irkumo

Name: irkumo
Author: ozumin-dev

by ozumin-devversion 0.1.2i★ –iRuns on your computer

Registry namecom.irkumo/irkumo-mcp

Install

Overview

Description from the maker (original English)

IR page and earnings release list URLs for 3,821 Japanese listed companies by code or name

PopNx MCP’s three pillars

These three are never merged into one score: opinions, measurements and popularity are different things.

User voiceiNo reviews yetReviews open together with accounts in a later step
Our basic checksi1 of 1 passedChecked from public information; code not scanned yet
UsageiNot measured yet★ –

What you can do with it

We have not written a plain-language summary for this one yet. Below are the facts we read from the registry.

Connection: Runs on your computer
Transport: stdio
Category: Other
You need to fill in: IRKUMO_API_KEY

Install

Pick the AI app you use, then copy the settings.

Before you install

Basic checks: 1 of 1 passed
Runs on your computer with your user’s permissions (files, network, apps).
You fill in yourself: IRKUMO_API_KEY

Values marked secret are keys to your account. Never share them or paste them into a chat.

You need

npmNode.js installed (for the npx command)

Which app do you use?

ClaudeClaude CodeCursorVS CodeChatGPT

Pick your app above. We remember it, so next time the button says “Install in …”.

Open Claude Desktop → Settings → Developer → Edit Config, and paste this into claude_desktop_config.json

{
  "mcpServers": {
    "irkumo": {
      "command": "npx",
      "args": [
        "-y",
        "irkumo-mcp"
      ],
      "env": {
        "IRKUMO_API_KEY": "your-value"
      }
    }
  }
}

Run this in your terminal

claude mcp add irkumo --env IRKUMO_API_KEY=your-value -- npx -y irkumo-mcp

Fill in the empty values before running it.

Open in Cursor

Or copy the settings yourself

Paste into .cursor/mcp.json in your project, or ~/.cursor/mcp.json

{
  "mcpServers": {
    "irkumo": {
      "command": "npx",
      "args": [
        "-y",
        "irkumo-mcp"
      ],
      "env": {
        "IRKUMO_API_KEY": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

Open in VS Code

Or copy the settings yourself

Paste into .vscode/mcp.json in your project

{
  "servers": {
    "irkumo": {
      "type": "stdio",
      "command": "npx",
      "args": [
        "-y",
        "irkumo-mcp"
      ],
      "env": {
        "IRKUMO_API_KEY": "your-value"
      }
    }
  }
}

Your browser asks to open the app, then the app shows the settings and asks you to confirm. Key values are left empty for you to fill in.

This one runs on your computer, and ChatGPT can only connect to servers on the internet. Pick another app.

Your choice stays on this device in a cookie; no account needed.

Values you fill in

IRKUMO_API_KEY secret required env
irkumo API key (ir_live_...). Free sign-up: https://api.irkumo.com/account/login

These settings are generated from the maker’s registry entry. If the README says otherwise, follow the README.

What it can do

Runs on your computer; the tool list appears in your AI app after you install it.

Basic checksi

We check information anyone can see; we have not read the code. Checks that do not apply are left out of the count. · Checked Nov 7, 2026

✓ Pass
Maker matches the repo
The registry name was verified against the domain irkumo.com (the registry checks domain ownership)
… Not checked yet
Still maintained
We have not read this repo from GitHub yet
… Not checked yet
Has a licence
We have not read this repo from GitHub yet
– Not applicable
Endpoint responds
This one runs on your computer; there is no internet endpoint
– Not applicable
Sign-in with OAuth
Runs on your computer and uses local settings instead
… Not checked yet
No hidden instructions in tool descriptions
Runs on your computer; we can only read tool lists from internet endpoints

Compared with others in Otheri

More stars than 0% of the other 32545 servers in this category
Published to the registry more recently than 52% of the other 32545 servers in this category
Basic checks equal to or better than 100% of the other 32545 servers in this category

Compared with every active server in this category in the registry. Stars count only when the publisher owns the repo.

Common questions

Is irkumo safe?

It passed 1 of 1 applicable basic checks. We have not read the code. Before adding a key or token, see what access the server asks for and use a key with only the permissions you need.

What keys or codes does it need?

You need to fill in: IRKUMO_API_KEY

Does it run on my computer or in the cloud?

It runs on your computer. Your AI app starts it when needed, and data does not pass through the maker’s servers (unless it calls an online service itself).

Is it still maintained?

The GitHub repo last changed –, and the latest version (0.1.2) reached the registry 37 days ago.

Which apps can use it?

Apps that support MCP, such as Claude Desktop, Claude Code, Cursor and VS Code. You also need Node.js on your computer.

What can I use instead?

In the same category: Spec Driven Development, Remote Desktop Commander, Python MCP

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README from the maker

Open the README

Copied from the maker’s repo as written. PopNx MCP has not reviewed or endorsed it. HTML, images and scripts are removed. Links lead off this site.

irkumo-mcp

MCP server for irkumo, an API that returns the investor relations (IR) page URL and the earnings release (kessan tanshin) list URL of 3,821 companies listed in Japan, looked up by securities code, company name, former name or brand name. Free sign-up at https://api.irkumo.com/account/login gives 50 trial credits (no card required). Set the key as IRKUMO_API_KEY and run npx -y irkumo-mcp.

