FoxyInvoice MCP

An official MCP server provided by FoxyInvoice (SEOlith LLC) that enables AI agents to interact with the FoxyInvoice platform. It allows agents to list clients, create draft invoices with server-computed tax and totals, and send invoices via email. The server handles authentication via personal access tokens and ensures idempotent operations for reliable agent interactions.

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

OAuth sign-inEndpoint checked 2026-10-26Operated by SEOlith LLC

MCP endpoint (Streamable HTTP)

https://foxyinvoice.com/api/v1/mcp

Vendor documentation

What you can do with it

Create draft invoices with computed tax and totals
List and search clients by name or email
Send invoices to clients via email
Inspect invoice details and status

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http foxyinvoice-mcp https://foxyinvoice.com/api/v1/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add foxyinvoice-mcp --url https://foxyinvoice.com/api/v1/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable foxyinvoice-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "foxyinvoice-mcp": {
      "url": "https://foxyinvoice.com/api/v1/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "foxyinvoice-mcp": {
      "type": "streamableHttp",
      "url": "https://foxyinvoice.com/api/v1/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start foxyinvoice-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "foxyinvoice-mcp": {
      "type": "http",
      "url": "https://foxyinvoice.com/api/v1/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http foxyinvoice-mcp https://foxyinvoice.com/api/v1/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "foxyinvoice-mcp": {
      "url": "https://foxyinvoice.com/api/v1/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "foxyinvoice-mcp": {
      "serverUrl": "https://foxyinvoice.com/api/v1/mcp"
    }
  }
}

Ground your agent in cited data

FoxyInvoice MCP gives your agent tools. Koskamo gives it reviewed, cited facts to check its answers against. Add it as a second MCP server; public reads need no API key.

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