Blockchain address risk scoring, AML reports, sanctions screening and counterparty exposure.

TON liteservers over ADNL: balances, history, get-methods, non-custodial DEX and cross-chain swaps

Hosted MCP server for crypto and blockchain data from Bitquery. 314 read-only tools across 19 chains, including Ethereum, Solana, Bitcoin, Base, BNB Chain, Tron, Arbitrum and Polygon. What your agent can do: - Token prices, OHLCV candles, market cap and supply, including tokens that are not listed on CoinGecko or CoinMarketCap - DEX trades, trending and newly launched tokens (pump.fun), early buyers and launch stats - Top traders, wallet positions and estimated PnL - Wallet fund tracing, flow summaries and address labels (exchanges, mixers, scams) - Polymarket odds, trades and holders; Hyperliquid perps, funding, open interest and liquidations - Read-only SQL over Bitquery's data for questions no tool covers Sign in with your Bitquery account (OAuth). A 7-day trial includes 100 free credits; after that, a paid MCP plan is needed. Docs: https://docs.bitquery.io/docs/mcp/mcp-server/

Search and read BlockVectra documentation, discover supported chains and RPC methods, check network status, and estimate usage through 15 MCP tools. Includes Robinhood Chain mainnet and testnet. Documentation and discovery tools work without an API key. Public RPC reads follow each chain's method and rate limits; Data API, account tools, and authenticated operations require a BlockVectra API key.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required - just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

uptime_30d 1.0%; conformance: fail

RPC gateway for agents: six mainnets, measured failover, a key without signup, pay per call in USDC.

Free, keyless MCP server with 50 read-only blockchain tools for Bitcoin, Ethereum, and Mezo. No installation, no API key required - just add the URL to your MCP client and start querying balances, transactions, blocks, ENS names, ERC-20 tokens, smart contracts, and more. Runs on Cloudflare's global edge network via Streamable HTTP. All tools are strictly read-only and stateless.

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uptime_30d 1.0%; p95 337.2ms; conformance: fail

This tool lets you play with the COTI blockchain right from your AI assistant.

Search and retrieve Avalanche blockchain documentation for building on AVAX.

MCP server for Klever blockchain smart contract development.

Zero-Auth Cryptographic Notarization & Evidence Layer on TON Blockchain for AI Agents.

Check any wallet against the on-chain record of stablecoin freezes, blacklistings and seizures: USDT, USDC and 442 more coins on 35 blockchains. Every record is dated and cites the transaction and block. Six read-only tools: check a wallet, a coin's freeze and blacklist history, recent events by coin and chain, whole-record totals, the largest freezes and seizures, and what the record covers. No risk scores, no advice, no account needed for the basic check.

Blockchain-as-a-service solution that provides high-quality connection via API

On-chain blockchain data for AI agents across Ethereum, Bitcoin, and Hyperliquid.

Real-time DEX data, liquidity pools, token prices, and trading volumes across blockchain networks.

Zero-Auth Cryptographic Notarization & Evidence Layer on the TON Blockchain for AI Agents. ### 🛡️ Why ProofCore? - **100% Free & Zero-Auth:** 100 req/hour free tier. No API keys, subscriptions, or wallets required. - **Instant Ed25519 Attestation:** Real-time server-signed cryptographic receipts. - **Zero-Storage:** Raw payloads are never stored. Only SHA-256 Merkle hashes are anchored on-chain. - **Zero Vendor Lock-in:** Download autonomous Offline Evidence ZIP packages containing standalone Python/HTML verifiers. - **Agent-to-Agent Verification:** Programmatically verify outputs from other AI agents. ### 🛠 Tools (4): - `seal_content`: Cryptographically commit text/audits to TON Blockchain with Ed25519 signature. - `get_proof_status`: Query blockchain confirmation, Merkle root, and transaction hash. - `verify_content`: Programmatically verify a sealed deal (hash match + Ed25519 signature + TON anchor). - `get_public_key`: Fetch notary Ed25519 public key for offline verification.

🖥️ Let AI Agents Buy & Manage Cloud Infrastructure with x402 protocol. Browse, purchase, and manage your VPS and blockchain node infrastructure on EasyNode - all from within your favorite AI-powered agent/IDE. Powered by x402 protocol on Base.

