Blockscout
The Model Context Protocol (MCP) is an open protocol designed to allow AI agents, IDEs, and automation tools to consume, query, and analyze structured data through context-aware APIs. This server wraps Blockscout APIs and exposes blockchain data—balances, tokens, NFTs, contract metadata—via MCP so that AI agents and tools (like Claude, Cursor, or IDEs) can access and analyze it contextually. - Contextual blockchain data access for AI tools - Multi-chain support via Blockscout PRO API configuration with Chainscout metadata enrichment - Versioned REST API: Provides a standard, web-friendly interface to all MCP tools. See API.md for full documentation. - Custom instructions for MCP host to use the server - Intelligent context optimization to conserve LLM tokens while preserving data accessibility - Smart response slicing with configurable page sizes to prevent context overflow - Opaque cursor pagination using Base64URL-encoded strings instead of complex parameters - Automatic truncation o
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Overview
The Model Context Protocol (MCP) is an open protocol designed to allow AI agents, IDEs, and automation tools to consume, query, and analyze structured data through context-aware APIs. This server wraps Blockscout APIs and exposes blockchain data—balances, tokens, NFTs, contract metadata—via MCP so that AI agents and tools (like Claude, Cursor, or IDEs) can access and analyze it contextually. - Contextual blockchain data access for AI tools - Multi-chain support via Blockscout PRO API configuration with Chainscout metadata enrichment - Versioned REST API: Provides a standard, web-friendly interface to all MCP tools. See API.md for full documentation. - Custom instructions for MCP host to use the server - Intelligent context optimization to conserve LLM tokens while preserving data accessibility - Smart response slicing with configurable page sizes to prevent context overflow - Opaque cursor pagination using Base64URL-encoded strings instead of complex parameters - Automatic truncation o
Capabilities
- get_address_by_ens_name
Resolve addresses and tokens — Ask to convert an ENS name to an address with `get_address_by_ens_name` or find token addresses by symbol via `lookup_token_by_symbol`.
- get_address_info
Inspect wallets and contracts — Get full address details, ERC-20 holdings, NFT collections, and verified contract source code using `get_address_info`, `get_tokens_by_address`, `nft_tokens_by_address`, and `inspect_contract_code`.
- get_transactions_by_address
Query on-chain activity — Retrieve transactions, token transfers, and block details for any address or chain with `get_transactions_by_address`, `get_token_transfers_by_address`, and `get_block_info`.
- read_contract
Read contract state — Execute read-only smart contract functions directly with `read_contract` using a provided ABI, or fetch the ABI itself via `get_contract_abi`.
- get_chains_list
Explore chains and raw data — List supported chains with `get_chains_list` or call any raw Blockscout API endpoint through `direct_api_call` for advanced queries.
Installation
docker run --rm -i sparfenyuk/mcp-proxy:latest --transport streamablehttp --headers Blockscout-MCP-Pro-Api-Key proapi_your_key_here --headers Blockscout-MCP-Intermediary ClaudeDesktop https://mcp.blockscout.com/mcp
Configuration
{
"mcpServers": {
"mcp-server": {
"url": "https://mcp.blockscout.com/mcp"
}
}
}Paste into ~/.cursor/mcp.json or .cursor/mcp.json
Tags
- crypto
- evm
- finance
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