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Aler1x

Monobank MCP Server

by Aler1x
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JavaScript
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Monobank MCP Server (Node.js/TypeScript)

Node.js/TypeScript implementation of the Monobank MCP Server originally written in Python.

Monobank MCP Server exposes your Monobank personal account (and public exchange rates) as Model Context Protocol (MCP) tools.

About This Version

This is a Node.js/TypeScript port of the original Python implementation by @nklymok.

  • Original Python version: https://github.com/nklymok/Monobank-MCP

  • This TypeScript version: Maintains the same core personal-account tools with Node.js/TypeScript ecosystem benefits, plus a public rates tool that needs no token.

Related MCP server: Monobank MCP Server

Features

  • TypeScript/Node.js MCP server using the official @modelcontextprotocol/sdk

  • MCP tools:

    • get_client_info – client identity, accounts, and jars (requires MONOBANK_API_TOKEN).

    • get_statement – account statement for a time window (requires token). Validates the period before calling the API; responses use amounts in main units and ISO 8601 UTC times for transactions.

    • get_currency_rates – public currency exchange rates from Monobank (GET /bank/currency). No API token required.

Usage (Published Package)

The easiest way to use this MCP server is via the published npm package:

  1. Register the server in your MCP configuration

    {
  "mcpServers": {
    "monobank-mcp": {
      "command": "npx",
      "args": ["-y", "@alerix/monobank-mcp"],
      "env": {
        "MONOBANK_API_TOKEN": "your_token_here"
      }
    }
  }
}

    Set MONOBANK_API_TOKEN only if you use get_client_info or get_statement. get_currency_rates works without it.

  2. Run your MCP client – the tools will be available according to your configuration.

Development

If you want to contribute or modify the server:

  1. Clone and install dependencies

    git clone https://github.com/aler1x/monobank-mcp.git
cd monobank-mcp
npm install

  2. Run the server after install (prepare runs npm run build). For personal tools, set MONOBANK_API_TOKEN.

    Windows (PowerShell):

    $env:MONOBANK_API_TOKEN="your_token_here"
node dist/index.js

    Windows (Command Prompt):

    set MONOBANK_API_TOKEN=your_token_here
node dist\index.js

    macOS/Linux:

    export MONOBANK_API_TOKEN=your_token_here
node dist/index.js

    Or one line:

    MONOBANK_API_TOKEN=your_token_here node dist/index.js

  3. Development with hot reload (uses tsx --watch):

    MONOBANK_API_TOKEN=your_token_here npm run dev

  4. Build (TypeScript → dist/):

    npm run build

Tool Reference

Tool

Description

Token

Rate limits (Monobank)

get_client_info

Fetches client profile, list of accounts and jars.

Yes

1 request / 60 s

get_statement

Retrieves transactions for an account and period. Parameters: account_id (from get_client_info or '0' for default), from_timestamp (Unix seconds), optional to_timestamp (Unix seconds; omit for “now”). Period from from_timestamp to the end (to_timestamp or now) must be ≤ 31 days + 1 hour (aligned with the API). Amounts are returned in major units; times as ISO 8601 UTC. Omits id, invoiceId, counterEdrpou, counterIban.

Yes

1 request / 60 s

get_currency_rates

Public exchange rates (ISO 4217 numeric currency codes). Same data as Monobank GET /bank/currency.

No

Per Monobank public API

API Token

Personal tools need a Monobank personal API token. See the official docs: https://api.monobank.ua/index.html

Environment Variables

Name

Required

Description

MONOBANK_API_TOKEN

For get_client_info and get_statement only

Your personal Monobank API token from https://api.monobank.ua/index.html. Not used by get_currency_rates.

License

MIT

Available Tools

2 tools
get_client_infoA

Get client information from Monobank API. This tool retrieves information about the client, their accounts, and jars. It requires a Monobank API token with the necessary permissions.