Deploy and manage blockchain nodes across 70+ protocols, search docs, request testnet funds.

Execute cross-chain and same-chain token swaps, fee estimation, and trade execution across major blockchain networks.

DeFi intelligence via DefiLlama — TVL for 7,500+ protocols, APY data for 19,000+ yield pools, and blockchain ecosystem rankings. Filter by chain, project, token, or minimum APY.

Manage cryptocurrency portfolios across multiple blockchains through integrated swaps, transfers, and real-time price tracking. Discover and execute DeFi yield strategies to earn passive income while monitoring risk scores and performance. Simplify complex blockchain tasks with automated payment authorizations and a comprehensive guide for secure asset management.

Provide AI agents and automation tools with contextual access to blockchain data including balances, tokens, NFTs, and contract metadata. Enable multi-chain support and deliver enhanced user experience with progress notifications for long-running queries. Facilitate seamless integration with AI hosts like Claude Desktop for blockchain data analysis.

Blockchain RPC for 125+ chains: endpoints, method support, probing and RPC calls with your key.

Provide AI agents and automation tools with contextual access to blockchain data including balance…

Sashimi-grade flash-frozen fish from Pranburi, Thailand. Browse the live catalog, place orders as a guest or as a registered wholesale customer, and independently verify catch records and cold-chain temperature logs on the Midnight blockchain. Delivery within Thailand only. B2B wholesale enquiries: LINE @284ezjvm.

MCP server for TurboPentest. Blockchain-attested collaborative agentic penetration testing from your AI assistant.

**AI-powered smart contract forge** with an 8-agent adversarial security audit system. ### Tools | Tool | Cost | |---|---| | `pentagonal_audit` — 8-agent security pen test | $5 | | `pentagonal_generate` — contracts from natural language | $5 | | `pentagonal_fix` — fix vulnerabilities | Free | | `pentagonal_compile` — Solidity → ABI + bytecode | Free | | `pentagonal_lookup` — token intelligence + honeypot detection | Free | | `pentagonal_rules` — self-learning security rules | Free | | `pentagonal_chains` — supported blockchains | Free | ### Chains Ethereum · Polygon · Base · Arbitrum · Optimism · BSC · Avalanche · Solana ### Payment Agents pay per-use via **x402 USDC on Base** — no account needed. Human users pay with crypto credits.

**AI-powered smart contract forge** with an 8-agent adversarial security audit system. ### Tools | Tool | Cost | |---|---| | `pentagonal_audit` — 8-agent security pen test | $5 | | `pentagonal_generate` — contracts from natural language | $5 | | `pentagonal_fix` — fix vulnerabilities | Free | | `pentagonal_compile` — Solidity → ABI + bytecode | Free | | `pentagonal_lookup` — token intelligence + honeypot detection | Free | | `pentagonal_rules` — self-learning security rules | Free | | `pentagonal_chains` — supported blockchains | Free | ### Chains Ethereum · Polygon · Base · Arbitrum · Optimism · BSC · Avalanche · Solana ### Payment Agents pay per-use via **x402 USDC on Base** — no account needed. Human users pay with crypto credits.

get_whale_movements Recent large 'whale' transactions (buys, sells, transfers) across 34+ EVM chains. Use to see what smart money is doing right now. get_wallet_intel Wallet intelligence for a specific address: balances, recent activity, labels, and smart-money score. Supports multichain lookup. get_market_overview Crypto market overview — prices and stats for major tracked tokens. list_supported_chains List the 34+ blockchains CryptoPulse tracks (id, name, symbol, category). get_smart_money Recent smart-money wallet activity — moves by high-scoring funds, market makers, and notable wallets. get_bot_status Status of the CryptoPulse Alpha trading bot — active strategy version, symbol, and performance stats. get_trading_signals Latest algorithmic buy/sell trading signals from the Alpha bot (entry, stop-loss, take-profit). Requires a Trader or API plan key.

72 x402 endpoints: trading, AI inference, blockchain, escrow. USDC on Base+Solana.

