Base chain wallet tools — balances, gas, tokens, allowances, ENS resolution.
Base chain wallet tools — balances, gas, tokens, allowances, ENS resolution. That is what the base mcp server brings to an AI assistant: the same capability, reachable through the Model Context Protocol rather than a separate app or dashboard.
An MCP server for AI agents to interact with Base chain wallets. Check balances, estimate gas, inspect tokens, verify allowances, and more.
The server publishes 7 tools. What each one is for:
check_balances — Get ETH + ERC-20 token balances for any walletget_gas_estimate — Estimate gas cost for a transaction on Baseget_token_info — Get ERC-20 token details (name, symbol, supply, decimals)check_allowance — Check token approval/allowance statusget_base_gas_price — Get current Base gas price and typical tx costsresolve_address — Resolve ENS name to address (or reverse lookup)get_tx_status — Check transaction status and details by hashConfiguration is passed through the environment: ETH_RPC_URL. Treat anything key-shaped as a real credential — scope it to the minimum the server needs, and rotate it if it ever lands in a shared config.
base-wallet-toolkit-mcp on npm is all you need. Most clients run it directly, so configuration is a few lines and a restart.
This sits in the developer tooling group, where several servers overlap in what they claim to do but differ sharply once you actually set them up. Base's toolset — check_balances, get_gas_estimate, get_token_info and 4 more — is a fair guide to whether it matches your workflow. It is maintained by lordbasilaiassistant-sudo; worth a glance at recent repository activity before you build anything load-bearing on it.
We check each listing at SyncDev against the project's documentation before it goes live — if something here drifts out of date, it is a bug worth reporting.
| Tool | What it does |
|---|---|
| check_balances | Get ETH + ERC-20 token balances for any wallet |
| get_gas_estimate | Estimate gas cost for a transaction on Base |
| get_token_info | Get ERC-20 token details (name, symbol, supply, decimals) |
| check_allowance | Check token approval/allowance status |
| get_base_gas_price | Get current Base gas price and typical tx costs |
| resolve_address | Resolve ENS name to address (or reverse lookup) |
| get_tx_status | Check transaction status and details by hash |
{
"mcpServers": {
"base-wallet-toolkit": {
"command": "npx",
"args": ["-y", "base-wallet-toolkit-mcp"],
"env": {
"ETH_RPC_URL": "your-value"
}
}
}
}Add to claude_desktop_config.json, then restart Claude Desktop.
| Variable | Description | Required |
|---|---|---|
| ETH_RPC_URL | Endpoint or connection string the server talks to. | Yes |
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