ParametersJSON Schema
NameRequiredDescriptionDefault

No parameters

TDQS

A3.5/5.0
Behavior3/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. It mentions the authentication requirement (API token with permissions) which is valuable context, but doesn't describe what information is returned, whether there are rate limits, error conditions, or other behavioral traits. It adequately covers the basic operation but lacks detail about the tool's behavior.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is appropriately concise with two sentences that each add value. The first sentence states the purpose, and the second adds important context about authentication requirements. There's no wasted text, though it could be slightly more structured.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness3/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

Given that this is a read operation with no parameters and no output schema, the description provides adequate but minimal information. It covers the purpose and authentication requirements, but doesn't describe what specific information is returned or the format of the response. For a tool that retrieves client information, more detail about the return data would be helpful.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters4/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The tool has 0 parameters with 100% schema description coverage, so the schema already fully documents the parameter situation. The description doesn't need to add parameter information, and it appropriately doesn't discuss parameters. The baseline for 0 parameters with full schema coverage is 4.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the tool's purpose: 'Get client information from Monobank API' with specific resources mentioned (client, accounts, jars). It distinguishes from the sibling tool 'get_statement' by focusing on client metadata rather than transaction data. However, it doesn't explicitly contrast with the sibling, so it's not a perfect 5.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description provides some usage context by mentioning the required API token and permissions, but doesn't explicitly state when to use this tool versus alternatives. It implies usage for retrieving client metadata but doesn't provide guidance about when not to use it or what the sibling tool 'get_statement' is for.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

get_statementA

Get account statement for a given period. Rate limit: 1 request per 60 seconds. Max period: 31 days + 1 hour. Rules: 1. Fetch from default account (account_id = '0') unless another account is specified. 2. Amounts are converted from the smallest currency unit (e.g., kopiyka, cent) to the main unit and returned as decimals. 3. Transaction timestamps ('time') are converted from Unix timestamps to ISO 8601 datetime strings (UTC). 4. Fields 'id', 'invoiceId', 'counterEdrpou', and 'counterIban' are omitted from the returned results.

ParametersJSON Schema
NameRequiredDescriptionDefault
account_idYesAccount identifier from the list of accounts, or '0' for default
from_timestampYesStart of the statement period (Unix timestamp)
to_timestampYesEnd of the statement period (Unix timestamp)

TDQS

A4.2/5.0
Behavior5/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations provided, the description carries the full burden of behavioral disclosure. It effectively describes rate limits ('1 request per 60 seconds'), constraints ('Max period: 31 days + 1 hour'), data transformation rules (currency conversion, timestamp formatting), and output filtering (omitted fields), providing comprehensive behavioral context.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness5/5

Is the description appropriately sized, front-loaded, and free of redundancy?

The description is efficiently structured with a clear purpose statement followed by rate limits, constraints, and specific rules in a numbered list format. Every sentence adds value without redundancy, making it easy to parse and understand.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

For a tool with no annotations and no output schema, the description does an excellent job covering behavioral aspects, constraints, and data transformations. However, it doesn't explicitly describe the return format or structure of the statement data, which would be helpful given the lack of output schema.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

The schema description coverage is 100%, so the schema already documents all three parameters thoroughly. The description adds some context about default account behavior ('account_id = '0' unless another is specified') and timestamp usage, but doesn't provide significant additional parameter meaning beyond what the schema offers.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose5/5

Does the description clearly state what the tool does and how it differs from similar tools?

The description clearly states the specific action ('Get account statement') and resource ('for a given period'), distinguishing it from the sibling tool 'get_client_info' which presumably retrieves different information. It provides concrete details about what the tool does beyond just the name.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

The description implies usage by specifying a period requirement and default account behavior, but it doesn't explicitly state when to use this tool versus alternatives or provide any exclusion criteria. It offers some context but lacks explicit guidance on tool selection.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

Tool Schema Changelog

Recent tool additions, removals, and schema changes observed during successful MCP inspections.

  1. 2 tool updates
    • First observedget_client_info
    • First observedget_statement
Deploy Server
One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

TDQS

A3.6/5.0

Scored across 2 tools

Disambiguation5/5

The two tools have clearly distinct purposes: get_client_info retrieves client metadata, accounts, and jars, while get_statement fetches transaction data for a specific period. There is no overlap or ambiguity between these functions.

Naming Consistency5/5

Both tools follow a consistent verb_noun naming pattern (get_client_info, get_statement) with identical verb style and snake_case formatting, making them predictable and easy to understand.

Tool Count2/5

With only two tools, the server feels severely under-scoped for a banking API. Key operations like creating transactions, managing accounts, or updating client details are missing, limiting its utility for comprehensive financial tasks.

Completeness2/5

The toolset is highly incomplete for a banking domain. It only supports read operations (get_client_info, get_statement) with no ability to perform writes (e.g., transfers, payments), updates, or deletions, leaving significant gaps in typical banking workflows.

Maintenance

ActivityInactive
ResponsivenessNo issues

Resources

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