Free Base Blockchain Tools

Measured conclusion: Deep-tested. L2 outcome: tools_ok.

13 free Base tools: address labels, tx explain, balances, receipts, gas, logs, bytecode.

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Copy this into your MCP client config:

{
  "mcpServers": {
    "Free Base Blockchain Tools": {
      "url": "https://agentsapi.top/free-blockchain/",
      "transport": "streamable-http"
    }
  }
}

Measured tools (14)

• get_block_number

  Get the current latest block number on Base

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_gas_price

  Get current gas price on Base

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_balance

  Get ETH balance of an address on Base

  Parameters:

  • address (required) — string — EVM address (0x + 40 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_transaction

  Get transaction details by hash on Base

  Parameters:

  • tx_hash (required) — string — Transaction hash (0x + 64 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_address_label

  Get a human-readable label for an EVM address (100K+ entity labels: exchanges, bridges, protocols, scams). FREE, no payment required.

  Parameters:

  • address (required) — string — EVM address (0x + 40 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_usdc_balance

  Get USDC balance of an address on Base (stablecoin balance, more useful than ETH for most agents)

  Parameters:

  • address (required) — string — EVM address (0x + 40 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• explain_transaction_simple

  Explain a transaction in plain English: who sent what to whom, with address labels. FREE simplified version of our premium explain tool.

  Parameters:

  • tx_hash (required) — string — Transaction hash (0x + 64 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• search_labels_by_category

  Search all labeled addresses by category (e.g. exchange, bridge, protocol, scam). Returns up to 50 matches.

  Parameters:

  • category (required) — string — Category to search: exchange, bridge, protocol, scam, nft, defi, other

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_transaction_receipt

  Get transaction receipt by hash: success/failure status, gas used, logs. Useful for checking if a tx succeeded.

  Parameters:

  • tx_hash (required) — string — Transaction hash (0x + 64 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_block_by_number

  Get block details by block number: timestamp, miner, transaction count, gas used.

  Parameters:

  • block_number (required) — string — Block number (decimal)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_contract_logs

  Get event logs from a contract in a block range. Useful for tracking transfers, approvals, etc.

  Parameters:

  • contract_address (required) — string — Contract address (0x + 40 hex)
  • from_block (required) — string — Start block number (decimal)
  • to_block (required) — string — End block number (decimal)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• estimate_gas

  Estimate gas needed for a transaction. Useful for dapps and wallets to show users how much gas they'll pay.

  Parameters:

  • from (required) — string — Sender address (0x + 40 hex)
  • to (required) — string — Recipient address (0x + 40 hex)
  • value — string — ETH value to send (in wei, hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_contract_code

  Get contract bytecode at an address. Useful for checking if an address is a contract or a wallet.

  Parameters:

  • address (required) — string — EVM address (0x + 40 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

• get_address_risk_score

  Get a risk score (0-100) for an address based on our 100K+ labeled address database. Scam addresses score 90-100; known exchanges/bridges score 0-20; unknown addresses score 50. Use this BEFORE sending funds to verify the destination.

  Parameters:

  • address (required) — string — EVM address (0x + 40 hex)

  Hints: read-only not declared · destructive not declared · idempotent not declared · open-world not declared

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Measured by MCPYP probing. Untested fields are omitted, never estimated. Listing is always free; MCPYP never proxies calls or stores user tokens.