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.
lordbasilaiassistant-sudo/base-price-oracle-mcp
MCP server Claude CodeCodexCursor +2
MCP server for real-time token prices on Base from on-chain DEX pools. Runs locally from the base-price-oracle-mcp npm package. Needs 1 environment variable to run.
lordbasilaiassistant-sudo/base-token-sniper-mcp
MCP server Claude CodeCodexCursor +2
MCP server to discover and trade new token launches on Base chain. Runs locally from the base-token-sniper-mcp npm package. Needs 2 environment variables to run.
lordbasilaiassistant-sudo/broke2built-skills-mcp
MCP server Claude CodeCodexCursor +2
29 live data skills for agents: email/DNS/domain intel, web audits, EVM reads. Free tier. Runs locally from the broke2built-skills-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Keel — CLI and MCP server for AI-driven crypto strategy development. Runs locally from the keel-trade Python package.
kinance/circle-agent-stack-mcp
MCP server Claude CodeCodexCursor +2
MCP server for Circle Agent Stack — wallet management, USDC transfers, and x402 nanopayments via tool calls. Runs locally from the circle-agent-stack-mcp npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Pay for HTTP APIs and charge for your own: x402 micropayments in USDC on Base. Remote server at x402-mcp.onrender.com.
MCP server Claude CodeCodexCursor +2
An MCP server giving AI agents access to DeFi data on EVM chains. Runs locally from the defi-mcp Python package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
22 x402 pay-per-call utility tools for AI agents — scrape, validate, embed, store, moderate, notify, convert, prevent loops. No accounts, no API keys. USDC on Base via the x402 protocol. Runs locally from the @melis-ai/x402-tools-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Multi-aggregator swap router for AI agents on Base. 10 bps fee. MCP-native, non-custodial. Remote server at swap.paladinfi.com.
MCP server Claude CodeCodexCursor +2
MCP server for Nerve blockchain JSON-RPC & REST API for AI Agents. Runs locally from the nerve-rpc-mcp npm package.
MCP server Claude CodeCodexCursor +2
Signed settled outcomes (Polymarket, sports, Kalshi) + whale signals as agent tools, paid via x402. Runs locally from the @predge/whale-data-mcp npm package. Needs 7 environment variables to run.
MCP server Claude CodeCodexCursor +2
Play provably fair games with real SOL wagering from any AI agent. Runs locally from the @razzgames/mcp-server npm package. Needs 3 environment variables to run.
re-bruce-wayne/openclaw-skills
Skill Claude CodeCodex
Solana swap execution, MEV-protected transaction submission, wallet scanning, and market-cap-based limit/trailing orders via the TradeRouter API. Use when the user wants to: swap SPL tokens on Solana (buy or sell), check wallet token holdings, submit signed transactions through an MEV-protected priority lane, place…
MCP server Claude CodeCodexCursor +2
One of 2 in server.json
Check an x402 endpoint before you pay it: verdict, risk score and what is wrong. $0.005 in USDC. Runs locally from the deadchannel-mcp npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
Wash-filtered intelligence for x402: categories, services, wash analysis, trends. Remote server at api.x402.printmoneylab.com.
pythia-the-oracle/pythia-oracle-mcp
MCP server Claude CodeCodexCursor +2
Every smart contract deserves intelligence, not just data. Pythia Oracle MCP server — on-chain calculated indicators via Chainlink. Runs locally from the pythia-oracle-mcp Python package.
MCP server Claude CodeCodexCursor +2
Multi-chain AML risk scoring, sanctions screening, and tx tracing across BTC, ETH, POL, AVAX, SOL. Runs locally from the chainanalyzer-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Search scored onchain agent frameworks, MCPs, wallets, tools, and live agents. Remote server at satohub.ai.
MCP server Claude CodeCodexCursor +2
Cryptographic identity for AI agents: W3C DIDs, Verifiable Credentials, post-quantum crypto. Runs locally from the @astracipher/core npm package.
sebastienrousseau/ap2-iso20022
MCP server Claude CodeCodexCursor +2
Bridge AP2 (Agent Payments Protocol) and x402 agent-payment mandates into wire-valid ISO 20022 pain.001 / pacs.008 records, with spending-cap, expiry and authorisation guardrails. Includes an MCP server. Runs locally from the ap2-iso20022 Python package.
subsquid-labs/portal-mcp-server
Plugin Claude Code
Bundles 4 skills, 1 MCP server · 424 tokens together
Query blockchain data across 130+ networks with SQD Portal, including Ethereum, Base, Solana, Polkadot, Bitcoin, Tron, and Hyperliquid. The SQD plugin also includes Pipes SDK and Squid SDK skills for building, migrating, troubleshooting, and improving blockchain data projects.
MCP server Claude CodeCodexCursor +2
MCP server "verdoc-mcp" as configured in verdochello/verdoc-mcp. Launched with https://github.com/verdochello/verdoc-mcp/releases/download/v0.1.0/verdoc-mcp-0.. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server for the Txtcel Solana protocol: agents post and read undeletable on-chain messages. Runs locally from the @txtcel/mcp npm package. Needs 6 environment variables to run.
MCP server Claude CodeCodexCursor +2
AI agents get on-chain identity, credentials, reputation, escrow, and persistent memory on XRPL. Runs locally from the xaip-mcp-server npm package.
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: