Web3 & Decentralized Tech
Access to Web3 ecosystems including blockchains, decentralized storage, and identity systems. Enables interaction with decentralized applications, crypto wallets, and autonomous organizations.
MCP ServersBrowse all →
AlicenseBqualityAmaintenanceNon-custodial cross-chain OTC for AI agents: sealed RFQ, negotiation and HTLC atomic swaps across Bitcoin, Ethereum, Base, Robinhood Chain, TRON and Solana. Live on mainnet.217569 npmMIT
Nodit MCP Serverofficial
AlicenseAqualityBmaintenanceConnects AI agents and developers to structured blockchain data across multiple networks through Nodit's Web3 infrastructure, enabling easy querying, analysis and interaction with blockchain ecosystems without specialized development expertise.6978 npm23Apache 2.0- AlicenseAqualityDmaintenanceFork from Etherscan dedicated for chain-id 17566 npmMIT
- AlicenseAqualityDmaintenanceProvides AI agents with direct access to the Ray Group DeFi UX rubric, named patterns, and cognitive-bias glossary for grounded UX assessments of DeFi protocols.5MIT

Klever MCP Serverofficial
AlicenseAqualityBmaintenanceAn MCP server for Klever blockchain smart contract development, providing contextual knowledge including code patterns, best practices, and runtime behavior.2376 npm31MIT
P2Flux MCPofficial
AlicenseAqualityAmaintenanceLet your AI assistant pay for web content in USDC (x402 on Base) within a budget you set. Inside the budget it pays on its own; above it you are asked to confirm. The wallet key stays on your computer. For claude.ai and ChatGPT there is a remote server (https://agent.p2flux.com/mcp) where you approve each payment in your own browser wallet.7132 npmMIT
bitmap-mcpofficial
AlicenseAqualityDmaintenanceProvides real-time Bitcoin on-chain data including Bitmap districts, Ordinals inscriptions, Runes, sat rarity, block details, and current fees via the Model Context Protocol, with zero configuration required.68 npmMIT- AlicenseAqualityCmaintenanceEnables AI agents to run free, no-signup Ethereum on-chain lookups over a remote HTTP endpoint: wallet ETH balance, contract/EOA detection, outbound transaction counts and simple risk heuristics, plus NFT metadata (name, description, image URLs, IPFS gateway links and raw tokenURI/uri JSON) for ERC-721 and ERC-1155 tokens. Reads only, with cached results and no key, account, or wallet connection required.42651 npmMIT

ORDnet MCP Serverofficial
AlicenseAqualityAmaintenanceORDnet MCP Server enables AI agents to create permanent, censorship-resistant Web3 content on the Bitcoin SV blockchain using 1SatOrdinals. It provides tools for inscriptions, domain registration, payments, and agent identity management.45MIT
eCash MCP Serverofficial
AlicenseAqualityDmaintenanceEnables AI agents to interact with the eCash ecosystem on Base mainnet, providing tools for mining, wallet operations, job marketplace, and reputation management.20MIT
PFT Chatbot MCPofficial
AlicenseAqualityDmaintenanceEnables building encrypted, on-chain chatbots on the PFTL network. Allows LLMs to send and receive encrypted messages, register bots, and manage wallet operations.19 npm2MIT
@cryptoapis-io/mcpofficial
AlicenseAqualityBmaintenanceMCP server for Crypto APIs Transactions Data. Enables lookup of transaction details by hash across EVM, UTXO, Solana, XRP, and Kaspa blockchains.678 npmMIT
proofcore-mcpofficial
AlicenseAqualityAmaintenanceZero-auth cryptographic notarization and PoE (Proof-of-Existence) layer on the TON Blockchain for AI outputs, smart contract audits, and agreements.41MIT
VeChain MCP Serverofficial
AlicenseAqualityAmaintenanceEnables AI assistants to search VeChain documentation, query blockchain data (blocks, transactions, accounts), and interact with tokens, NFTs, and VeBetterDAO tools through the Model Context Protocol.7614 npm5MIT
elisymofficial
AlicenseAqualityAmaintenanceLets AI assistants (Claude, Cursor, Windsurf) discover, hire, and pay other AI agents over the elisym network - decentralized agent marketplace on Nostr with on-chain Solana payments. Customer-mode tools for agent discovery, job submission, wallet management, and identity.3819MIT- AlicenseBqualityBmaintenanceMCP server for Indigo Protocol on Cardano — exposes iAsset prices (iUSD, iBTC, iETH, iSOL), CDP/loan analytics, stability pools, INDY staking, governance, and DEX data to LLM agents.69110 npm6MIT

Codex MCP Serverofficial
AlicenseBqualityCmaintenanceProvides enriched blockchain data from Codex for use with MCP-compatible clients like Claude Desktop.2519 npm25ISC
Initia MCPofficial
AlicenseBqualityDmaintenanceEnables interaction with the Initia blockchain ecosystem across L1 and L2 rollups, supporting MiniEVM, MiniMove, and MiniWasm environments. Users can query chain state, manage assets, and execute transactions through LLM agents or an integrated CLI.10024 npmApache 2.0
valorem-mev-mcpofficial
AlicenseAqualityDmaintenanceGives MCP-compatible LLM agents direct access to real-time MEV and DeFi data via Valorem's x402-paid API endpoints, with payments in USDC on Base mainnet.923 npmMIT- AlicenseAqualityBmaintenanceMCP server for Crypto APIs Prepare Transactions product that builds unsigned EVM transactions for native coin, fungible token (ERC-20), and NFT (ERC-721) transfers.863 npmMIT
- AlicenseAqualityAmaintenanceReal-time non-custodial crypto swap rates, fees, and on-chain routing across 240+ multi-chain pairs.142MIT

aiden-mcpofficial
AlicenseAqualityCmaintenanceEnables MCP clients such as Claude to look up AI agents registered in the ERC-8004 registries on Robinhood Chain, retrieving profiles, owners, feedback, validations, settlement evidence, and USDG-weighted trust scores. It is read-only and requires no wallet or API key, and can be reached either as a hosted remote endpoint or locally via npx.6128 npmMIT- AlicenseAqualityAmaintenanceMCP server for the Elfa API, providing crypto social intelligence from X and Telegram, including trending, mentions, narratives, and market chat. It also supports Auto, a condition engine for automated monitoring and actions.16712 npm7MIT

