MCP server

Moltline Merchant Maths

com.moltlinestudio/merchant

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Processor fees, charge-to-net, invoice totals and proration. 3 of 6 tools free.

Website Source

At a glance

Type

MCP server

Publisher

moltlinestudio.com (verified by the MCP Registry)

Status

Working at last check

Tools

6

Token cost

About 2,447 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http merchant https://mcp.moltlinestudio.com/merchant

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.merchant]
url = "https://mcp.moltlinestudio.com/merchant"

Gemini CLI

{"mcpServers":{"merchant":{"httpUrl":"https://mcp.moltlinestudio.com/merchant"}}}

Cursor

{"mcpServers":{"merchant":{"url":"https://mcp.moltlinestudio.com/merchant"}}}

VS Code

{"servers":{"merchant":{"type":"http","url":"https://mcp.moltlinestudio.com/merchant"}}}

Antigravity

agy mcp add merchant https://mcp.moltlinestudio.com/merchant

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"merchant","server_url":"https://mcp.moltlinestudio.com/merchant","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"merchant","server_url":"https://mcp.moltlinestudio.com/merchant"}

Tools

• charge_to_net Moves money · ~369 tokens
  Compute the gross price to charge so you net a target after fees. FREE. 'Charge X to receive Y' after percentage + fixed processor fees. Typical input {"net_target": 100, "pct_fee": 2.9, "fixed_fee": 0.30} returns {"charge": 103.4, "fee": 3.4, "net": 100.0}. The inverse of processor_fees - solves
• discount_stack ~377 tokens
  Stack discounts correctly: sequential vs additive comparison. PREMIUM (license). The two methods differ: this shows both, the final price, and the true total discount. Typical input {"price": 200, "discounts_pct": [20, 10]} returns {"original": 200, "sequential_price": 144.0, "sequential_total_disc
• installment_plan ~366 tokens
  Split a total into an installment schedule with optional deposit. PREMIUM (license). Rounding remainders land on the final payment so the schedule always sums exactly. Typical input {"total": 1000, "installments": 3, "deposit_pct": 10} returns {"deposit": 100.0, "payments": [300.0, 300.0, 300.0], "
• invoice_total ~429 tokens
  Total an invoice: per-line totals, subtotal, discount, tax, grand total. FREE. Typical input {"line_items": [{"desc": "Design", "qty": 2, "unit_price": 50}], "tax_pct": 8.5, "discount_pct": 10} returns {"lines": [{"desc": "Design", "qty": 2, "unit_price": 50, "line_total": 100.0}], "subtotal": 100.
• processor_fees ~495 tokens
  Break down payment-processor fees: fee, net, and effective rate. FREE. Uses editable presets for stripe/paypal/square/shopify (verify current rates) or your own custom_pct + custom_fixed. Typical input {"amount": 1000, "processor": "stripe", "transactions": 10} returns {"gross": 1000, "fee": 32.0,
• proration ~411 tokens
  Compute a prorated charge or refund for a partial billing period. PREMIUM (license). Typical input {"amount_per_period": 90, "days_used": 10, "days_in_period": 30} returns {"days_used": 10, "days_in_period": 30, "prorated_charge": 30.0, "prorated_refund": 60.0, "answer": 30.0}. Use when a plan sta

Browse

• Stripe tools
• PayPal tools
• Payments
• Invoicing and accounting
• Online shops

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