Web3 and blockchain for Claude Code

4,884 mods tagged Web3 and blockchain that install into Claude Code, 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.

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cryptoiz

841

dadang11/cryptoiz-mcp

MCP server Claude CodeCodexCursor +2

Solana DEX whale intelligence: alpha, divergence, accumulation, BTC regime via x402. Runs locally from the cryptoiz-mcp npm package. Needs 1 environment variable to run.

not rated 1 4mo ago A tokens not measured original MIT

contract-scanner

843

lordbasilaiassistant-sudo/mcp-servers

MCP server Claude CodeCodexCursor +2

One of 4 in server.json

Smart contract security scanner — vulnerabilities, risk scores, and calldata decoding. Runs locally from the @thryx/contract-scanner-mcp-server npm package. Needs 4 environment variables to run.

not rated 1 5mo ago A tokens not measured

insumer-verify

844

douglasborthwick-crypto/mcp-server-insumer

Skill Claude CodeCodex

Privacy-preserving on-chain verification across 38 blockchains (incl. Bitcoin, Tron, Stellar, Sui). Verify wallet holdings, NFT ownership, EAS attestations, and identity with ECDSA-signed proofs — no balances exposed.

not rated 1 changed 8d ago A 54 tokens original MIT

arb-dex-mcp

845

donnywin85/arb-dex-mcp

MCP server Claude CodeCodexCursor +2

Live cross-DEX pool prices, liquidity and spreads on 6 EVM chains, read from on-chain pool state. Runs locally from the arb-dex-mcp npm package. Needs 2 environment variables to run.

not rated 1 22d ago A tokens not measured original MIT

wormhole-mcp

846

junct-bot/wormhole-mcp

MCP server Claude CodeCodexCursor +2

Wormhole - 69 tools for cross-chain transfers and bridge data. Remote server at wormhole.mcp.junct.dev.

not rated 1 5mo ago A tokens not measured

clawphunks

847

jefdiesel/clawphunks

Skill Claude Code

Mint and trade ClawPhunks NFTs. The first collection designed for AI agents.

not rated 1 6mo ago A 22 tokens

ens-mcp

848

kukapay/ens-mcp

MCP server Claude CodeCodexCursor +2

MCP server "ens-mcp" as configured in kukapay/ens-mcp. Runs locally from the ens-mcp Python package.

not rated 1 1y ago A tokens not measured original MIT

mcp-blockchain-query

849

pavel-bc/mcp-blockchain-query

MCP server Claude CodeCodexCursor +2

MCP server "mcp-blockchain-query" as configured in pavel-bc/mcp-blockchain-query. Runs locally from the mcp-blockchain-query Python package.

not rated 1 9mo ago A tokens not measured

solana-mcp-server

850

akc2267/solana-mcp-server

MCP server Claude CodeCodexCursor +2

Solana MCP server for wallet management, transaction handling, and program interactions on Solana blockchain. Runs locally from the solana-mcp-server npm package.

not rated 1 1y ago A tokens not measured

mcp-bamm

851

BrainDAO/mcp-bamm

MCP server Claude CodeCodexCursor +2

MCP server for bamm (borrow automated market maker). Runs locally from the @iqai/mcp-bamm npm package.

not rated 1 2mo ago A tokens not measured original MIT

deribit-mcp-server

852

Oishh/telegram-signal-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "deribit-mcp-server" as configured in Oishh/telegram-signal-mcp-server. Runs locally from the deribit-mcp-server Python package.

not rated 1 11mo ago A tokens not measured original MIT

chainfetch-mcp-server

853

chainfetch/chainfetch-mcp-server

MCP server Claude CodeCodexCursor +2

A Model Context Protocol (MCP) server that provides access to ChainFETCH API for AI-powered Ethereum blockchain intelligence with advanced semantic search capabilities. Supports both stdio and HTTP transport modes. Runs locally from the chainfetch-mcp-server npm package.

not rated 1 1y ago A tokens not measured original MIT

mcp-etherscan-server

854

dennisonbertram/mcp-etherscan-server

MCP server Claude CodeCodexCursor +2

An MCP server that provides Ethereum blockchain data tools via Etherscan's API. Runs locally from the mcp-etherscan-server npm package.

not rated 1 9mo ago A tokens not measured copy · 100% MIT

x402mail

855

MuzsaiLajos/x402mail

MCP server Claude CodeCodexCursor +2

Send and receive emails with crypto micropayments via x402. Runs locally from the x402mail Python package.

not rated 1 7mo ago A tokens not measured original MIT

mcp

856

rdmbtc/puls-mcp

MCP server Claude CodeCodexCursor +2

Model Context Protocol (MCP) server for Puls — let any AI agent (Claude, Cursor) read live prediction markets, the AI-vs-crowd oracle and the autonomous agent swarm, and (with a key) trade USDC + buy x402 forecast signals on Arc. Runs locally from the @pulsmarket/mcp npm package.

not rated 1 1mo ago A tokens not measured

solana-launchpads-mcp

857

kukapay/solana-launchpads-mcp

MCP server Claude CodeCodexCursor +2

MCP server "solana-launchpads-mcp" as configured in kukapay/solana-launchpads-mcp. Runs locally from the solana-launchpads-mcp Python package.

not rated 1 1y ago A tokens not measured original MIT

dex-metrics-mcp

858

kukapay/dex-metrics-mcp

MCP server Claude CodeCodexCursor +2

MCP server "dex-metrics-mcp" as configured in kukapay/dex-metrics-mcp. Runs locally from the dex-metrics-mcp Python package.

not rated 1 1y ago A tokens not measured original MIT

compliance

859

Qazza1/onchaindiligence-mcp

MCP server Claude CodeCodexCursor +2

Pay-per-call compliance via x402: wallet sanctions, OFAC name, UK + US company verification. Remote server at mcp.onchaindiligence.com.

not rated 1 yesterday A tokens not measured

0200project/base-tx-explain

MCP server Claude CodeCodexCursor +2

Decode any Base tx: plain English, strict JSON, risk flags, no LLM. 50 free/day per IP, then $0.02. Remote server at api.0200project.com.

not rated 1 6d ago A tokens not measured original MIT

ratchetx

861

3esign/ratchetx

Skill Claude CodeCodex

RatchetX G2 Solana devnet prediction arcade, played with a local delegated signer under player-approved on-chain limits. Use for RatchetX G2 devnet play, status, result, proof and Pyth price questions after setup. Test credits only. This is a separate opt-in generation from the legacy RatchetX owner-session skill…

not rated 1 changed yesterday A 82 tokens

infinihash-kyt-mcp

862

Infinihash/infinihash-kyt-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Infinihash KYT — real-time blockchain transaction monitoring, sanctions screening, and SAR generation. Runs locally from the infinihash-kyt-mcp Python package. Needs 2 environment variables to run.

not rated 1 2d ago A tokens not measured

robinx-mcp

863

jamhimself/robinx-mcp

MCP server Claude CodeCodexCursor +2

Robinhood Chain (4663) caller accuracy + token intel, graded vs real price since genesis. x402-paid. Runs locally from the robinx-mcp npm package. Needs 1 environment variable to run.

not rated 1 +1 11d ago A tokens not measured

private-payments

864

koshak01/tidex6

Skill Claude CodeCodex

Prepare private stablecoin payments on Solana through tidex6, and report their outcome without ever overstating it.

not rated 1 changed 3d ago A 27 tokens original Apache-2.0

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