Coinbase Wallet MCP
Coinbase Wallet MCP lets authorized agents inspect wallets and request onchain actions including transfers, swaps, signing, and payments.
What agents can do
Actions15
Chain rpc request
Make a read-only JSON-RPC call to inspect on-chain state on a supported chain (arbitrum, avalanche, base, base-sepolia, bsc, ethereum, optimism, polygon, robinhood-chain).
Complete x402 request
Complete a previously initiated x402 payment after the user has approved it in their Base Account.
Fund
Create a funding request to add money to (top up) the user's wallet.
Get portfolio
Returns total portfolio value and per-asset breakdown for a wallet address.
Get request status
Poll the status of an approval request by requestId (returned by send, sign, swap, or send_calls).
Get transaction history
Returns paginated transaction history in reverse chronological order for a single chain.
Get wallets
Returns the user's Base Account and all agent wallets with delegation status, spend policy, and session authorization.
Help
Returns guidance for helping the user with protocol-specific tasks that aren't directly supported by this MCP.
7 moreFewer
Initiate x402 request
Initiate an HTTPS request to an x402-enabled endpoint.
Search tokens
Search for tokens by symbol or name on a single chain.
Send
Send native tokens or any ERC-20.
Send calls
Submit a batch of raw contract calls for user approval.
Sign
Request a user-approved signature.
Swap
Swap between tokens on a mainnet chain (testnets not supported).
Web request
Make an HTTP GET or POST request to a whitelisted partner API.
How it connects
You paste an API key from Coinbase Wallet MCP on a page Composio hosts, so the key never passes through Definable.
Keep the connection to yourself or share it with your workspace. Any action that writes or sends can wait for your approval.
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