Nodeflare-mcp provides blockchain JSON-RPC access across 23 EVM chains for AI agents, with no API key required for standard reads.

Available Tools

• list_chains — List all 23 supported chains with chain IDs and endpoint URLs

• get_block_number — Get the latest block number on any supported chain

• get_balance — Get the native token balance (in wei) of any address

• get_transaction — Get transaction details (from, to, value, input)

• get_transaction_receipt — Get transaction receipt (status, logs, gas used)

• get_block — Get block by number/tag with optional full transactions

• eth_call — Execute read-only smart contract calls using ABI-encoded calldata

• get_logs — Fetch contract event logs — requires API key or x402 wallet (~$0.001/call)

• get_gas_price — Get current gas price plus EIP-1559 priority fee

• get_token_balance — Get ERC-20 balance in raw and human-readable formats

• get_token_metadata — Get ERC-20 name, symbol, decimals, and total supply

• rpc_call — Make any arbitrary JSON-RPC call on any supported chain (heavy methods like trace_*, debug_* require API key or x402)

Access Tiers

• Free (no key): Standard reads — block numbers, balances, transactions, eth_call

• API Key (NODEFLARE_API_KEY): Heavy methods + 3,000,000 compute units/month free

• x402 Wallet (X402_PRIVATE_KEY): Pay-per-call (~$0.001 in USDC on Base, Polygon, or Arbitrum) for heavy methods with no account needed

Supported Chains (23 total): Ethereum, Base, BNB Chain, Arbitrum, Optimism, Avalanche, HyperEVM, Polygon, Unichain, Sonic, Linea, Mantle, Zircuit, Robinhood Chain, XLayer, Soneium, Nova, BOB, Ink, Cronos, Mode, Sei, and Plasma

Provides blockchain JSON-RPC access to BNB Chain via NodeFlare, enabling AI agents to query block data, balances, transactions, and perform contract calls.

Provides blockchain JSON-RPC access to Ethereum via NodeFlare, enabling AI agents to query block data, balances, transactions, and perform contract calls.

Provides blockchain JSON-RPC access to Optimism via NodeFlare, enabling AI agents to query block data, balances, transactions, and perform contract calls.

Provides blockchain JSON-RPC access to Polygon via NodeFlare, enabling AI agents to query block data, balances, transactions, and perform contract calls.

Provides blockchain JSON-RPC access to Robinhood Chain via NodeFlare, enabling AI agents to query block data, balances, transactions, and perform contract calls.