XRPName MCP Serverofficial
AlicenseAqualityAmaintenanceEnables AI agents to look up XRPL domain availability, pricing, profiles, portfolios, and transaction status, and to get registration links for signing in the user's own wallet.1051 npm1MIT
halowerk-mcpofficial
AlicenseAqualityCmaintenanceProvides access to 70 paid APIs as MCP tools with per-call and session budgets, paying via x402/USDC on Base without requiring an account or login. Includes a built-in allowlist of hosts and safe defaults to prevent unintended payments.1430 npmMIT
erebrus-mcpofficial
AlicenseBqualityDmaintenanceMCP server for deploying and managing Erebrus decentralized VPN nodes, API keys, and file uploads.40GPL 3.0
@payre/mcpofficial
AlicenseAqualityCmaintenanceEnables AI assistants to securely interact with Payre's Web3 payment gateway for generating crypto checkout invoices, monitoring settlements, managing payout destinations, and inspecting analytics.18MIT- AlicenseAqualityAmaintenanceProvides read-only access to public referral deals and codes, races and leaderboards, DeFi interface restriction data, x402 catalogs, cp0x facts, and open-source repository listings. Supports natural-language queries such as finding deals for a venue or checking interface restrictions by country.12MIT

Helius MCPofficial
AlicenseBqualityAmaintenanceMCP server for Helius — Solana blockchain data access for AI assistants, provided by Solana's fastest, most reliable infrastructure provider10866 npm29MIT- AlicenseBqualityFmaintenanceImplements the Model Context Protocol to allow AI models to access and interact with blockchain data, including reading contract states, retrieving events, and accessing transaction information across various networks.1050 npm78MIT
MCP ConnectorsBrowse all →
Check any x402 endpoint before your AI agent pays it: trust grade, verdict, and hijack checks.
WHOIS, RDAP, DNS, IP / ASN / CIDR and Web3 name (ENS, Unstoppable, Handshake) lookups. No API key.
Real-time crypto futures order flow, liquidation cascades, and quantitative TA metrics across 1,650+ perpetuals (Binance, Bybit, Hyperliquid). Delivers ultra-dense, token-efficient summaries and async SSE alerts directly into AI agent context without burning tokens on raw OHLCV candles.
Pre-trade token safety check for AI agents. Simulates a sell before you buy, then returns one low/medium/high/unknown verdict with the signals behind it: sellability, buy/sell tax, liquidity depth, pair age, same-ticker impersonation, owner powers from bytecode. Ethereum, BSC, Base, Solana. Fail-closed - a check that cannot run answers unknown, never low. Publishes its own measured error rate with the benchmark harness in the repo. Free, no signup, no API key, MIT.
Safe to sign? EVM/Solana/XRPL/Algorand/Stellar txs, permits, tokens; OFAC screen: green/orange/red
Pay-per-call MCP tools for agents: 20 free calls a day, then pay per call with x402 (USDC on Base mainnet) or a prepaid spend key. 30 tools — text/data utilities, x402/EVM-native tools (decode an x402 challenge, verify a settlement receipt on-chain, EIP-712 hashing, ABI encode/decode, Merkle-proof verify, keccak256, EIP-55 address checks) and independent providers' tools priced from $0.001. Signed delivery receipts. No sign-up.
Pay-per-call x402 API for AI trading agents: pre-trade security checks, Polymarket & HIP-4 odds.
Build any crypto agent: x402, ERC-8004, wallets. Does a server take your key? Hosted? Maintained?
Swap, bridge and get gas on 6 EVM chains. Each plan states its outcome before you sign. No API key.
Best-route swap quotes, token search and USD prices across EVM chains. Read-only, never trades.
Real-time non-custodial crypto swap estimates and on-chain routing across 240+ pairs.
354 tools: balances, blocks, gas, txs and logs on 5 EVM chains, plus Bitcoin. 25 free calls.
Shielded proof-of-existence timestamps on BitcoinZ (zk-SNARKs). Free trial: 3 proofs.
Live Base Mainnet on-chain data (gas, DEX, Aave, token risk, prices). Pay per call in USDC via x402.
Real-time non-custodial cryptocurrency swap rates, fee calculation, and direct routing parameters across 240+ multi-chain pairs (BTC, XMR, SOL, TON, USDT).
Gasless MEV-protected swaps + cross-chain quotes across EVM chains — incl. tokenized stocks.
NFT market data on 12 networks: floors, sales, trader profit, mints. Non-custodial trades.
Paid APIs for agents (x402 index) + SEC filings, wallet risk, OFAC, EVM reads, agent memory, news
Token risk checks on BSC, ETH, Base and Arc: trades the token on a fork. Paid in USDC via x402.
MCP Server for Orderly Network - Documentation and SDK patterns