Payments and finance - official Coinbase server
Agentic Wallet MCP server
Local MCP server installed via npx @coinbase/payments-mcp that gives an AI agent a Coinbase wallet to check balances, discover x402 services in the Bazaar and pay for API calls in USDC within user-set spending limits. It runs locally from @coinbase/payments-mcp (npm); the notes below cover how it authenticates.
Last verified 8 tools5 sources
Install
Generic
npx @coinbase/payments-mcpTools
Get wallet address- Returns your wallet address.
Get wallet balance- Shows your token balances (USDC, etc.).
Show wallet app- Opens the wallet interface for sign-in, funding and browsing services.
Check sign-in status- Checks if you are signed in and provides next steps if not.
List Bazaar resources- Discovers available x402 services your agent can pay for.
Get resource details- Gets full documentation for a specific service.
Make an x402 request- Makes an API call and handles payment automatically.
Check payment requirements- Checks what an endpoint costs without paying.
As documented on October 17, 2026. A running server reports its current list through tools/list.
Notes and caveats
- The interactive installer auto-configures Claude Desktop, Claude Code, Codex CLI or Gemini CLI.
- Sign-in is by email verification in a browser wallet window.
- Users set per-call and per-session spending limits in the wallet UI; agents cannot change limits, transfer funds or start onramp flows.
- Payments use USDC on Base, Polygon or Solana and are irreversible.
- Docs list tools by display name only.
More MCP servers for payments and finance
- Coinbase
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Transport: stdioAuth: API key - Coinbase
Coinbase MCP server
Remote MCP server that connects AI apps to a Coinbase account for spot crypto, US derivatives and equities trading, portfolio management, conversions and x402 payments for premium data.
Transport: Streamable HTTPAuth: OAuth - Coinbase
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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.
Transport: Streamable HTTPAuth: OAuth - Coinbase
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CDP-hosted MCP server for discovering and calling paid x402 endpoints in the Bazaar catalog; paid calls return an x402 payment-required result that a wrapped MCP client settles.
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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.
- Pydantic AI V2 in Late 2026: Capabilities, Graphs, Evals and MCPPydantic AI V2 explained through v2.57.0: capabilities, typed output, Conversation storage, caching, graphs, evals, MCP Apps and Logfire, with checked code.
- Reverse Engineer Anything (REA): What the MCP Server Does and Where the Line IsREA (Reverse Engineer Anything) is an MIT-licensed MCP server that lets Claude Code, Codex or Cursor inspect binaries, Electron apps and APKs. How to try it.
- Claude Opus 5.5 Built a Browser 3D World: The Higgsfield MCP WorkflowClaude Opus 5.5 and Higgsfield MCP built an interactive 3D Library of Alexandria in the browser. The verified connector setup and where the workflow holds up.
- Pi 1.0 Release Guide: MCP, Codemode and Pi DurablePi 1.0 adds built-in MCP through Codemode, a fullscreen TUI by default and Pi Durable. What changed, how to install it, and what breaks on upgrade.
FAQ
What does the Agentic Wallet MCP server do?
Local MCP server installed via npx @coinbase/payments-mcp that gives an AI agent a Coinbase wallet to check balances, discover x402 services in the Bazaar and pay for API calls in USDC within user-set spending limits. The vendor documents 8 tools, including Get wallet address, Get wallet balance, Show wallet app and Check sign-in status.
How do I add the Agentic Wallet MCP server to an MCP client?
Use npx @coinbase/payments-mcp, copied from Coinbase's docs.
Does the Agentic Wallet MCP server need authentication?
It uses a scheme other than OAuth or an API key, such as the session of the app or instance it runs in; the notes on this page describe it. Transport: stdio. Status: Unlabelled, last checked October 17, 2026.
Sources
Last verified against 5 Coinbase pages, then re-checked independently.
- docs.cdp.coinbase.comhttps://docs.cdp.coinbase.com/agentic-wallet/mcp/quickstart.md
- docs.cdp.coinbase.comhttps://docs.cdp.coinbase.com/agentic-wallet/mcp/mcp-tools/overview.md
- docs.cdp.coinbase.comhttps://docs.cdp.coinbase.com/agentic-wallet/mcp/mcp-tools/make-x402-request.md
- registry.npmjs.orghttps://registry.npmjs.org/@coinbase/payments-mcp
- raw.githubusercontent.comhttps://raw.githubusercontent.com/coinbase/payments-mcp/main/LICENSE
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