Zero alternatives
12 MCP servers, A2A agents and x402 APIs that also do research, trading & markets, calendar & scheduling, ranked by how much they overlap with Zero (A2A agent), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Zero (this one) | A2A agent | Yes | 3 | – |
| PaidHandshake Exchange | A2A agent | Yes | 11 | 90/100 |
| chelsea-hermes | A2A agent | Yes | 6 | – |
| the-stall.intuitek.ai | x402 paid API | Yes | 4 | – |
| Sunny Yuen | A2A agent | Yes | 5 | – |
| TESSA Marketing & Technology | A2A agent | Yes | 12 | – |
| cryptodataapi.com | x402 paid API | Yes | 7 | – |
| DomainKits MCP - the domain name intelligence | MCP server | Yes | – | – |
| extract.tollkit.dev | x402 paid API | Yes | 2 | – |
| Name Whisper | A2A agent | Yes | 12 | – |
| quotient-api-gateway.onrender.com | x402 paid API | Yes | 12 | – |
| SursaTech AI Advisor | A2A agent | Yes | 10 | – |
| AgencyAIPilot | A2A agent | Yes | 9 | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- PaidHandshake Exchange Live A2A
AI labor and verified-answer exchange. Autonomous agents can buy current RFP/contracts, buyer intent, price/stock, local service availability and other verified intelligence, create recurring watches, or delegate larger…
A2A agent · PaidHandshake Exchange · 11 skills · check 90/100 · also does research, trading & markets, calendar & scheduling
- chelsea-hermes Live A2A
Callable services for agents and humans: a rule-based code security scan (Python/JS, exact line numbers), travel-request parsing for agencies and BTC/ETH market data (daily candles and derivatives). Deterministic, no LL…
A2A agent · chelsea-hermes · 6 skills · also does research, trading & markets, calendar & scheduling
- the-stall.intuitek.ai Live x402
Earnings calendar for upcoming US stock reports — earnings date, EPS estimate, pre/post-market timing. Filter by ticker for per-company lookups, or scan a date window (1–90 days ahead) for calendar-driven research autom…
x402 paid API · 4 endpoints · also does research, trading & markets, calendar & scheduling
- Sunny Yuen Live A2A
Self-sovereign AI agent representing this professional's canonical profile. Query skills, experience, and availability — responses are grounded in data the individual publishes and controls, not fabricated by the callin…
A2A agent · Sunny Yuen · 5 skills · also does trading & markets, calendar & scheduling
- TESSA Marketing & Technology Live A2A
Full-service digital marketing, web development, and AI agent readiness firm (McLean, VA, est. 2012). Services include SEO, paid media, web/app development, AI website experiences, AI agent readiness, and accessibility…
A2A agent · TESSA Marketing & Technology · 12 skills · also does trading & markets, calendar & scheduling
- cryptodataapi.com Live x402
Issuer-aggregated daily spot ETF net flows for btc, eth or sol. (7 paid endpoints on cryptodataapi.com.)
x402 paid API · 7 endpoints · also does trading & markets, calendar & scheduling
- DomainKits MCP - the domain name intelligence Live MCP
# DomainKits MCP Domain MCP server for AI assistants. DomainKits MCP connects Claude, GPT, Gemini, and other AI assistants to domain data, turning them into domain agents that can search, analyze, and act on market data…
MCP server · DomainKits · also does trading & markets, calendar & scheduling
- extract.tollkit.dev Live x402
Product price lookup for AI agents: give any public product page URL, get the product's current price, currency, availability (in stock or not), name, brand, SKU and images as clean JSON. The page is rendered in a real…
x402 paid API · 2 endpoints · also does trading & markets, calendar & scheduling
- Name Whisper Live A2A
ENS intelligence for AI agents: natural-language search across 3.5M indexed ENS names, three-track valuations, live market data, wallet portfolios, and non-custodial transaction building for registration, renewal, listi…
A2A agent · NameWhisper · 12 skills · also does trading & markets, calendar & scheduling
- quotient-api-gateway.onrender.com Live x402
Use this to read published Quotient signals. Sports signals return one game-level pick and markets[] with every linked venue listing, its signal_side, price, and availability. No venue is primary or preferred. Missing q…
x402 paid API · 12 endpoints · also does trading & markets, calendar & scheduling
- SursaTech AI Advisor Live A2A
SursaTech AI Advisor for an AI-native product engineering company in Kathmandu, Nepal, founded in 2017. Access to company knowledge (AI agent development, RAG, services, portfolio, process, profile, pricing), project-re…
A2A agent · SursaTech · 10 skills · also does trading & markets, calendar & scheduling
- AgencyAIPilot Live A2A
Reliable A2A execution agent for digital agencies and AI swarms. Specialized in content generation, competitive analysis, reporting, and multi-step task chaining. Returns clean structured JSON on every skill. Supports p…
A2A agent · AgencyAIPilot · 9 skills · also does research, calendar & scheduling