Crypto & Web3 MCP Servers
Compare the best open-source MCP servers for crypto & Web3. Wallets, DeFi, on-chain data and blockchain agents. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.
Oracle3 Prediction Market Agent
Oracle3: open-source trading engine and MCP server for prediction markets. Finds fee-adjusted no-arbitrage violations across related event contracts and trades them live on Kalshi, Polymarket and Solana, or on paper, under pre-trade risk limits. 13 MCP tools, JSON CLI, agent skills, 600+ tests.
Web3 Research MCP
Local MCP server for deep crypto token research across CoinGecko, DeFiLlama and web search. Free, no API key.
Dkg
OriginTrail Decentralized Knowledge Graph (DKG) — Shared memory for AI agents. Give Hermes, OpenClaw, Claude Code, Codex, and Cursor a local knowledge-graph memory that several agents can share, with provenance, and verify on-chain when it matters. Open source, Apache-2.0.
Alchemy MCP Server
Alchemy's official MCP Server. Allow AI agents to interact with Alchemy's blockchain APIs.
Cryptopanic MCP Server
Provide latest cryptocurrency news to AI agents.
Coinlobster MCP
The only MCP server with live whale trades across 15 exchanges plus on-chain DEX flow. Smart Money Radar, real liquidations and outcome-scored signals. No API key required.
Agent Skills
Teach any AI agent to read live crypto whale flow like a trader. No API key required.
Coinlobster Gemini Extension
Gemini CLI extension for live crypto whale trades, Smart Money Radar and liquidations. One-line install, no API key required.
List refreshed November 15, 2026. Data comes from public GitHub repositories.