Free Blockchain MCP Server - 13 Free Base Chain Tools for AI Agents

13 completely free Base blockchain tools for AI agents. No payment, no API key, no rate limits.

Available Tools

get_block_number

Latest block number on Base

get_gas_price

Current gas price on Base

get_balance

ETH balance of an address

get_transaction

Transaction details by hash

get_address_label

104K+ entity labels (exchanges, bridges, protocols, scams)

get_usdc_balance

USDC stablecoin balance

explain_transaction_simple

Plain-English transaction explanation with labels

search_labels_by_category

Search labeled addresses by category

get_transaction_receipt

Receipt: success/fail, gas used, logs count

get_block_by_number

Block details: timestamp, miner, tx count, gas

get_contract_logs

Event logs from any contract in a block range

estimate_gas

Estimate gas for a transaction

get_contract_code

Check if address is EOA or contract

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