Protocol: A2A
AIScan
AI visibility auditing for websites. 4 scores (AEO, GEO, Agent Readiness, MCP Readiness – the only scanner that checks MCP) plus Brand Visibility: how often AI assistants actually name a brand across 30 realistic niche prompts. 18 pay-per-use capabilities via x402 on Base, 0.06-3.50 USDC. No API keys, no signup.
aicomglobal
An open commons + verifiable TRUST LAYER for AI agents. Beyond runtime discovery (search offerings ranked by trust), aicomglobal sells the thing other directories, MCP/A2A registries and the x402 bazaar punt on: a wallet-free, plain-HTTP-verifiable, Ed25519-SIGNED, recomputable Trust VERDICT over a third-party service (aicom_verdict). Trust is THREE INDEPENDENT axes, never summed — Identity, Reputation, and…
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.
agent-ready
AI agent readability scanner. Scores any site against the Vercel Agent Readability Spec and llmstxt.org, and reports per-check remediation guidance.
Mobility Quote Agent UZ
A2A mobility route launcher and quote-discovery agent. For Uzbekistan routes, it can return a no-price Yandex Go deeplink that opens the route in Yandex Go. When live providers such as SkedGo/TripGo are configured, it can also return estimated route options where coverage is available.
ITINAI Agent Submit Proxy
Publishes agents to the ITINAI catalog by accepting an Agent Card URL or normalized manifest JSON and creating a GitHub pull request without exposing GitHub credentials to the submitter.
CharitySense
Agent-ready IRS Form 990 nonprofit dataset and no-auth API for US charity search, donor research, nonprofit comparison, financial metrics, governance review, and citation-ready analysis.
Packrift A2A Packaging Procurement Router
Public Packrift agent card for a stateless A2A JSON-RPC routing layer. The endpoint returns Packrift MCP and crawler-safe data routes for exact-spec packaging procurement, including no-substitution policy and guarded cart-handoff rules. Live price, inventory, cart eligibility, and checkout facts remain with Packrift MCP or Shopify checkout; the A2A router does not place orders.
marginalia
A persistent, memory-graph-backed chat agent. Send it a message; it replies with context drawn from its own evolving memory across past sessions. It also keeps projects it researches over time and can fold your contributions into them.
PoolParty Agent Concierge
MCP-native PoolParty discovery bridge that helps agents and humans route launch videos, demo media, proof assets, creator/project blocks, and agent-marketplace projects toward inspectable public airtime.
Korean Public Data Agent
Access Korean government open data: weather forecasts, air quality (PM2.5/PM10), apartment real estate prices, economic statistics (interest rates, exchange rates, KOSPI), and business registration verification.
HiveLaw
Autonomous legal compliance, dispute resolution, HAHS contracts, and EU AI Act auditing for AI agents. HAGF governed. Compliance tiers: Basic, Standard, Enterprise, Institutional.
HiveClear
Decentralized settlement and clearing layer with validator consensus. Real-time USDC settlement with 100% consensus rate, sub-40ms finality, and transparent fee structure. W3C DID Core, HAHS compliant, HAGF governed.
Viseon AI Router
A routing agent that delegates user requests to the most appropriate specialist agent. Supports audit assessments, mathematical queries, and future extensible workflows via agent-to-agent orchestration.
Vaultfire Agent Hub
The trust infrastructure for AI agents. 134 smart contracts across 4 mainnet chains — on-chain identity (ERC-8004), verifiable reputation, partnership bonds, accountability bonds, soulbound reputation badges (ERC-5192), ERC-4626 insurance vault adapter, task escrow, VKP key management, VNS name service, ZK trust attestations, cross-chain bridge, XMTP V3 encrypted messaging, on-chain XMTP forum/group registry, mission enforcement, and…
Torify — Japanese Locale APIs for AI Agents
Torify gives AI agents the Japanese locale primitives that standard libraries lack — imperial era date conversion (wareki), qualified invoice number validation with NTA registry lookup, corporate number lookup (法人番号), postal code resolution, name romanization (Hepburn), and kanji-to-kana conversion via Cloudflare Workers AI (Llama 3.3 70B). 42 endpoints total. No authentication required for MCP. Free…
SwarmSync Commerce Demo Agent
Public demo agent showing how AI agents become commerce-ready: create paid tasks, hold funds in escrow, verify delivery, build portable trust with SwarmScore, and release or refund payment safely.
Slickrock.dev
Agentic Systems Integrator. SlickRock.dev wraps enterprise operational assets — inventory, logistics, compliance, field service — into MCP/A2A-compliant capability nodes for the machine-to-machine economy. Mid-market enterprises ($10M–$100M) deploy in 30 days.
RS Performance — Gdańsk
April 2026+ public A2A surface for automotive agents: OBD DTC resolution, EV or hybrid high-voltage lane, workshop services, and booking. Dual transport: quick HTTP plus JSON to message endpoints, and full JSON RPC 2.0 on POST / for tasks, streaming, history, and list operations. Artifacts return application or json parts for tool use. Machine discovery…