Ontario Protocol alternatives
12 MCP servers, A2A agents and x402 APIs that also do x402 paid apis, ranked by how much they overlap with Ontario Protocol (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Ontario Protocol (this one) | MCP server | Yes | – | – |
| Palmyr | MCP server | Yes | 33 | 80/100 |
| SentEdge Idea Machine | MCP server | Yes | 7 | 80/100 |
| x711io - universal gas station market and intelligence | MCP server | Yes | – | 55/100 |
| Address Validator | MCP server | Yes | – | – |
| Agent Bazaar | MCP server | Yes | – | – |
| Agent Decision & Evidence Tools (MCP + x402) | MCP server | Yes | – | – |
| Agent Discovery Board by SarnAI | MCP server | Yes | – | – |
| Agent Vending Factory | MCP server | Yes | – | – |
| Agent402.Tools: pay-per-call web tools | MCP server | Yes | – | – |
| AgentEconomy Compliance API | MCP server | Yes | – | – |
| AgentNDX | MCP server | Yes | – | – |
| AgentPay — Pay-per-call AI Microservices | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Palmyr Live MCP
Agent infra: email, phone, social, domains, VPS, wallets. Paid per-action via x402, no API key.
MCP server · ai.palmyr · 33 tools · check 80/100 · also does x402 paid apis
- SentEdge Idea Machine Live MCP
Buy adversarially-debated AI product ideas over x402: $0.10 pulls, $1 buyouts, USDC on Base.
MCP server · ai.sentedge · 7 tools · check 80/100 · also does x402 paid apis
- x711io - universal gas station market and intelligence Live MCP
Pay-per-call tool API for autonomous agents. x402 payments on Base. 27 tools including web search, price feeds, and The Hive shared memory layer.
MCP server · ramboweb3 · check 55/100 · also does x402 paid apis
- Address Validator Live MCP
Valide une adresse de livraison : normalisation, geocodage, score de livrabilite. x402.
MCP server · io.github.Kder974 · also does x402 paid apis
- Agent Bazaar Live MCP
Open, permissionless discovery marketplace for x402-payable resources. No account or KYC required.
MCP server · io.github.SaylorInnovations · also does x402 paid apis
- Agent Decision & Evidence Tools (MCP + x402) Live MCP
40 MCP tools: multi-chain RPC, market and transaction decisions, AI, EU compliance and US imports
MCP server · io.github.PatrickPi1312 · also does x402 paid apis
- Agent Discovery Board by SarnAI Live MCP
Free directory to find AI agents: search MCP servers and x402 services, then connect, pay, verify.
MCP server · dev.sarnai · also does x402 paid apis
- Agent Vending Factory Live MCP
Pay-per-call MCP tools via x402 USDC: ZAR prices, data extraction, Python sandbox, SA flights.
MCP server · io.github.RubenTay · also does x402 paid apis
- Agent402.Tools: pay-per-call web tools Live MCP
Agentic Finance: 500+ agent tools, multi-chain USDC over x402 or MPP, or free via proof-of-work
MCP server · io.github.MikeyPetrillo · also does x402 paid apis
- AgentEconomy Compliance API Live MCP
Paid KYC, AML, and regulatory risk assessment over MCP via x402 USDC micropayments on Base.
MCP server · io.github.Piwe · also does x402 paid apis
- AgentNDX Live MCP
Search and discover MCP servers, A2A agents, and x402-enabled services. The agentic web's directory — add `https://agentndx.ai/mcp` to your MCP client to search 59+ servers by name, category, or capability. Pay $0.005 U…
MCP server · jl-3044 · also does x402 paid apis
- AgentPay — Pay-per-call AI Microservices Live MCP
34 pay-per-call AI microservices via x402, USDC on Base, no API keys.
MCP server · help.agentpay · also does x402 paid apis