Web3 and blockchain MCP servers

1,334 tagged Web3 and blockchain, measured the same way as everything else here.

Browse within: mcp-server 189model-context-protocol 188defi 132blockchain 128crypto 110base 90x402 69ethereum 55bitcoin 36LLM 35cryptocurrency 35cursor 31solana 31agent-commerce 29

voltix-mcp

1153

clearcheck-uk/voltix-mcp

MCP server Claude CodeCodexCursor +2

DeFi intelligence for Claude: whale tracking, alpha signals, yields, token safety. USDC on Base. Runs locally from the voltix-mcp npm package. Needs 1 environment variable to run.

not rated 0 2mo ago A tokens not measured

diem-agent-workers

1154

coastmancoastman/diem-agent-workers

MCP server Claude CodeCodexCursor +2

Discover privacy-first, bounded Venice-powered micro-work calls with exact x402 USDC prices. Remote server at diem-agent-workers.vercel.app.

not rated 0 4d ago A tokens not measured original MIT

commonersdao-mcp

1155

commiegod/commoners-web

MCP server Claude CodeCodexCursor +2

AI agent access to Commoner's DAO — auction, governance, treasury, and discussion board on Solana. Runs locally from the commonersdao-mcp npm package. Needs 1 environment variable to run.

not rated 0 5mo ago A tokens not measured

x402-apis

1156

deriveit33z-ship-it/x402-apis

MCP server Claude CodeCodexCursor +2

25 pay-per-request intelligence APIs for AI agents via x402 micropayments (USDC/Base). Remote server at x402-apis-eta.vercel.app.

not rated 0 2mo ago A tokens not measured

bsc-dex-spread

1157

donnywin85/bsc-dex-spread-mcp

MCP server Claude CodeCodexCursor +2

Cross-DEX price & spread for PancakeSwap v2+v3 on BSC via x402. Tool getdexspread(pair, fee?). Runs locally from the bsc-dex-spread-mcp npm package. Needs 2 environment variables to run.

not rated 0 2mo ago A tokens not measured original MIT

latent-lounge-mcp

1158

dontuh3/latent-lounge-mcp

MCP server Claude CodeCodexCursor +2

Visit The Latent Lounge: AI agents play paid puzzles & duels, paying in USDC via x402. Runs locally from the latent-lounge-mcp npm package. Needs 5 environment variables to run.

not rated 0 changed 19d ago A Socket: warn tokens not measured original MIT

arbiter

1159

godwin105/arbiter_AI

MCP server Claude CodeCodexCursor +2

Is this transaction safe to sign? Decodes what it really does and answers allow, warn or block. Runs locally from the @arbiterlabs/mcp npm package. Needs 4 environment variables to run.

not rated 0 1mo ago A tokens not measured original MIT

crypto-derivatives-mcp

1160

hashchecked/kronos-mcp

MCP server Claude CodeCodexCursor +2

Crypto data MCP: 22 tools covering derivatives, forecasts, alerts, liquidations, GEX — 16 assets. Runs locally from the crypto-derivatives-mcp npm package.

not rated 0 23d ago A tokens not measured

gasfeepredictor-mcp

1161

higherbeing/gasfeepredictor-mcp

MCP server Claude CodeCodexCursor +2

Live Ethereum and L2 gas fees for AI agents: current gas, cheapest L2, ETH price, cost estimates. Runs locally from the gasfeepredictor-mcp npm package.

not rated 0 29d ago A tokens not measured original MIT

agent-arbitration

1162

jdhart81/viridis-agent-fleet

MCP server Claude CodeCodexCursor +2

One of 32 in server.json

Deterministic, machine-verifiable dispute resolution for A2A escrows. Remote server at mcp.viridisconservation.com.

not rated 0 today A tokens not measured original Apache-2.0

x402-mcp-server

1163

jmthomasofficial/x402-mcp-server

MCP server Claude CodeCodexCursor +2

One of 2 in server.json

JMT x402: 35 pay-per-call Base/USDC tools for agents, auto-paid via x402 v2. No API key. Runs locally from the @jmthomasofficial/x402-mcp-server npm package. Needs 1 environment variable to run.

