Yolfi Payments MCP

AI agent payment integration for crypto checkout. Yolfi Agent Kit is a JSON-first SDK, CLI, Agent Skill, and MCP server that lets AI coding agents add stablecoin checkout, payment links, payment status checks, webhook verification, and webhook-based access logic to applications through Yolfi.

People connecting finance tools to Claude, Cursor, VS Code, or another MCP client. The project is written in JavaScript.

VERIFIED ACTIVE

LAST COMMIT 2026-07-20 · ★ 197 · #65 OF 283 MAINTAINED FINANCE · VERIFIED 2026-08-25

MIT · JavaScript servers · how we verify → /methodology

01 · Install Yolfi Payments MCP

before you install - you'll need

Set YOLFI_API_KEY, YOLFI_REGISTRATION_IDEMPOTENCY_KEY before connecting.

Claude Code

claude mcp add yolfinance-yolfi-agent --transport http https://app.yolfi.com/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "yolfinance-yolfi-agent": {
      "url": "https://app.yolfi.com/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://app.yolfi.com/mcp

transport: streamable-http

endpoint alive - authentication required · probed 2026-08-25

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions · remote - your agent's requests go to app.yolfi.com

endpoint auth requires authentication - rejected our unauthenticated MCP initialize

license MIT - declared in the repository

npm package @yolfi/agent - the @yolfi scope differs from the repo owner (yolfinance); confirm it's the project's official package

registry namespace io.github.yolfinance is GitHub-verified and matches the repo owner

03 · What Yolfi Payments MCP can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v0.2.0 · 2026-07-20

Highlights · Add browser-based agent setup and one-time check-in for existing Yolfi accounts. · Add email-confirmed registration for new users; credentials are issued only after confirmation and are redacted from…

v0.1.4 · 2026-06-18

Stable release for Yolfi Payments MCP. · Highlights: · Adds public MCP agent registration with a default integration intent. · Keeps YOLFI_API_KEY optional at server startup and required only for private tools.…

04 · Who maintains Yolfi Payments MCP

Yolfi Payments MCP is maintained by yolfinance. It's the only MCP server we track from this author; the repo dates to Jun 2026.

05 · Facts

repository: github.com/yolfinance/yolfi-agent
website: https://yolfi.com/ai-agent-kit
category: finance - ranked #65 of 283 actively-maintained finance servers as of 2026-08-25.
release cadence: 2 releases in the last 90 days (latest 2026-07-20)
registry: io.github.yolfinance/yolfi-agent (active, first published 2026-07-21)
packages: npm:@yolfi/agent

06 · Yolfi Payments MCP FAQ

What is Yolfi Payments MCP?

Is Yolfi Payments MCP still maintained?

Yes - as of 2026-08-25, its last commit was 2026-07-20 and it shipped 2 releases in the last 90 days. We re-verify nightly.

How do I install Yolfi Payments MCP?

Run `npx -y @yolfi/agent`. The README documents 2 environment variables (YOLFI_API_KEY, YOLFI_REGISTRATION_IDEMPOTENCY_KEY) to set first. Set YOLFI_API_KEY, YOLFI_REGISTRATION_IDEMPOTENCY_KEY before connecting. You can also paste the ready-made client config above.

Does Yolfi Payments MCP require authentication?

Yes - when we probed the endpoint on 2026-08-25, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.

07 · Alternatives to Yolfi Payments MCP

Alternatives to Yolfi Payments MCP

Maintained finance servers if Yolfi Payments MCP isn't the fit.

Pairs well with

Servers that cover what Yolfi Payments MCP doesn't - only shown when the pairing reason fits the companion.

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