usefulapi

Modern Treasury MCP server. MCP server for Modern Treasury — payment orders, transactions, counterparties and ledgers.

Claude

Open Settings → Connectors → Add custom connector
Paste this URL:
https://modern-treasury.usefulapi.io/mcp
Authenticate with Modern Treasury when prompted

Cursor · VS Code · Windsurf · Cline

Add to your MCP config, then reload & authorize:

{
  "mcpServers": {
    "modern-treasury": {
      "url": "https://modern-treasury.usefulapi.io/mcp"
    }
  }
}

live19 toolsFree 100 tool calls / monthPro $9/mo · $90/yr

Tools 19

Tool	Type	What it does
`modern_treasury_ping`	read	Ping (auth check) Verify connectivity and credentials. API: GET /ping.
`modern_treasury_list_counterparties`	read	List counterparties List counterparties (contacts). API: GET /counterparties.
`modern_treasury_get_counterparty`	read	Get counterparty Get a single counterparty by id. API: GET /counterparties/{id}.
`modern_treasury_list_internal_accounts`	read	List internal accounts List your organization's internal bank accounts. API: GET /internal_accounts.
`modern_treasury_list_external_accounts`	read	List external accounts List external (counterparty) bank accounts. API: GET /external_accounts.
`modern_treasury_list_payment_orders`	read	List payment orders List payment orders (READ ONLY — does not create or approve payments). API: GET /payment_orders.
`modern_treasury_get_payment_order`	read	Get payment order Get a single payment order by id (READ ONLY). API: GET /payment_orders/{id}.
`modern_treasury_list_expected_payments`	read	List expected payments List expected payments (READ ONLY). API: GET /expected_payments.
`modern_treasury_list_transactions`	read	List transactions List bank transactions. API: GET /transactions.
`modern_treasury_get_transaction`	read	Get transaction Get a single transaction by id. API: GET /transactions/{id}.
`modern_treasury_list_returns`	read	List returns List payment returns (e.g. ACH returns). API: GET /returns.
`modern_treasury_list_ledgers`	read	List ledgers List double-entry ledgers. API: GET /ledgers.
`modern_treasury_list_ledger_accounts`	read	List ledger accounts List ledger accounts. API: GET /ledger_accounts.
`modern_treasury_get_ledger_account`	read	Get ledger account Get a single ledger account by id, including balances. API: GET /ledger_accounts/{id}.
`modern_treasury_list_ledger_transactions`	read	List ledger transactions List ledger transactions (READ ONLY — does not post value). API: GET /ledger_transactions.
`modern_treasury_list_ledger_entries`	read	List ledger entries List ledger entries (individual debits/credits). API: GET /ledger_entries.
`modern_treasury_create_counterparty`	write	Create counterparty Creates a counterparty (contact) record in Modern Treasury. Creates a record only — no bank details, MOVES NO MONEY. API: POST /counterparties.
`modern_treasury_usage_status`	meta	Usage status (free-tier meter) Report the caller's current free-tier usage this month: calls used, monthly limit, remaining, and whether the cap is reached. Read-only; does not count against the meter.
`modern_treasury_upgrade`	meta	Upgrade to Pro (unlimited) Subscribe to the Pro plan for UNLIMITED Modern Treasury tool calls (the free tier caps monthly usage). Choose monthly ($9/month) or yearly ($90/year — 2 months free) billing. Returns a Stripe Checkout link to open in your browser; after payment your account upgrades automatically. Read-only; does not count against the meter.

Pricing

Plan	Price	Limit
Free	$0	100 tool calls / month
Pro	$9/mo · $90/yr	Unlimited

This is a Model Context Protocol endpoint — meant to be connected from an AI client, not opened in a browser. An invalid_token response at the URL is the auth gate working as designed; clients authenticate automatically.