Web3 and blockchain for Claude Code

4,891 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.

Also for Claude Code: anthropic · Git and workflow · Python · React · TypeScript · docker · Go · Rust · Localization · nextjs · bun · PostgreSQL

flipcoin

1009

flipcoin-fun/flipcoin-mcp

MCP server Claude CodeCodexCursor +2

Agent-first prediction markets on Base. Trade, quote, create markets via MCP. Runs locally from the @flipcoin/mcp-server npm package. Needs 1 environment variable to run.

not rated 0 3mo ago A tokens not measured

pulsefeed-x402

1010

Nikolife2016/pulsefeed-x402

MCP server Claude CodeCodexCursor +2

Verify x402 payment endpoints before an AI agent pays: scam scan, on-chain checks, trust scores. Runs locally from the pulsefeed-x402-mcp npm package.

not rated 0 yesterday A tokens not measured original MIT

nodeflare

1011

Nodeflare-app/nodeflare-mcp

Plugin Claude Code

Bundles 6 commands · 95 tokens together

Read on-chain data across 23 EVM chains via NodeFlare's public RPC gateway — balances, tokens, transactions, logs and gas.

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

canton-mcp

1012

Noves-Inc/canton-mcp

MCP server Claude CodeCodexCursor +2

Query Canton Network balances, rewards, transactions, prices, and identity from any AI agent. Runs locally from the @noves/canton-mcp npm package. Needs 1 environment variable to run.

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

chainweb

1013

Pact-Community-Organization/pact-mcp

MCP server Claude CodeCodexCursor +2

One of 2 in .mcp.json

MCP server "chainweb" as configured in Pact-Community-Organization/pact-mcp. Runs ./packages/mcp-chainweb/dist/bin.js with node. Needs 5 environment variables to run.

not rated 0 8d ago A tokens not measured original Apache-2.0

subgraph-registry-mcp

1014

PaulieB14/subgraph-registry

Skill Claude CodeCodex

Same abilities as graphops/subgraph-mcp with better discovery. Search 15,337+ classified subgraphs; real 30-day query volume on every hit; opt-in schema and execute under the official tool names. Discovery tools never auto-query.

not rated 0 changed today A 57 tokens original MIT

ponzu

1015

PonzuTech/ponzu_mcp

MCP server Claude CodeCodexCursor +2

ERC-20 token launchpad on Ethereum — deploy, presale, swap, and farm via AI agents. Runs locally from the @ponzu_app/mcp npm package. Needs 3 environment variables to run.

not rated 0 5mo ago A tokens not measured

backtesting-arena

1016

Schoasch/skill-backtesting-arena

Skill Claude CodeCodex

Description: Battle-tested market intelligence — programmatic access to crypto market cycle scoring, on-chain indicators, and aggregated sentiment data. Every claim backtested, versioned, and explainable; evidence and base rates, never financial advice. Built for AI agents and LLMs that need structured, reproducible…

not rated 0 18d ago A 0 tokens original MIT

agentic-pay

1017

ShieldCubed/agentic-pay

MCP server Claude CodeCodexCursor +2

Non-custodial payment engine for AI agents — BTC, ETH, USDT, USDC, XRP, XMR, ZEC. Runs locally from the @shieldcubed/agentic-pay npm package. Needs 5 environment variables to run.

not rated 0 1mo ago A tokens not measured

mcp

1018

ShieldZCash/shieldz-mcp

MCP server Claude CodeCodexCursor +2

Keyless non-custodial crypto payments for AI agents: payment links and tip jars, no API key. Runs locally from the @shieldz/mcp npm package. Needs 1 environment variable to run.

not rated 0 25d ago A tokens not measured original MIT

kerdos-x402-mcp

1019

Singlishman/kerdos-x402-mcp

MCP server Claude CodeCodexCursor +2

Crypto market intelligence MCP — pay-per-tool-call in USDC on Base via the x402 protocol. Runs locally from the kerdos-x402-mcp npm package. Needs 2 environment variables to run.