MCP server for KeeperHub blockchain workflow automation

Arkham blockchain intelligence: entities, labels, balances, transfers, tokens and Polymarket.

Alchemy's hosted MCP server for blockchain APIs and onchain data.

Arkham blockchain intelligence: entities, labels, balances, transfers, tokens and Polymarket.

Agent payment infrastructure for stablecoin transfers, 150+ currency swaps, and Hedera blockchain settlements.

Manage your blockchain infrastructure across 80+ chains with your agents.

Blockchain intelligence for tracing funds, screening addresses, and investigating on-chain activity.

Manage blockchain RPC keys, networks, usage and prepaid billing with a scoped SolidRPC token.

TPermanent memory layer for AI agents. Mint moments to the Polygon blockchain via MCP.

Tenderly MCP server for blockchain dev — simulate, debug, and test on 70+ networks.

An MCP server that provides read-only access to the Ethereum blockchain

Prove you made it first. Blockchain Timestamp creative work via Claude or any MCP-enabled AI Agent.

Optimize TRON transaction costs by purchasing and managing Energy or Bandwidth at market rates. Monetize idle resources through automated pool management, delegation, and reward claiming. Simplify blockchain operations with automatic energy delegation for token swaps and transaction broadcasting.

Real-time DEX data, liquidity pools, token prices, and trading volumes across blockchain networks.

Reverse engineering MCP server: 18 tools — smart contract analysis (Solidity, EVM, blockchain), binary analysis & decompilation (Ghidra), static analysis, APK audit, WebAssembly (WASM) analysis, Electron security audit, pcap packet capture… — 22 runs

Breezing MCP server provides access to the Breezing API: read and update transactions, wallets, assets, and balances across 40+ blockchains and 15+ exchanges. Categorize transactions by mapping contra accounts from the chart of accounts, manage balance sheet mappings, and prepare data for syncing to Xero or QuickBooks.

28 pay-per-call APIs for AI agents via HTTP 402 crypto micropayments. Image generation, LLM inference, code execution, audio transcription, crypto market data, blockchain analytics, ENS resolution, IPFS storage, and travel search. Pays with USDC on Base/Solana or USDm on MegaETH.

AgentRails provides x402 payment tools for AI agents. Enables autonomous agent-to-agent and agent-to-API payments using the x402 HTTP payment protocol with USDC on blockchain. Tools include x402 payment execution and history, agent lifecycle management, billing usage tracking, and spending policy enforcement. Built for enterprise AI agent workflows that require programmatic payment capabilities.

Evaluate Solana SPL tokens for security risks and safety scores instantly. Provides concise risk summaries and screenings to protect against potential threats. Simplifies complex blockchain data into actionable safety insights for traders.

Ask SubQuery is an AI-powered GraphQL Agent for exploring SubQuery projects and Subgraphs. Ask questions in natural language about indexed blockchain data. The agent performs schema introspection and generates accurate GraphQL queries automatically. Streamline your dApp integration - no need to manually craft complex queries. Get API Key: https://asksubquery.xyz/?referrer_code=SMITHERY

Real-time DEX and on-chain data across 36 blockchains and 230+ DEXes, covering over 96% of on-chain DEX volume. Liquidity pools, token prices, OHLCV candles, swap transactions, and cross-chain search. No API key needed to start.

