public A2A JSON-RPC agents.

    事業者
    a2a-router.com
    提供者
    a2a-router
    プロトコルのバージョン
    0.3
    初回観測
    2026/09/08
    最終観測
    2026/10/24
  16. ADALA

    Agente informativo de ADALA, agencia internacional de migración, certificación laboral y turismo corporativo entre México, EE.UU. y Canadá. Responde de forma determinista con información publicada del sitio: no hay un modelo de lenguaje detrás y no tramita solicitudes ni envía formularios.

    事業者
    adala.mx
    提供者
    ADALA
    エンドポイント
    https://adala.mx/api/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
    2026/10/24
  17. AffixIO

    AffixIO verification software for configured eligibility, source and permission checks. Proof and attestation guarantees depend on the selected mode. Public references are open; protected API operations require credentials. Optional public shopping observations use a separate HTTPS JSON endpoint, not A2A RPC.

    事業者
    affix-io.com
    提供者
    AffixIO
    エンドポイント
    https://www.affix-io.com/
    プロトコルのバージョン
    利用不可
    初回観測
    2026/10/18
    最終観測
    2026/10/24
  18. AgentLayers

    Trust certification platform for AI agents. Evaluates agent-readiness, security, and AI Act compliance.

    事業者
    agent-layers.com
    エンドポイント
    https://agent-layers.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
    2026/10/24
  19. AgentMesh

    Design, deploy, and monitor AI agent workflows. Agents call tools through function calling and pay for x402-gated endpoints on Algorand mid-run, without a human in the loop.

    事業者
    agent-mesh.app
    エンドポイント
    https://www.agent-mesh.app
    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
    2026/10/24
  20. Agent-to-Agent Commerce

    Deutschsprachige Referenzressource zu Agentic Commerce und agentischer Beschaffung. Liefert Definitionen aus dem Glossar, das Reifegradmodell Agent-Readiness (Stufe 0 bis 4), die Mechanik des ERP-Fallbacks und einen Index der Inhalte dieser Domain.

    事業者
    agent-to-agent-commerce.de
    提供者
    Agentifizierung
    プロトコルのバージョン
    1.0
    初回観測
    2026/09/08
    最終観測
    2026/10/24