name: blockscout description: > Blockscout MCP tool reference for on-chain data queries. Covers all 16 tools: address info, transactions, token transfers, NFTs, contract ABI/source, read-only calls, ENS resolution, and block data across 8+ chains. TRIGGER when: user asks about on-chain data, contract state, token balances, transaction history, ENS lookup, NFT holdings, or uses blockscout MCP tools. DO NOT TRIGGER when: user asks about crypto market prices or trading volume (use coingecko skill), or writing Solidity code (use solidity-auditor skill). metadata: author: DROOdotFOO version: "1.0.0" tags: blockscout, blockchain, onchain, mcp, ethereum, web3
Blockscout MCP
On-chain data queries via Blockscout MCP server (already configured). 16 tools across address intelligence, transactions, contracts, and blocks.
Chain support
EVM-only. Blockscout covers 90+ EVM chains. Not available for native Solana or Tron -- use CoinGecko contract endpoints for token data on those chains.
Solana via Neon EVM: Chain 245022934 covers the Neon EVM layer on Solana (EVM-compatible contracts deployed on Solana).
Common chain IDs
| Chain | ID | Chain | ID |
|---|---|---|---|
| Ethereum | 1 | Arbitrum One | 42161 |
| Polygon | 137 | OP Mainnet | 10 |
| Base | 8453 | zkSync Era | 324 |
| Gnosis | 100 | Scroll | 534352 |
| Celo | 42220 | Mode | 34443 |
| Neon EVM (Solana) | 245022934 | Filecoin | 314 |
Default: Ethereum (1). Use get_chains_list to discover all 90+ supported chains.
Reference
| File | Topic |
|---|---|
| tools-reference.md | All 16 tools grouped by category |
| usage-patterns.md | Common workflows, pagination, error handling |
What You Get
- Reference documentation for all 16 Blockscout MCP tools covering address intelligence, transactions, contracts, and block data.
- Chain ID lookup tables and common usage patterns for querying on-chain state across 90+ EVM chains.
- Pagination handling, error recovery, and time-based query guidance for efficient data retrieval.
See also
coingecko-- market prices, volumes, DEX pools, trending tokenssentinel-- automated contract monitoring with alert rulesethskills-- framework selection, RPC providers, EIP/ERC standardssolidity-auditor-- smart contract security patterns and audit methodology