Payments and finance - official Coinbase server
Coinbase Wallet MCP server
Remote MCP server that connects an AI assistant to a Coinbase Wallet (formerly Base App) to check balances, send funds, swap tokens, sign messages, batch contract calls and pay x402 APIs, with user approval for every write. Coinbase hosts it at https://wallet-mcp.coinbase.com with OAuth auth.
Last verified 8 tools2 sources
Install
Claude Code
About Claude Codeclaude mcp add --transport http base-mcp https://wallet-mcp.coinbase.comCodex
About Codexcodex mcp add base-mcp --url https://wallet-mcp.coinbase.com/Cursor
About Cursor{
"mcpServers": {
"base-mcp": {
"url": "https://wallet-mcp.coinbase.com"
}
}
}Tools
get_wallets- List wallets, supported chains and addresses.
send- Send native or ERC-20 tokens (returns an approval link).
swap- Swap supported tokens on supported mainnet chains (returns an approval link).
sign- Sign EIP-712 typed data and plain messages (returns an approval link).
send_calls- Batch multiple contract calls into one user approval.
get_request_status- Poll the status of an approval request.
web_request- GET/POST requests to allowlisted partner APIs only.
chain_rpc_request- Onchain RPC reads.
As documented on October 17, 2026. A running server reports its current list through tools/list.
Notes and caveats
- First use opens a Coinbase Wallet authorization; every send, swap, sign or batch call then returns an approval URL the user must confirm.
- Supported chain names: base, base-sepolia, ethereum, optimism, polygon, arbitrum, bsc, avalanche. x402 payments use USDC on Base or Base Sepolia.
- A companion base-mcp skill (github.com/base/skills) adds onboarding, approval and protocol plugins.
- Tool names are taken from the docs' skill and plugin descriptions; no full tool table is published.
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Transport: Streamable HTTPAuth: OAuth
Related reading
- What's New in Mastra (Late 2026): Harness, AgentController GA, Eval Gates and MCP 2.xMastra in late 2026: goals, schedules, signals, AgentController GA, eval gates and MCP 2.x, with type-checked TypeScript examples and honest tradeoffs.
- MCP vs A2A vs Function Calling: Which Layer Does What in 2026MCP vs A2A vs function calling compared on the 2026-07-28 MCP spec and A2A 1.0: what each protocol does, where they overlap, and how to stack them.
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FAQ
What does the Coinbase Wallet MCP server do?
Remote MCP server that connects an AI assistant to a Coinbase Wallet (formerly Base App) to check balances, send funds, swap tokens, sign messages, batch contract calls and pay x402 APIs, with user approval for every write. The vendor documents 8 tools, including get_wallets, send, swap and sign.
How do I add the Coinbase Wallet MCP server to Claude Code?
Run claude mcp add --transport http base-mcp https://wallet-mcp.coinbase.com, copied from Coinbase's docs. This page also has snippets for Codex and Cursor.
Does the Coinbase Wallet MCP server need authentication?
Yes, OAuth. Transport: Streamable HTTP. Status: Unlabelled, last checked October 17, 2026.
Sources
Last verified against 2 Coinbase pages, then re-checked independently.
- docs.cdp.coinbase.comhttps://docs.cdp.coinbase.com/get-started/build-with-ai/base-mcp.md
- docs.cdp.coinbase.comhttps://docs.cdp.coinbase.com/coinbase-for-agents/wallet-mcp/references/install.md
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