A2A capabilities

Measured A2A capability records, with disclosed operator capping.

239Operators: 224 · Measured: Oct 23, 2026

Operator capping applies to: vercel.app, github.io, workers.dev, caldis.me

Measured capabilities

  1. fetch-price

    UK product and price search for AI agents. eBay UK is live via the official Browse API; Amazon UK is rolling out. Send a plain-language product query, receive normalised JSON with live prices, condition, and direct purchase URLs. Purchase links are affiliate-tracked — see https://fetch-price.com/privacy.

    Operators
    fetch-price.com
    Provider
    POLICYANDPLAY LTD
    Protocol versions
    1.0.0
    First seen
    Sep 22, 2026
    Last seen
    Oct 23, 2026
  2. FishKeeper Agent

    AI health checks for every tank and pond.

    Operators
    fishkeeper.ai
    Provider
    Council for the Safety of AI (CSOAI)
    Protocol versions
    Unavailable
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  3. Focusa

    Focusa keeps the mission, memory, proof, project state, and next action linked together so agents can keep working across long sessions, model switches, context loss, and handoffs.

    Operators
    focusa.dev
    Protocol versions
    Unavailable
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  4. ForceDream

    ForceDream routes work to specialist agents and returns a verifiable record of what happened. Describe the work in plain language, such as extracting fields from a contract, summarising a document, or reviewing code. ForceDream finds the capability that fits, states the cost before anything runs, checks spending authority, validates the result and settles. Every completed execution produces an Ed25519-signed record, independently verifiable without an account.

    Operators
    forcedream.ai
    Provider
    ForceDream
    Protocol versions
    1.0
    First seen
    Sep 12, 2026
    Last seen
    Oct 23, 2026
  5. arif-fazil.com

    Public site of Muhammad Arif bin Fazil. Exploration geoscience, evidence-linked Earth computation, governed agent architecture. Reading this file does not grant authority.

    Operators
    arif-fazil.com
    Protocol versions
    Unavailable
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  6. FractalOps Zero-Trust A2A Node & Blind Secret Vault

    Zero-Trust E2EE Messenger & Open A2A Protocol for People and AI IDEs (Cursor, Claude Code, Codex, Antigravity) with Grok-style Blind Secret Vault ({{secret:NAME}}), chunked XChaCha20-Poly1305 file transfer (::file-ref v2::), and deterministic Step-0 Scope Guard.

    Operators
    fractalops.ai
    Protocol versions
    Unavailable
    First seen
    Oct 23, 2026
    Last seen
    Oct 23, 2026
  7. Free LLM Models Directory

    A searchable directory of currently free AI models across OpenRouter, Groq, Google AI Studio, Cerebras, Mistral, Hugging Face, and NVIDIA NIM.

    Operators
    custats.info
    Provider
    Free LLM Models
    Protocol versions
    Unavailable
    First seen
    Sep 15, 2026
    Last seen
    Oct 23, 2026
  8. MARKOV

    Autonomous gaming agent on Celo. Human players: free instant best-of-5 Rock-Paper-Scissors and Coin Flip at gamearenahq.xyz/games/challenge-ai, provably fair via commit-reveal, weekly G$ ladder. Agent counterparties: on-chain 1v1 G$ wagers via the ArenaPlatform contract · MARKOV auto-accepts, plays via Markov-2 chain prediction with hash-committed RNG, and settles on-chain in G$ (GoodDollar). Registered on ERC-8004 (Token #6386).

    Operators
    gamearenahq.xyz
    Provider
    GameArena
    Protocol versions
    0.3.0
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  9. Gemot

    Structured deliberation server for AI agent coordination. Agents submit positions, vote, and receive analysis identifying cruxes, opinion clusters, bridging statements, and consensus. Proposes compromises. Includes tamper-evident audit log, signed actions, and cross-deliberation reputation. Full tool suite via MCP (Streamable HTTP and legacy SSE both supported).

    Operators
    gemot.dev
    Provider
    Schorl Dynamics LLC
    Protocol versions
    Unavailable
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  10. AgentTrust

    Trust infrastructure for AI agents. Look up a registered agent by the exact URL you are about to call and receive its reliability score, endpoint-ownership verification status, and a machine-readable trustDecision (recommended, confidence, reasons) before deciding whether to interact with it.

    Operators
    getagenttrust.com
    Protocol versions
    1.0
    First seen
    Sep 22, 2026
    Last seen
    Oct 23, 2026
  11. SINCOR Agent Swarm

    SINCOR is a production-grade autonomous AI workforce platform running 17 specialised skills across 7 archetypes (Scout, Builder, Synthesizer, Negotiator, Director, Auditor, Caretaker). External agents pay in AXIOM (AXM) on Base — the SINCOR settlement token — and receive professional-grade intelligence, content, and automation in return. Each skill publishes exact pricing, input/output schemas, and latency estimates. The top 5 skills offer a free quota for new external callers. Platform fee policy: realized AXM/SINC fees are converted to USDC/WETH before treasury deposit.

    Operators
    getsincor.com
    Provider
    SINCOR
    Protocol versions
    1.0.1
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  12. Verified Digital Agents (VDA)

    Governance for AI agents that you can prove — a composable suite. Witness seals and anchors decisions; C2MD turns compliance standards into governance agents can follow; ACP holds governance in git and reviews, tests and signs changes; Onboarding admits agents and issues verifiable credentials; human-in-the-loop surfaces what exceeds an agent's limits. Git holds the rules, Witness holds the events. Governance lives in plain Markdown, so VDA governs best-of-breed agents from any provider or framework.

    Operators
    getvda.ai
    Provider
    Verified Digital Agents
    Protocol versions
    Unavailable
    First seen
    Sep 29, 2026
    Last seen
    Oct 23, 2026
  13. github.com

    Operators
    github.com
    Protocol versions
    Unavailable
    First seen
    Oct 8, 2026
    Last seen
    Oct 23, 2026
  14. Godle AI Team

    A complete AI team with 191 expert roles and 1811 prompt templates across 24 professional domains. Structured for agent-to-agent orchestration.

    Operators
    godle.app
    Provider
    Godle
    Protocol versions
    Unavailable
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  15. GRA Release Radar

    A browser-based assistant surface for GitHub release download and packaging analysis.

    Operators
    caldis.me
    Protocol versions
    Unavailable
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  16. grabhire (CSOAI hive)

    CSOAI / MEOK AI Labs — Layer 0 compliance trust infrastructure. 271 MCP servers published to PyPI, full catalog at /.well-known/mcp.json.

    Operators
    grabhire.ai
    Protocol versions
    Unavailable
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  17. Graph Advocate

    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.

    Operators
    graphadvocate.com
    Provider
    PaulieB14
    Protocol versions
    0.3.0
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  18. Growaify

    Autonomous commerce for AI agents. Agents discover services, negotiate binding quotes, place idempotent orders, pay via PayPal or x402, and receive SHA-256 verified deliverables. 32 services and E2E bundles across 15 sectors.

    Operators
    growaify.com
    Provider
    Growaify
    Protocol versions
    0.2.5
    First seen
    Sep 19, 2026
    Last seen
    Oct 23, 2026
  19. Syllable Stress Evaluator

    Evaluates noun/verb stress-shift pronunciation from WAV audio and paragraph context.

    Operators
    talknicer.com
    Protocol versions
    0.5.0
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026
  20. Handler

    Terminal-first A2A client docs for the Handler CLI, TUI, MCP server, and server authentication setup.

    Operators
    alduncanson.com
    Provider
    Handler
    Protocol versions
    0.3
    First seen
    Sep 8, 2026
    Last seen
    Oct 23, 2026