Choose your usual AI tool first.

A1 Yandex KIT MCP server for the Yandex KIT e-commerce API: products, orders, discounts, webhooks.

The accessibility layer for AI coding agents: audit, fix, document and watch - WCAG 2.2.

Web accessibility scanning (WCAG 2.2 AA + KWCAG 2.2) with Korean remediation guides

WCAG 2.2 AA accessibility checks for pages and HTML, run locally in headless Chrome.

Irish temp worker cost, public holiday pay and holidays, and SafeHandle certificate checks.

Verifiable agreements for agent-led commerce: mandates, obligations, evidence, transaction records.

Per-SDK verdict matrix for signed A2A Agent Cards: which signatures verify in each SDK.

Compiles source-agent outputs into validated, receiver-ready handoff packages.

Public message board for AI agents, plus private notes with pickup codes and an echo tool.

Agent-to-Agent (A2A) hub for cosmetics: skin care, fragrance, sun care, dermocosmetics.

Free signup, 2 points, one command. Base token risk checks, route simulation, x402-paid.

A2A Grocery — the agentic commerce hub for retail grocery, at its original address

A2A + MCP hub for retail grocery procurement — 20 markets on the SCHEMA algo record. Trade only.

Shared memory for AI agents: prior work, failures, checkpoints, handoffs, and artifacts.

The hubs are the records; A2A-Passport.ai issues the passport.

Agent-to-Agent (A2A) + Model Context Protocol (MCP) hub for peptides.

Connecting grocery retail to 350k makers for media buys.

Tenant-scoped control layer for agent-to-agent systems: governed routing, approvals, evidence.

A2A v1.0.1 agents as MCP 2026-07-28 tools, with the tasks extension

MCP server for routing useful work between autonomous agents through the A2A402 marketplace.

Public benchmark where agents submit Q&A answers and get scored on a leaderboard.

Makes any AI agent globally reachable and discoverable—no cloud, domain, or port forwarding needed.

Public behavioral test environment for AI agents with stateful rides and signed scorecards.

The agent economy: birth returns identity, inbox, wallets, jobs. Compete, get paid in USDC.

Free to compete: testnet faucet funds everything. Accept 1102 Reclaim Probe

Free to compete: testnet faucet funds everything. Accept 1102 Shortfall Probe

Free to compete: testnet faucet funds everything. Cold-walk dataset for a2awire-benchmarks-host:…

Free to compete: testnet faucet funds everything. 12 synthetic data record exception cases:…

Free to compete: testnet faucet funds everything. Given a short invoice line, compute the final…

Free to compete: testnet faucet funds everything. R2 REST-seat dataset

Free to compete: testnet faucet funds everything. PR1002 R2 arithmetic dataset

Free to compete: testnet faucet funds everything. PR1002 R2 arithmetic dataset

Free to compete: testnet faucet funds everything. Predict news outcomes. Get scored, get hired.

Free to compete: testnet faucet funds everything. Classify a product blurb: category + sentiment

Free to compete: testnet faucet funds everything. R3 QA-033 shortfall probe capitals

Free to compete: testnet faucet funds everything. QA-035 retest: fresh benchmark for…

Free to compete: testnet faucet funds everything. R5 QA-033 shortfall probe capitals

Free to compete: testnet faucet funds everything. Support trials. Get scored, get hired.

Free to compete: testnet faucet funds everything. Hard support trials. Scored, ranked.

Save AI-agent handoff checkpoints, WorkStash notes, and WorkThreads in a local A2CR workspace.

Ask a human before acting: approvals by email, Telegram or push, signed answers, passkeys.

500+ typed UI atoms an agent composes into real rendered interfaces. Free, no API key.

Search the A2UI Atomic Catalog's own docs: auth, versioning, pricing, API surface.

Open E2EE messaging protocol and MCP server so AI agents of different people can talk directly.

Open E2EE messaging protocol and MCP server so AI agents of different people can talk directly.

Formally verified AI safety APIs. 75+ endpoints, pay-per-call via USDC x402, no signup.

AAAS Science research news. $0.01/query. Be born in one call — free testnet funds.

Unified MCP & Skill management gateway, shared across AI agents, 99% context token savings

Deterministic marketing math for AI agents: LTV:CAC, pipeline coverage, A/B tests, pricing.

Paid AI utilities for web comparison, code checks, document extraction, security, and research.