上場企業の IR ページや決算短信 URL を検索･取得できる MCP (Model Context Protocol) サーバです｡ stdio 経由で Claude Desktop や Claude Code､Cursor などの AI アシスタントから利用できます｡

概要

irkumo-mcp は､上場企業 3,821 社の照合済み IR ページ URL や企業属性を提供する irkumo API の MCP ラッパーです｡各道具の呼び出し時に必要な列だけを指定し､クレジットを消費してデータを取得します｡

できること

社名や略称･ブランド名から会社コードを 1 社特定 (resolve_company)
条件に合う会社候補の一覧検索 (search_companies)
証券コード指定での IR ページ URL や属性の取得 (get_company)
月次更新などの差分データの取得 (list_changes)
クレジット残高と有効期限の確認 (get_balance)
利用可能な列定義･単価･出典の確認 (list_fields)

必要要件

Node.js 20 以上
irkumo API キー (https://api.irkumo.com/account/login からメールアドレスだけで無料登録でき､お試し 50 クレジット (30 日間有効) が付きます｡リンクを開いたあとアカウントのページでキーを作成してください｡カード登録は不要です)

インストールと起動

npx から直接実行 (パッケージ公開後)

npx irkumo-mcp

ローカルビルドからの実行

cd mcp

npm install npm run build node dist/index.js

環境変数

変数名	必須	既定値	説明
IRKUMO_API_KEY	はい	なし	irkumo API キー (ir_live_... で始まる文字列)｡未設定でも起動はし､道具の一覧と list_fields は使えますが､ほかの道具は登録の案内を返します
IRKUMO_API_BASE	いいえ	https://api.irkumo.com	irkumo API のベース URL｡ローカル開発時は http://127.0.0.1:8787 などを指定します
IRKUMO_SITE_URL	いいえ	https://irkumo.com	サイトのベース URL｡402 残高不足時の購入案内リンクに使用されます

クライアント設定例

1. Claude Desktop

設定ファイル (claude_desktop_config.json) に以下を追加します｡

macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
Windows: %APPDATA%\Claude\claude_desktop_config.json

"mcpServers": { "irkumo": { "command": "npx", "args": ["-y", "irkumo-mcp"], "env": { "IRKUMO_API_KEY": "ir_live_your_api_key_here" } } } }

ローカルビルドを使用する場合:

"mcpServers": { "irkumo": { "command": "node", "args": ["/path/to/ir-url-api/mcp/dist/index.js"], "env": { "IRKUMO_API_KEY": "ir_live_your_api_key_here", "IRKUMO_API_BASE": "http://127.0.0.1:8787" } } } }

2. Claude Code

Claude Code CLI では以下のコマンドで追加します｡

claude mcp add irkumo npx -y irkumo-mcp --env IRKUMO_API_KEY=ir_live_your_api_key_here

3. Cursor

.cursor/mcp.json に以下を追加します｡

"mcpServers": { "irkumo": { "command": "npx", "args": ["-y", "irkumo-mcp"], "env": { "IRKUMO_API_KEY": "ir_live_your_api_key_here" } } } }

道具一覧と消費クレジット

返答の末尾には必ず credits_charged: N / credits_remaining: M の 1 行が付加されます｡既に持っている列を要求すると余計なクレジットを消費するため､必要な列のみを要求してください｡

道具名	引数	返すもの	消費クレジット
resolve_company	`q`: 検索語 (1~100文字)	最上位 1 社の code と name と match (stage)	1 (0 件時は 0)
search_companies	`q`: 検索語､`limit`: 件数 (既定 3･最大 5)､`fields`: 属性列 (既定 code,name)､絞り込み条件	候補の一覧	1 (0 件時は 0)
get_company	`code`: 証券コード (4桁/5桁)､`fields`: 列名 (カンマ区切り｡既定 ir_url)	1 社の指定列データ	要求した列数 (1列=1クレジット)
list_changes	`since`: 開始時点 (ISO 8601 または版名)､`limit`: 件数 (既定 50)､`column`: 列名絞り込み	変更行の一覧	返された行数 (1行=1クレジット)
get_balance	なし	クレジット残高とロットの有効期限	0
list_fields	なし	列一覧･単価･出典情報	0

注意点

search_companies の fields には属性列 (code, code4, name, name_current, kana, en, industry, fiscal_month, prefecture, city) のみ指定できます｡URL 列 (ir_url, tanshin_url) や別名 (aliases) は指定できません｡
URL 列が必要な場合は､まず resolve_company または search_companies で証券コードを取得し､その後 get_company で必要な列を指定してください｡

残高不足時の案内

クレジット残高が不足した場合 (HTTP 402)､例外 (エラー) にはならず､以下のように購入ページの案内文が返されます｡

残高不足です｡購入ページ: https://irkumo.com/pricing.html (残高 0)

credits_charged: 0 / credits_remaining: 0

案内された URL から追加のクレジットパックを購入できます｡

レート制限

API はキーごとに 20 リクエスト / 10 秒のレート制限が設定されています｡制限を超過した場合 (HTTP 429) は しばらく待って再試行してください｡ (レート制限超過) というメッセージが返されます｡少し時間をおいてから再試行してください｡

irkumo

Overview

PopNx MCP’s three pillars

What you can do with it

Install

Before you install

Values you fill in

What it can do

Basic checksi

Maker matches the repo

Still maintained

Has a licence

Endpoint responds

Sign-in with OAuth

No hidden instructions in tool descriptions

Compared with others in Otheri

Common questions

Alternatives

Spec Driven Development

Remote Desktop Commander

Python MCP

README from the maker

irkumo-mcp

概要

できること

必要要件

インストールと起動

npx から直接実行 (パッケージ公開後)

ローカルビルドからの実行

環境変数

クライアント設定例

1. Claude Desktop

2. Claude Code

3. Cursor

道具一覧と消費クレジット

注意点

残高不足時の案内

レート制限