1,335 mods tagged Web3 and blockchain that install into OpenCode, measured the same four ways as everything else here: what each costs in tokens on every session, what a security scan found and why, whether it is the original, and what changed.
MCP server Claude CodeCodexCursor +2
Keplr MCP Server — AI agents can interact with Cosmos chains via Model Context Protocol. Runs locally from the @keplr-wallet/keplr-wallet-mcp npm package.
MCP server Claude CodeCodexCursor +2
DEX trading MCP server — autonomous token swaps on Base (Uniswap v3) & Solana (Jupiter) for AI agents. Runs locally from the paean-dex-mcp npm package.
MCP server Claude CodeCodexCursor +2
SEI MCP: Model Context Protocol server for SEI blockchain only. All APIs are prefixed with SEI and support only SEI. Runs locally from the sei-mcp npm package.
MCP server Claude CodeCodexCursor +2
Identity and reputation for AI agents: resolve social handles to wallet addresses, check reputation scores, and send tokens from any MCP client. Runs locally from the @quidli/connect-mcp npm package.
MCP server Claude CodeCodexCursor +2
Helps AI coding agents integrate MetaMask Embedded Wallets (Web3Auth) SDKs. Remote server at mcp.web3auth.io.
Finanzgoblin/spectra-mcp-server
MCP server Claude CodeCodexCursor +2
Spectra Finance MCP server: yield discovery, PT/YT, looping, Morpho, 10 chains. Runs locally from the spectra-mcp-server npm package.
cinderwright-ai/cinderwright-api
MCP server Claude CodeCodexCursor +2
Cross-protocol agent payments hub. x402, MPP, L402/Lightning. 1551 services indexed. Runs locally from the cinderwright-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Give your AI agent a wallet on AgentsCoin: create wallet, mine AGENT, check balance, send. Runs locally from the agentscoin-mcp npm package.
nirholas/onchain-agent-wallets
MCP server Claude CodeCodexCursor +2
Give an AI agent a Solana spending allowance instead of your key. Chain-enforced cap, x402. Runs locally from the @three-ws/onchain-agent-wallets npm package. Needs 5 environment variables to run.
MCP server Claude CodeCodexCursor +2
Crypto transaction firewall and risk tools for MCP agents. Remote server at seraph.kondux.io.
MCP server Claude CodeCodexCursor +2
MCP server for Verantis — the verified directory for machine payments (x402 & MPP). Find live-verified services and check a wallet before your agent pays. Runs locally from the verantis-mcp Python package. Needs 1 environment variable to run.
Abstraxn-Labs/abstraxn-agent-layer
MCP server Claude CodeCodexCursor +2
Abstraxn: public Web3 MCP server for read-only chain data and pay-per-call relays. Remote server at mcp.abstraxn.com.
MCP server Claude CodeCodexCursor +2
MCP server for interacting with EVM-compatible blockchains - supports 22 tools and 10 prompts across 60+ networks. Runs locally from the @mcpdotdirect/evm-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
MCP server "usdc-arc-mcp-demo" as configured in GSA-TTS/usdc-arc-mcp-demo. Runs locally from the usdc-arc-mcp-demo Python package.
MCP server Claude CodeCodexCursor +2
MCP server and HTTP API for Neo N3 and Neo X blockchain integration. Runs locally from the @r3e/neo-mcp npm package.
VeChain-AI-Terminal/vechain-terminal-mcp
MCP server Claude CodeCodexCursor +2
MCP server "vechain-mcp-server" as configured in VeChain-AI-Terminal/vechain-terminal-mcp. Runs locally from the vechain-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
MCP server for interfacing with the Arbitrum system (nodes, chains, accounts, ecosystem) in natural language. Runs locally from the arbitrum-mcp npm package.
MCP server Claude CodeCodexCursor +2
OKX MCP (Model Context Protocol) server providing trading and portfolio management tools. Runs locally from the okx-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server "dex-kline-mcp" as configured in kukapay/dex-kline-mcp. Runs locally from the dex-kline-mcp Python package.
MCP server Claude CodeCodexCursor +2
Deep Research for crypto - free & fully local. Runs locally from the web3-research-mcp npm package.
MCP server Claude CodeCodexCursor +2
MCP server exposing MTRKR wallet intelligence tools for MegaETH. Runs locally from the mtrkr-mcp-server npm package.
BananaCrystal/mcp-server-bananacrystal
MCP server Claude CodeCodexCursor +2
Agent payment infrastructure MCP server. Give AI agents autonomous payment capability — stablecoin transfers, currency swaps, agent wallets, and fiat operations on Hedera. Works with Claude, LangChain, CrewAI, AutoGPT. Runs locally from the @bananacrystal/mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Agentic AQUA — MCP server for Liquid Network and Bitcoin wallet operations. Runs locally from the agentic-aqua Python package.
MCP server Claude CodeCodexCursor +2
Safety first. Hardware-verified DeFi for AI agents — designed for when the AI can be compromised. Runs locally from the vaultpilot-mcp npm package. Needs 10 environment variables to run.