BlockVectra: multi-chain RPC & Data API alternatives
12 MCP servers, A2A agents and x402 APIs that also do on-chain data, ranked by how much they overlap with BlockVectra: multi-chain RPC & Data API (MCP server), live ones first.
Compared
| Name | Type | Live | Tools / skills | Check |
|---|---|---|---|---|
| BlockVectra: multi-chain RPC & Data API (this one) | MCP server | Yes | – | – |
| Avalanche AVAX MCP | MCP server | Yes | – | – |
| AgentBIT API | x402 paid API | Yes | 12 | 90/100 |
| Web Search & Data API (kadec0) | x402 paid API | Yes | 12 | 90/100 |
| emblem-mcp | MCP server | Yes | – | 55/100 |
| Polymarket Data by PolymarketScan | MCP server | Yes | – | 55/100 |
| sap-mcp | MCP server | Yes | – | 55/100 |
| AgentShare — Solana DeFi Intelligence (Meteora DLMM) MCP | MCP server | Yes | – | – |
| Alchemy MCP Server | MCP server | Yes | – | – |
| Amalgix Document Intelligence | MCP server | Yes | – | – |
| AutEng Docs — Agent Document Workspace & Publishing | MCP server | Yes | – | – |
| Axiom Agentic Tools | MCP server | Yes | – | – |
| backtesting-arena | MCP server | Yes | – | – |
Live = answered our latest free daily check. Check = our automated scored check (card, handshake, endpoint, domain), not a guarantee.
The alternatives
- Avalanche AVAX MCP Live MCP
Search and retrieve Avalanche blockchain documentation for building on AVAX.
MCP server · io.github.Airpote · also does on-chain data
- AgentBIT API Live x402
Autonomous API & AI agent tools, monetized per call via the x402 payment protocol.
x402 paid API · 12 endpoints · check 90/100 · also does on-chain data
- 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
- emblem-mcp Live MCP
EmblemAI MCP EmblemAI is a hosted Model Context Protocol server that gives AI agents a full-featured crypto wallet plus **200+ tools** for trading, DeFi, NFTs, and on-chain analytics across **7 blockchains**: - **Bitcoi…
MCP server · emblemai · check 55/100 · also does on-chain data
- Polymarket Data by PolymarketScan Live MCP
Real-time Polymarket analytics for AI agents. Query live prediction market data including whale trades, market odds, trader profiles, and leaderboards. **Available tools:** - `get_whale_trades` — large trades above a si…
MCP server · jordan-s648 · check 55/100 · also does on-chain data
- 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
- AgentShare — Solana DeFi Intelligence (Meteora DLMM) MCP Live MCP
Solana DeFi MCP: Meteora DLMM brief+detail; Solana DEX scout. Commerce optional.
MCP server · dev.agentshare · also does on-chain data
- Alchemy MCP Server Live MCP
Blockchain data across 100+ chains: token prices, NFTs, transfers, simulation, traces, Solana DAS
MCP server · com.alchemy · also does on-chain data
- Amalgix Document Intelligence Live MCP
Cross-model evidence pipeline for financial filing and contract intelligence. Two core paid workflows — analyze_public_filing (SEC 10-K/10-Q/20-F, ticker/CIK lookup, metrics, risk changes, contradictions) and review_con…
MCP server · amalgix · also does on-chain data
- AutEng Docs — Agent Document Workspace & Publishing Live MCP
Agent document workspace with wallet auth. Create, update and share markdown docs. By AutEng.ai
MCP server · ai.auteng · also does on-chain data
- 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 · also does on-chain data
- backtesting-arena Live MCP
Quantitative crypto backtesting & Bitcoin market-regime analytics. 73 MCP tools: honest look-ahead-aware backtest validation with Deflated-Sharpe-Ratio correction, point-in-time 10-indicator Bitcoin cycle scoring, macro…
MCP server · info-6d0w · also does on-chain data