FlowCheck Financial API Server

MCP server for the FlowCheck API — give Claude, Cursor, or any MCP client access to your Stripe payouts and bank transactions.

Setup

Claude Code

claude mcp add flowcheck \
  --transport stdio \
  --env FLOWCHECK_API_KEY=fc_live_... \
  -- npx -y @flowcheck/mcp-server

Claude Desktop

Add to your claude_desktop_config.json:

{
  "mcpServers": {
    "flowcheck": {
      "command": "npx",
      "args": ["-y", "@flowcheck/mcp-server"],
      "env": {
        "FLOWCHECK_API_KEY": "fc_live_..."
      }
    }
  }
}

Cursor

Add to your .cursor/mcp.json:

{
  "mcpServers": {
    "flowcheck": {
      "command": "npx",
      "args": ["-y", "@flowcheck/mcp-server"],
      "env": {
        "FLOWCHECK_API_KEY": "fc_live_..."
      }
    }
  }
}

Environment variables

Variable	Required	Description
FLOWCHECK_API_KEY	Yes	Your FlowCheck API key (fc_live_... or fc_test_...)
FLOWCHECK_BASE_URL	No	Override the API base URL (default: https://developer.usepopup.com/api/v0)

Available tools

Tool	Parameters	Description
flowcheck_register	email	Create account (no key needed)
flowcheck_get_registration_status	token	Check registration / retrieve API key
flowcheck_get_balance	—	Stripe + bank balances
flowcheck_get_cashflow	window? (7d, 30d, 90d)	Revenue, expenses, net by day
flowcheck_list_payouts	status?, from?, to?, limit?, cursor?	Stripe payouts with match status
flowcheck_get_payout	id	Single payout with bank match
flowcheck_list_transactions	from?, to?, limit?, cursor?	Bank transactions from Plaid
flowcheck_list_discrepancies	status?, type?, limit?, cursor?	Missing or mismatched amounts
flowcheck_get_reconciliation_summary	—	30-day financial health score
flowcheck_get_reconciliation	payout_id	Per-payout reconciliation detail
flowcheck_get_position	—	Full financial snapshot for AI agents
flowcheck_get_alerts	—	Active issues and discrepancies
flowcheck_connect_stripe	restricted_key	Connect Stripe account
flowcheck_create_plaid_link_token	—	Start Plaid bank connection
flowcheck_exchange_plaid_token	public_token	Complete Plaid connection
flowcheck_list_webhooks	—	List webhook endpoints
flowcheck_create_webhook	url, events	Register webhook endpoint
flowcheck_delete_webhook	id	Remove webhook endpoint

Example prompts

After connecting the MCP server, try asking:

• "What's my current balance across Stripe and my bank?"
• "Show me last week's payouts and whether they all landed in my bank"
• "Are there any missing deposits or discrepancies?"
• "What did we make this month?"
• "Give me a financial health summary"

Get an API key

Sign up at developer.usepopup.com to get your API key. 7-day free trial with 100 credits included.

License

MIT