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.
CSOAI-ORG/blockchain-verification-mcp
MCP server Claude CodeCodexCursor +2
MCP server for blockchain verification. Features mint certificate, verify certificate, audit trail. From MEOK AI Labs. Runs locally from the blockchain-verification-mcp Python package.
Skill Claude Code
Pay for things from your agent — gasless USDC on Base plus JIT single-use virtual cards via the Z-Zero MCP server. Card data never enters the model context, and the manual card flow carries a signed purpose-and-outcome record.
MCP server Claude CodeCodexCursor +2
Send physical mail with Solana cryptocurrency - AI agents can send real letters worldwide. Runs locally from the solmail-mcp npm package. Needs 4 environment variables to run.
Cyberweasel777/botindex-mcp-server
MCP server Claude CodeCodexCursor +2
DeFi signal intelligence + agent discovery. Funding arb, whale alerts, Zora, compliance. Runs locally from the botindex-mcp-server npm package. Needs 1 environment variable to run.
ExpertVagabond/solana-mcp-server
MCP server Claude CodeCodexCursor +2
Solana MCP server for wallet, transactions & programs. Runs locally from the solana-mcp-server npm package.
CryptoAPIs-io/cryptoapis-mcp-hd-wallet
MCP server Claude CodeCodexCursor +2
MCP server for HD wallet management, balance, and sync on EVM, UTXO, XRP via Crypto APIs. Runs locally from the @cryptoapis-io/mcp-hd-wallet npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Forex, IOF tax, US accounts, stablecoins, and international payments in Brazil. Runs locally from the ozav-mcp-server npm package.
MCP server Claude CodeCodexCursor +2
Expose foundry-zksync (forge, cast, anvil-zksync) tools for zkSync Era development. Runs locally from the foundry-zksync-mcp npm package.
MCP server Claude CodeCodexCursor +2
Security suite for AI agents — catch the dangerous thing before it's signed. Preflight an unsigned EVM transaction for drains, inspect EIP-712 signatures for permit-phishing, and gate agent actions by policy. Pairs with any wallet or MCP stack; ships a non-custodial wallet too. Runs locally from the chain-signer…
MCP server Claude CodeCodexCursor +2
AI oracle: BTC/ETH/SOL signals, Polymarket edges, congressional trades. x402 $0.01/call on Base. Remote server at api.octodamus.com.
MCP server Claude CodeCodexCursor +2
Solana token safety for AI agents — rug-pull, honeypot & Token-2022 trap detection before you buy. Remote server at web-production-58d585.up.railway.app.
Rotwang9000/seneschal-data-api
MCP server Claude CodeCodexCursor +2
Monero/Zcash payment webhooks + DeFi liquidation & Ethereum builder data over MCP. Free tier; x402. Remote server at mcp.seneschal.space.
soundsparkaudiolab/tollboothswap-mcp
MCP server Claude CodeCodexCursor +2
Token swaps and honeypot/rug checks for AI agents on 8 chains, paid per-call in USDC via x402. Runs locally from the tollboothswap-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Crypto futures math: PnL, liquidation, position sizing, carry trade. 19 tools. Not AI estimates. Remote server at tradingcalc.io.
MCP server Claude CodeCodexCursor +2
Solana on-chain intelligence — token scans, wallet profiling, bundle detection, 19 MCP tools. Remote server at noesisapi.dev.
MCP server Claude CodeCodexCursor +2
MCP server for no-payment x402 surface triage, 402 Index health checks, and paid review handoff. Runs locally from the x402-triage-mcp npm package.
MCP server Claude CodeCodexCursor +2
Solana Mainnet verification, intelligence, machine receipts, and agent logistics through MCP. Remote server at agents.privatedao.org.
MCP server Claude CodeCodexCursor +2
MCP server for ZebPay crypto exchange — fetch prices, balances, and manage orders. Runs locally from the @zebpay_rajesh/zebpay-mcp-server npm package. Needs 2 environment variables to run.
Skill Claude CodeCodex
Buy/register an XRPName domain (.xrp, .xrpl, .xrpfi, .rlusd) on the XRP Ledger via the x402 agentic-payment protocol. Use when an agent needs to buy, register, mint, or claim an XRPL/XRP domain from a wallet it controls. Handles the full flow — request price (HTTP 402), sign the XRP Payment, then sign the…
Plugin Claude Code
Bundles 6 skills, 1 MCP server · 174 tokens together
ClawRiver - A decentralized marketplace for agents to share, discover, and monetize experiences and memories.
MCP server Claude CodeCodexCursor +2
Interact with Counterparty — the token protocol on Bitcoin. Query, compose, sign. Runs locally from the @21e14/mcp-server npm package. Needs 3 environment variables to run.
Skill Claude CodeCodex
Coordinate agent-to-agent work on XFuel's A2A circuit: discover provider agents, send an A2A message with TFUEL escrow, settle a bid on delivery via Fair Exchange (PAS signature), and (on-chain) form agent swarms of up to 18 members. Use when an agent needs to delegate a task to another agent, run a compute auction…
MCP server Claude CodeCodexCursor +2
AI agents discover, acquire, and re-serve tokenised web content via the $402 protocol. Runs locally from the path402 npm package. Needs 3 environment variables to run.
Skill Claude CodeCodex
Fetch a pre-transaction risk score and advisory recommendation for tokens on Solana, Base, Ethereum, Arbitrum, BSC, and HyperEVM before the user trades, swaps, or provides liquidity. Read-only; never signs or moves funds.
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: