Web3 and blockchain

manteclaw/mcp-server-bridge-security

Skill Claude CodeCodex

Cross-chain bridge security auditing toolkit exposed as an MCP server via stdio.

manteclaw/mcp-server-onchain-forensics

Skill Claude CodeCodex

On-chain forensics toolkit exposed as an MCP server via stdio.

manteclaw/mcp-server-bug-bounty

Skill Claude CodeCodex

Automated bug bounty hunting toolkit exposed as an MCP server via stdio.

phon3/Polymarket-MCP

Skill Claude CodeCodex

Query Polymarket prediction market data via The Graph subgraphs + Polymarket REST APIs (Gamma + CLOB) — 31 tools for market search, live prices, on-chain analytics, trader P&L, open interest, resolution status, and more.

PaulieB14/graph-uniswap-mcp

Skill Claude CodeCodex

Simulate a Uniswap swap before making it — amount out, effective price, price impact — computed offline from The Graph with the protocol's own concentrated-liquidity math. Also pools, token prices, pair lookup and live swap flow across Uniswap V2/V3/V4 on Ethereum, Arbitrum, Base, Polygon, Optimism and BSC. Trigger…

marblerace/zoraHoldersAI

MCP server Claude CodeCodexCursor +2

MCP server "onchain-text2sql-agent" as configured in marblerace/zoraHoldersAI. Runs locally from the onchain-text2sql-agent Python package.

Cyberweasel777/botindex-mcp

MCP server Claude CodeCodexCursor +2

MCP server for BotIndex — Crypto market intelligence API. Predictive signals, whale divergence, convergence scoring, network intelligence. Verifiable track record. Runs locally from the botindex-mcp-server npm package.

edycutjong/linelock

Skill Claude CodeCodex

Buy and audit World Cup betting edges from LineLock over Injective x402. Use when the user wants the next knockout pick (model probability vs market odds + a conviction staking ladder), wants to pay per-call in USDC without an API key, or wants to audit a tipster's settled record by closing-line value (CLV). Handles…

cornerblue/aibtc-mcp-server-orphan

Skill Claude CodeCodex

Bitcoin L1 wallet for agents - check balances, send BTC, manage UTXOs. Extends to Stacks L2 (STX, DeFi) and Pillar smart wallets (sBTC yield).

ExpertVagabond/robinhood-chain-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Robinhood Chain (Arbitrum Orbit L2, chainId 4663) — JSON-RPC reads, explorer-indexed token discovery, EIP-3009/USDG tooling, and unsigned transaction builders. Never holds keys. Runs locally from the @purplesquirrel/robinhood-chain-mcp npm package.

spcpza/bitcoin-mcp

MCP server Claude CodeCodexCursor +2

MCP server "bitcoin" as configured in spcpza/bitcoin-mcp. Launched with bitcoin-mcp. Needs 2 environment variables to run.

0xmonas/cobbee-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Cobbee — AI agents manage profiles, products, and payments via OWS wallet + SIWA auth. Runs locally from the @cobbee-mcp/server npm package.

bbsyaya/mcp-server-tld

MCP server Claude CodeCodexCursor +2

MCP server for JustLend V1 DAO on TRON blockchain. Supports supply, borrow, repay, withdraw, market data, mining rewards (USDD/WBTC), API integration, general TRON chain utilities, and AI-guided DeFi prompts. Runs locally from the mcp-server-tld npm package. Needs 2 environment variables to run.

drtiibiird/helius-forensics-mcp

MCP server Claude CodeCodexCursor +2

MCP server "helius-forensics-mcp" as configured in drtiibiird/helius-forensics-mcp. Runs locally from the helius-forensics-mcp npm package.

SentraMCP/sentra-sdk

MCP server Claude CodeCodexCursor +2

An MCP server that detects potential rug pull risks in Solana meme tokens. Runs locally from the rug-check-mcp Python package.

aibtcdev/stacks-mcp-server

MCP server Claude CodeCodexCursor +2

MCP server "stacks-mcp-server" as configured in aibtcdev/stacks-mcp-server. Runs locally from the @aibtcdev/stacks-mcp-server npm package.

gnyselcuk/Kirpyv3-mcp-server

Skill Claude CodeCodex

Connect to the KirpyV3 AI Trading Arena — a competitive platform where AI agents trade crypto (BTC, ETH, SOL) with paper money, post to a global arena chat, and compete on a live leaderboard. This skill enables you to register, monitor your bot, interact with the market, and participate in the arena.

teodorofodocrispin-cmyk/sentinel-public

Skill Claude CodeCodex

Pre-execution transaction safety check for autonomous AI agents — one capability of the SENTINEL trust oracle (sentinel-agent.dev). Before signing an on-chain transaction on Base, an agent calls SENTINEL and receives a SAFE / UNSAFE / UNKNOWN verdict, a SENTINEL Score (0-100, grade AAA-D), and an ed25519-signed…

amitboker/anchor-mcp

MCP server Claude CodeCodexCursor +2

Generate MCP tools from any Solana Anchor program's IDL — let AI agents read & simulate its instructions with zero per-program code. Runs locally from the anchor-mcp npm package.

shubhamdusane/mcp-blockchain

MCP server Claude CodeCodexCursor +2

MCP server "mcp-blockchain" as configured in shubhamdusane/mcp-blockchain. Runs locally from the mcp-blockchain npm package.

DarshanKrishna-DK/Hedwig

MCP server Claude CodeCodexCursor +2

MCP server "hedwig-wallet-mcp" as configured in DarshanKrishna-DK/Hedwig. Runs locally from the hedwig-wallet-mcp npm package.

jcislo/isocast-mcp

MCP server Claude CodeCodexCursor +2

MCP server for Isocast — Polymarket weather-market bucket-transition signals for agents: buy prepaid signal bundles with USDC via x402, poll entitled signals, and register Telegram push delivery. Runs locally from the isocast-mcp npm package. Needs 2 environment variables to run.

augstentatious/proofpay-agent

Skill Claude CodeCodex

Create payment-gated invoices and release sealed deliverables.

Tobiinsaurralde/solana-mcp

MCP server Claude CodeCodexCursor +2

A Model Context Protocol server exposing read-only Solana tools: SOL price, wallet balance, SPL token balances, and recent transactions. Runs locally from the solana-execution-mcp npm package.