not rated 0 3mo ago A tokens not measured

chainlink-mcp

1164

junct-bot/chainlink-mcp

MCP server Claude CodeCodexCursor +2

Chainlink - 35 tools for price feeds and oracle data. Remote server at chainlink.mcp.junct.dev.

not rated 0 6mo ago A tokens not measured

marketplace-mcp

1165

llmops-pro/marketplace-mcp

MCP server Claude CodeCodexCursor +2

Publish Nostr marketplace listings (NIP-15 + Shopstr kinds 30019/30402) so agents can run a store. Runs locally from the marketplace-mcp npm package. Needs 4 environment variables to run.

not rated 0 3d ago A tokens not measured original MIT

near-wallet-manager

1166

mastrophot/near-mcp-wallet-manager

MCP server Claude CodeCodexCursor +2

MCP server for NEAR wallet creation, balance checks, and transaction signing. Runs locally from the mcp-near-wallet-manager npm package.

not rated 0 7mo ago A tokens not measured original MIT

ln-church-agent-mcp

1167

mayim-mayim/ln-church-agent

MCP server Claude CodeCodexCursor +2

Deterministic runtime for AI agents to inspect HTTP 402 services, complete rewarded tasks, execute bounded paid actions, and recover safely across L402, x402, and MPP. Runs locally from the ln-church-agent Python package.

not rated 0 2d ago A tokens not measured original MIT

oracle42-intelligence

1168

mintmas/oracle42-intelligence

MCP server Claude CodeCodexCursor +2

AI-powered threat intelligence, smart contract auditing, and cybersecurity OSINT. Remote server at app.eno.cx.ua.

not rated 0 7mo ago A tokens not measured

naur9n/arbitrum-mpp-transaction-preflight

MCP server Claude CodeCodexCursor +2

Paid Arbitrum transaction simulation and risk scoring for wallets and AI agents. Runs locally from the arbitrum-mpp-transaction-preflight npm package. Needs 3 environment variables to run.

not rated 0 3mo ago A tokens not measured

docconv-mcp

1170

nicklee002e/docconv-mcp

MCP server Claude CodeCodexCursor +2

MCP server for DocConv — convert PDF/Word/Excel/PowerPoint to Markdown, paid per call with USDC via the x402 protocol (Base). Runs locally from the docconv-mcp Python package. Needs 2 environment variables to run.

not rated 0 2d ago A tokens not measured original MIT

crypto-mcp-server

1171

rex-automata/crypto-mcp-server

MCP server Claude CodeCodexCursor +2

A TypeScript MCP CLI for cryptocurrency technical analysis, supporting Binance Spot. Runs locally from the crypto-mcp-server npm package.

not rated 0 8mo ago A tokens not measured original MIT

signal402-mcp

1172

bflynn4141/signal402-mcp

MCP server Claude CodeCodexCursor +2

MCP server for x402 ecosystem intelligence. Discover, evaluate, and call any x402 API service with automatic payment. Runs locally from the signal402-mcp npm package.

not rated 0 8mo ago A tokens not measured

armor-crypto-mcp

1173

aurora-smith-ts58tc/armor-crypto-mcp

MCP server Claude CodeCodexCursor +2

MCP to interface with multiple blockchains, staking, DeFi, swap, bridging, wallet management, DCA, Limit Orders, Coin Lookup, Tracking and more. Runs locally from the armor-crypto-mcp Python package.

not rated 0 11mo ago A tokens not measured GPL-3.0

cosmos-migration-mcp

1174

cosmos/cosmos-sdk-migration-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Cosmos SDK chain migration (v50+ -> v54). Runs locally from the cosmos-migration-mcp Python package.

not rated 0 6mo ago A tokens not measured original Apache-2.0

x402-onchain

1175

0xEtherial/x402-onchain-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "x402-onchain" as configured in 0xEtherial/x402-onchain-mcp-server. Runs locally from the @0xetherial/x402-onchain-mcp-server npm package. Needs 1 environment variable to run.

not rated 0 7mo ago A tokens not measured

nyra-crypto-mcp

1176

nyrarolon/nyra-crypto-mcp

MCP server Claude CodeCodexCursor +2

MCP server "nyra-crypto-mcp" as configured in nyrarolon/nyra-crypto-mcp. Runs locally from the nyra-crypto-mcp npm package.

not rated 0 3mo ago A tokens not measured

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: