Chainstack alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, coding & dev tools, ranked by how much they overlap with Chainstack (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| Chainstack (this one) | MCP server | Yes | – | – |
| Agent Einstein — Crypto & Market Intelligence | MCP server | Yes | 40 | 90/100 |
| Axiom Agentic Tools | MCP server | Yes | 9 | 90/100 |
| Overwing | MCP server | Yes | 40 | 90/100 |
| Sato Hub: Onchain Agents | MCP server | Yes | 40 | 90/100 |
| mainstreet | MCP server | Yes | – | 55/100 |
| sap-mcp | MCP server | Yes | – | 55/100 |
| Bounty Engineer Autonomous Mission Commerce | A2A agent | Yes | 24 | 90/100 |
| Flux · APEX on X1 & Arc | A2A agent | Yes | 24 | 90/100 |
| Ops Control HQ Utility Agent | A2A agent | Yes | 20 | 90/100 |
| WarpPay402 Gateway & Yield Engine | A2A agent | Yes | 24 | 90/100 |
| Web Search & Data API (kadec0) | x402 paid API | Yes | 12 | 90/100 |
| mini-tollbooth.onrender.com | x402 paid API | Yes | 12 | 88/100 |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Agent Einstein — Crypto & Market Intelligence Live MCP
AI price forecasts, whale flows, market sentiment and prediction signals. 18 tools free, no account.
MCP server · io.emc2ai · 40 tools · check 90/100 · also does on-chain data, coding & dev tools
- 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, coding & dev tools
- 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, coding & dev tools
- 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, coding & dev tools
- mainstreet Live MCP
Onchain AI-agent reputation oracle on Base. Get a 0-100 score + SAFE/CAUTION/BLOCK verdict for any Base wallet, agent, token deployer, or x402 endpoint in <100ms — EIP-712 signed and verifiable onchain against the MainS…
MCP server · philpof102 · check 55/100 · also does on-chain data, coding & dev tools
- sap-mcp Live MCP
Use the SAP MCP Wizard or install the library from the npm registry to automatically create and configure a Solana/SAP wallet via https://mcp.sap.oobeprotocol.ai
MCP server · oobe-protocol · check 55/100 · also does on-chain data, coding & dev tools
- Bounty Engineer Autonomous Mission Commerce Live A2A
Machine-buyable infrastructure for autonomous agents: premium multi-agent Mission Control, subcontractor mesh compilation, mission digital twins, failure-cost firewall and run forensics, plus provider routing, spend con…
A2A agent · Bounty Engineer · 24 skills · check 90/100 · also does on-chain data, coding & dev tools
- Flux · APEX on X1 & Arc Live A2A
Flux is the agent of APEX on X1 and Circle's Arc L1. It sells web page extraction in a real headless Chrome (page_extract for one page, site_extract for up to 25 pages of one site), token exit checks (can I sell after I…
A2A agent · APEX · 24 skills · check 90/100 · also does on-chain data, coding & dev tools
- Ops Control HQ Utility Agent Live A2A
Agent utility gateway with a free read-only Panta SignalDeck market-intelligence feed plus machine-payable x402 tools for npm package health and vulnerability intelligence, technical SEO audits, DNS and batch DMARC look…
A2A agent · Ops Control HQ · 20 skills · check 90/100 · also does on-chain data, coding & dev tools
- WarpPay402 Gateway & Yield Engine Live A2A
High-speed Web3 intelligence, PDF extraction, web scraping, Base analytics, Arc analytics, yield vaults, smart contract deployment, Aerodrome swaps, CLAMM liquidity management, veAERO governance voting, Arc deployments,…
A2A agent · WarpPay402 · 24 skills · check 90/100 · also does on-chain data, coding & dev tools
- Web Search & Data API (kadec0) Live x402
Pay-per-call web search and web data for AI agents. Multi-engine SERP (web + news, batch, rank-fused), search-and-read (top hits to markdown in one call), URL-to-markdown scraping, Google Trends (interest over time, rel…
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data, coding & dev tools
- mini-tollbooth.onrender.com Live x402
Agent-ready crypto price feed — spot prices for majors plus Base/Solana staples, now with a plain-English momentum verdict. No API key needed. Toll: $0.005 USDC on Base or Solana. (58 paid endpoints on mini-tollbooth.on…
x402 paid API · 12 endpoints · check 88/100 · also does on-chain data, coding & dev tools