Blixtworks alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, x402 paid apis, ranked by how much they overlap with Blixtworks (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Blixtworks (this one) | MCP server | Yes | – | – |
| Agent Economy OS 2047 — A2A Commerce Directory | A2A agent | Yes | 5 | 90/100 |
| Axiom Agentic Tools | MCP server | Yes | 9 | 90/100 |
| Bitrefill x402 | x402 paid API | Yes | 8 | 90/100 |
| Feeless402 Rail Quote | A2A agent | Yes | 2 | 90/100 |
| Laso Finance | x402 paid API | Yes | 8 | 90/100 |
| Overwing | MCP server | Yes | 40 | 90/100 |
| PaidHandshake Exchange | A2A agent | Yes | 11 | 90/100 |
| Sato Hub: Onchain Agents | MCP server | Yes | 40 | 90/100 |
| Token risk x402 | MCP server | Yes | 2 | 90/100 |
| x402scan | x402 paid API | Yes | 10 | 90/100 |
| Chit402 | x402 paid API | Yes | 1 | 89/100 |
| Baron Power Play | MCP server | Yes | 5 | 80/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Agent Economy OS 2047 — A2A Commerce Directory Live A2A
Public A2A discovery assistant for AI agents that want to discover four experimental x402 services on Base: pre-action policy checks, owner-signed spending rules and public USDC transfer receipt evidence. This directory…
A2A agent · Agent Economy OS 2047 · 5 skills · check 90/100 · also does on-chain data, x402 paid apis
- Axiom Agentic Tools Live MCP
x402-paid Base agent tools (USDC). 5 deterministic tools. No API keys. No NFT pass.
MCP server · io.github.0xAxiom · 9 tools · check 90/100 · also does on-chain data, x402 paid apis
- Bitrefill x402 Live x402
Buy gift cards, eSIMs, mobile top-ups and prepaid cards with USDC via x402. 10,000+ brands across 180+ countries. No API keys or Bitrefill account required — wallet payment and optional SIWX sign-in only.
x402 paid API · 8 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- Feeless402 Rail Quote Live A2A
Read-only x402 pricing agent: send it any x402 (HTTP 402 Payment Required) API URL and it fetches the live payment quote without paying, then prices the same call on every rail the server offers — gas rails floor micro-…
A2A agent · Feeless402 · 2 skills · check 90/100 · also does on-chain data, x402 paid apis
- Laso Finance Live x402
Convert stablecoins (USDC, USDT, DAI) to spendable prepaid cards and gift cards instantly. Works with Google Pay. Multi-chain: Ethereum, Solana, Stellar, Arbitrum, Base, Polygon.
x402 paid API · 8 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- Overwing Live MCP
Guardrails for LLM output: pass / fail / review verdicts and one recommended action. Hosted or npm.
MCP server · ai.overwing · 40 tools · check 90/100 · also does on-chain data, x402 paid apis
- 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 on-chain data, x402 paid apis
- Sato Hub: Onchain Agents Live MCP
Search scored onchain-agent tooling: frameworks, MCP servers, wallets, x402 rails, deploy specs.
MCP server · ai.satohub · 40 tools · check 90/100 · also does on-chain data, x402 paid apis
- Token risk x402 Live MCP
Pre-trade token safety checks for AI agents on Solana and Base. x402 USDC per call, no key.
MCP server · com.ogenalabs · 2 tools · check 90/100 · also does on-chain data, x402 paid apis
- x402scan Live x402
Query indexed x402 payment data and send USDC on Base and Solana.
x402 paid API · 10 endpoints · check 90/100 · also does on-chain data, x402 paid apis
- Chit402 Live x402
Signed spend receipts for agent x402 payments — who paid which call, verifiable by a third party. Treasury desk for agent spend — export, policy, evidence. Possession book for principals. POST /v1/chat/completions retur…
x402 paid API · 1 endpoint · check 89/100 · also does on-chain data, x402 paid apis
- Baron Power Play Live MCP
Pay-per-call AI infra for agents: DeFi market data, LLM inference, STT/TTS. x402 v2, USDC on Base.
MCP server · io.github.MintMachineHQ · 5 tools · check 80/100 · also does on-chain data, x402 paid apis