robokassa-mcp

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Comprehensive Python client and Model Context Protocol server for Robokassa — the Russian payment gateway.

Covers the full API surface: checkout, XML status interfaces, refunds, holding (pre-auth), recurring subscriptions, 54-ФЗ fiscal receipts, Partner API, and auxiliary endpoints.

Install (once published)

# As an MCP server for Claude Desktop / Claude Code / Cursor / Windsurf
uvx robokassa-mcp

# As a Python library
pip install robokassa-mcp

Use as a Python library

import asyncio
from decimal import Decimal
from robokassa import create_invoice, RobokassaClient

# Build a signed checkout URL (no HTTP — just URL construction).
invoice = create_invoice(
    merchant_login="my-shop",
    out_sum=Decimal("599.00"),
    inv_id=12345,
    password1="...",
    description="Premium subscription",
    email="user@example.com",
)
print(invoice.url)  # https://auth.robokassa.ru/Merchant/Index.aspx?...

# Check the state of a payment (hits the OpStateExt XML endpoint).
async def check() -> None:
    async with RobokassaClient("my-shop", password2="...") as client:
        state = await client.check_payment(inv_id=12345)
        print(state.is_paid, state.info.op_key)

asyncio.run(check())

Full refund flow

from robokassa import RobokassaClient

async def refund_flow(inv_id: int) -> None:
    async with RobokassaClient("my-shop", password2="p2", password3="p3") as client:
        # 1. Fetch the payment state to get its OpKey.
        state = await client.check_payment(inv_id)
        assert state.info.op_key, "payment not complete yet"

        # 2. Initiate a refund.
        created = await client.refund_create(state.info.op_key)
        print("refund requestId:", created.request_id)

        # 3. Poll status until finished / canceled.
        while True:
            status = await client.refund_status(created.request_id)
            if status.is_terminal:
                print("final:", status.state)
                break

Webhook signature verification (FastAPI example)

from fastapi import FastAPI, Request, HTTPException, PlainTextResponse
from robokassa import verify_result_signature, build_ok_response

app = FastAPI()

@app.post("/robokassa/result")
async def result_url(req: Request) -> PlainTextResponse:
    form = dict(await req.form())
    if not verify_result_signature(form, password2="..."):
        raise HTTPException(status_code=403, detail="Bad signature")
    # ... persist the notification, mark invoice paid ...
    return P

... [View full README on GitHub](https://github.com/artgas1/robokassa-mcp#readme)