base onchain tools MCP Tools
base onchain tools exposes 12 tools. Each one has its own page with the configuration for every client that can run this server.
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base_demobase demo
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base_address_checkbase address check
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base_tx_checkbase tx check
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base_tokenbase token
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base_gasbase gas
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base_pricebase price
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base_contract_typebase contract type
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base_allowancebase allowance
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base_token_pricebase token price
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base_simulate_transferbase simulate transfer
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base_contract_auditbase contract audit
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base_portfoliobase portfolio
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.