# @one-source/mcp Unified MCP server for [OneSource](https://docs.onesource.io) — 31 tools for blockchain data, live chain queries, and API documentation in a single server. Combines [`@one-source/api-mcp`](https://www.npmjs.com/package/@one-source/api-mcp) (22 tools) and [`@one-source/docs-mcp`](https://www.npmjs.com/package/@one-source/docs-mcp) (9 tools) so your AI assistant gets full access to OneSource with one MCP connection. > **What is MCP?** The [Model Context Protocol](https://modelcontextprotocol.io) lets AI assistants call tools and access data sources. This server exposes both the OneSource blockchain API and its documentation as tools. ## Quick Start ### Claude Code ```bash claude mcp add onesource -- npx @one-source/mcp ``` ### Claude Desktop / Cursor Add to your MCP config: ```json { "mcpServers": { "onesource": { "command": "npx", "args": ["-y", "@one-source/mcp"] } } } ``` ### Any MCP Client (stdio) ```bash npx @one-source/mcp ``` ### HTTP Server (self-hosted) ```bash npx @one-source/mcp --http npx @one-source/mcp --http --port=8080 ``` Then connect your MCP client to `http://localhost:3000/`. ## Tools (31) ### Blockchain API — Live Chain (12 tools) | Tool | Description | |------|-------------| | `1s_allowance_live` | ERC20 allowance check | | `1s_contract_info_live` | Contract type detection via ERC165 | | `1s_erc1155_balance_live` | ERC1155 balance via RPC | | `1s_erc20_balance_live` | ERC20 balance via balanceOf | | `1s_erc20_transfers_live` | ERC20 Transfer logs via eth_getLogs | | `1s_erc721_tokens_live` | ERC721 token enumeration | | `1s_events_live` | Event logs via eth_getLogs | | `1s_multi_balance_live` | ETH + multiple ERC20 balances | | `1s_nft_metadata_live` | NFT metadata via tokenURI | | `1s_nft_owner_live` | NFT owner via ownerOf | | `1s_total_supply_live` | Token total supply | | `1s_tx_details_live` | Transaction + receipt via RPC | ### Blockchain API — Chain Utilities (10 tools) | Tool | Description | |------|-------------| | `1s_contract_code` | Contract bytecode | | `1s_ens_resolve` | ENS name/address resolution | | `1s_estimate_gas` | Gas estimation | | `1s_network_info` | Chain ID, block number, gas price | | `1s_nonce` | Transaction count | | `1s_pending_block` | Pending block from mempool | | `1s_proxy_detect` | Proxy contract detection | | `1s_simulate_call` | Simulate eth_call | | `1s_storage_read` | Read storage slot | | `1s_tx_receipt` | Transaction receipt | ### Documentation (9 tools) Read-only, no API key required. | Tool | Purpose | When to use | |------|---------|-------------| | `search_docs` | Keyword search across all documentation | Finding guides, concepts, or API patterns | | `get_query_reference` | Full reference for a root GraphQL query | Building a specific query with correct args/filters | | `get_type_definition` | Schema definition for any type/enum/input | Understanding field shapes and return types | | `list_examples` | Browse or search working GraphQL examples | Finding ready-to-use query patterns | | `list_supported_chains` | All supported blockchain networks + endpoints | First question: "What chains are supported?" | | `get_filter_reference` | Filter fields and operators for a list query | Building filtered queries with correct syntax | | `get_pagination_guide` | Cursor-based pagination pattern with examples | Implementing pagination for list queries | | `get_schema_overview` | High-level summary of the entire schema | Exploring the API surface before diving in | | `get_authentication_guide` | API key format, headers, and endpoints | Setting up authentication for the first time | ## Networks All blockchain API tools accept an optional `network` parameter: | Network | Description | |---------|-------------| | `ethereum` | Ethereum mainnet (default) | | `sepolia` | Ethereum Sepolia testnet | | `avax` | Avalanche C-Chain | ## Payment (x402) Blockchain API endpoints are priced in USDC on Base via [x402](https://github.com/coinbase/x402). When the backend has payments enabled, tool calls return a 402 with payment details. Agents using [`@x402/fetch`](https://www.npmjs.com/package/@x402/fetch) handle this automatically. Documentation tools are always free — no API key or authentication needed. ## License Apache 2.0

Live tools for USDi, a CPI-indexed cryptocurrency: current exchange rate, contract/pool addresses, and mint/redeem mechanics, read directly from the blockchain.

Thru blockchain explorer: blocks, transactions, accounts, and program ABIs on the Thru RISC-V L1

Thru blockchain explorer: blocks, transactions, accounts, and program ABIs on the Thru RISC-V L1

🖥️ Let AI Agents Buy & Manage Cloud Infrastructure with x402 protocol. Browse, purchase, and manage your VPS and blockchain node infrastructure on EasyNode - all from within your favorite AI-powered agent/IDE. Powered by x402 protocol on Base.

Query SQD Portal datasets across blockchains, including native Tron transactions and events.