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

actually

1020

Sofiia7/actually

Plugin Claude Code

Bundles 1 skill, 2 MCP servers · 55 tokens together

Look up what a Polymarket prediction market is pricing for a claim about the future, instead of guessing. Read-only by default; optional spend-capped trading with your own key.

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

boltwork-mcp

1021

Squidboy30/boltwork-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Boltwork - AI services via Bitcoin Lightning. Runs locally from the boltwork-mcp Python package. Needs 3 environment variables to run.

not rated 0 3mo ago A tokens not measured

synapse-agentpay

1023

SynapseNetworkAI/Synapse-Network-MCP-Server

Skill Claude CodeCodex

Use this skill when a user wants an AI agent to discover paid APIs, invoke services through SynapseNetwork, pay with USDC micropayments, or retrieve receipts using the Synapse Network MCP Server.

not rated 0 2mo ago A 46 tokens original MIT

obyte-mcp

1025

Taump/obyte-mcp

MCP server Claude CodeCodexCursor +2

Query Obyte mainnet and testnet: balances, units, autonomous agents, AA state, dry runs, tokens. Runs locally from the obyte-mcp npm package. Needs 4 environment variables to run.

not rated 0 22d ago A tokens not measured original MIT

secondeye-mcp-unblock

1026

This-Is-Hellgate/secondeye-mcp

MCP server Claude CodeCodexCursor +2

Agent workflow diagnostics and capability routing over MCP with x402 settlement on Base. Runs locally from the @secondeyes/mcp-unblock npm package. Needs 1 environment variable to run.

not rated 0 3mo ago A tokens not measured

trenchfu-mcp

1027

WizzyDev/trenchfu-mcp

MCP server Claude CodeCodexCursor +2

Intelligence marketplace on Solana — 86 tools, 168+ endpoints, per-call USDC. Remote server at mcp.trenchfu.com.

not rated 0 4mo ago A tokens not measured

agent-bank

1028

WirterNow/ai-agent-bank-mcp-server

MCP server Claude CodeCodexCursor +2

Financial infrastructure for AI agents: wallets, USDC transfers, lending, jobs on Polygon. Runs locally from the ai-agent-bank-mcp-server npm package.

not rated 0 5mo ago A tokens not measured original MIT

p402

1029

Z333Q/p402-protocol

Skill Claude CodeCodex

Build cost-aware AI applications with P402.io, the payment-aware AI orchestration layer combining multi-provider LLM routing (300+ models) with x402 stablecoin micropayments on Base. Use this skill when the user wants to: route AI requests across providers with cost/speed/quality optimization, add spending limits or…

not rated 0 1mo ago A 171 tokens original MIT

atv

1030

aarna-ai/atv-sdk

MCP server Claude CodeCodexCursor +2

Access Aarna's DeFi yield vaults — query NAV/TVL/APY, build transactions, track portfolios. Runs locally from the @aarna-ai/mcp-server-atv npm package. Needs 1 environment variable to run.

not rated 0 5mo ago A tokens not measured original MIT

agentforge

1031

acarchidi/agentforge

Skill Claude CodeCodex

Free DeFi lookups (384-contract label registry, Solana program registry, full service catalog) plus optional pay-per-call x402 APIs for wallet safety, token risk / rug check scoring, transaction decode and simulate, and smart contract docs — on Ethereum, Base, and Solana. Use when an agent needs to check wallet…

not rated 0 2mo ago A 119 tokens

negbit

1032

ag3ntlab-ai/negbit

MCP server Claude CodeCodexCursor +2

Buy negbit's curated, provenance-verified knowledge bundles with your own x402 wallet. Read-only. Runs locally from the negbit-mcp npm package. Needs 1 environment variable to run.

not rated 0 2mo ago A tokens not measured CC-BY-SA-4.0

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