Edinet Mcp

io.github.ajtgjmdjpPublished by GitHub account ajtgjmdjpv0.4.1Updated Oct 25, 2026

Access Japanese financial disclosures (EDINET). Search companies, retrieve BS/PL/CF statements.

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Overview

AI-generated overview

Local MCP server that gives an AI assistant access to Japanese EDINET corporate filings, including normalized financial statements and narrative sections.

What you can do
Search companies by name, securities code or EDINET code, and list filings for a period or company, plus company details and available financial line-item labels. Retrieve normalized balance sheet, income statement and cash flow data across J-GAAP, IFRS and US-GAAP, with Japanese or English labels. Calculate financial metrics such as ROE, ROA and margins, and compare periods with change amounts and growth rates. Screen and compare metrics across up to 20 companies at once. Extract narrative sections such as business risks, MD&A and management policy as paged plain text. Optionally fetch verifiable evidence receipts for key figures.
When to use it
Useful when you need to research listed Japanese companies from primary filings: latest results, financial statements, profitability metrics, year-over-year changes, peer screening, or qualitative risk and MD&A text, with figures traceable to the original filing.
Requirements
Runs locally as a Python package (pip or uvx) or Docker image, configured over stdio. Requires a free EDINET API key supplied in the EDINET_API_KEY environment variable, and network access to the EDINET service. The optional receipts feature needs an extra install.
Before you install
The EDINET_API_KEY is a secret placed in the MCP config or environment; keep it out of shared files. Queries and company lookups are sent to EDINET, a third-party government service, subject to its rate limits. The period parameter is the filing year, not the fiscal year, so results can be misread if confused.

Installation

In SourceWeft

  1. Open Edinet Mcp in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Desktop only via STDIO. STDIO servers start a local process, so they need the SourceWeft desktop host.

Other MCP clients

Follow the launch instructions in the repository.

README

edinet-mcp

EDINET XBRL parsing library and MCP server for Japanese financial data.

日本語版READMEはこちら

[PyPI] [Python] [CI] [Downloads] [License] [ClawHub]

📝 日本語チュートリアル: Claude に聞くだけで上場企業の決算がわかる (Zenn)

Part of the Japan Finance Data Stack: edinet-mcp (securities filings) | tdnet-disclosure-mcp (timely disclosures) | estat-mcp (government statistics) | stockprice-mcp (stock prices & FX)

Building a high-throughput pipeline, batch-parsing thousands of filings, or need SEC EDGAR coverage too? See xbrl-facts — a Rust iXBRL engine for SEC + EDINET with byte-range provenance.

What it looks like

Ask your AI assistant (with edinet-mcp connected):

You: トヨタの最新の決算と、会社が挙げている主要なリスクを教えて

Claude: トヨタ自動車 (E02144) の有価証券報告書(2026年6月10日提出)によると——

  • 売上高: 50.7兆円(前期 48.0兆円、約 +5.5%)
  • 事業等のリスク(有報本文より): 自動車市場の競争激化 — CASE などの技術革新が進むことで競争は一層激化し、業界再編につながる可能性も指摘 …

Every number and passage above is fetched from the actual EDINET filing via get_financial_statements / get_narrative — nothing comes from the model's memory.

What is this?

edinet-mcp provides programmatic access to Japan's EDINET financial disclosure system. It normalizes XBRL filings across accounting standards (J-GAAP / IFRS / US-GAAP) into canonical Japanese labels and exposes them as an MCP server for AI assistants.

  • Search 5,000+ listed Japanese companies
  • Retrieve annual/quarterly/semiannual reports (有価証券報告書, 四半期報告書, 半期報告書) plus extraordinary (臨時報告書) and large shareholding (大量保有報告書) filings
  • Automatic normalization: stmt["売上高"] works regardless of accounting standard
  • Bilingual labels: stmt["Revenue"] works too (case-insensitive), and the MCP tool supports language='en' for fully English output
  • Financial metrics (ROE, ROA, profit margins) and year-over-year comparisons
  • Parse XBRL into Polars/pandas DataFrames (BS, PL, CF)
  • Multi-company screening: Compare financial metrics across up to 20 companies
  • Cross-period diff (xbrl-diff): Compare financial statements across periods with change amounts (増減額) and growth rates (増減率)
  • Narrative sections: extract 事業等のリスク, MD&A, 経営方針 and more as plain text (get_narrative)
  • Evidence receipts (optional): machine-verifiable claim-to-source records for key figures, backed by the xbrl-facts Rust engine (get_receipts, pip install edinet-mcp[receipts])
  • MCP server with 11 tools for Claude Desktop and other AI tools

Why edinet-mcp?

Unlike commercial EDINET data APIs, edinet-mcp is fully free and local: the XBRL parser runs on your machine, the only credential you need is a free EDINET API key from the FSA, and every number is traceable to the original filing. No paid tiers, no usage caps beyond EDINET's own rate limits, Apache-2.0 licensed.

Quick Start

Installation

bash
pip install edinet-mcp# oruv add edinet-mcp# or with Dockerdocker run -e EDINET_API_KEY=your_key ghcr.io/ajtgjmdjp/edinet-mcp serve

Get an API Key

Register (free) at EDINET and set:

bash
export EDINET_API_KEY=your_key_here

30-Second Example

python
import asynciofrom edinet_mcp import EdinetClient
async def main():    async with EdinetClient() as client:        # Search for Toyota        companies = await client.search_companies("トヨタ")        print(companies[0].name, companies[0].edinet_code)        # トヨタ自動車株式会社 E02144
        # Get normalized financial statements        stmt = await client.get_financial_statements("E02144", period="2025")
        # Dict-like access — works for J-GAAP, IFRS, and US-GAAP        revenue = stmt.income_statement["売上高"]        print(revenue)  # {"当期": 45095325000000, "前期": 37154298000000}
        # English labels work too (case-insensitive)        assert stmt.income_statement["Revenue"] == revenue        print(stmt.income_statement.labels_en)        # ["Revenue", "Cost of Sales", "Gross Profit", ...]
        # See all available line items        print(stmt.income_statement.labels)        # ["売上高", "売上原価", "売上総利益", "営業利益", ...]
        # Export as DataFrame        print(stmt.income_statement.to_polars())
asyncio.run(main())

Narrative Sections (定性情報)

python
import asynciofrom edinet_mcp import EdinetClient
async def main():    async with EdinetClient() as client:        # 事業等のリスク as plain text        risks = await client.get_narrative("E02144", "business_risks")        print(risks.text[:200])
        # Other sections: mdna, business_policy, description_of_business,        # corporate_governance, research_and_development
asyncio.run(main())

Financial Metrics

python
import asynciofrom edinet_mcp import EdinetClient, calculate_metrics
async def main():    async with EdinetClient() as client:        stmt = await client.get_financial_statements("E02144", period="2025")        metrics = calculate_metrics(stmt)        print(metrics["profitability"])        # {"売上総利益率": "25.30%", "営業利益率": "11.87%", "ROE": "12.50%", ...}
asyncio.run(main())

Multi-Company Screening

python
import asynciofrom edinet_mcp import EdinetClient, screen_companies
async def main():    async with EdinetClient() as client:        result = await screen_companies(            client,            ["E02144", "E01777", "E01967"],  # Toyota, Sony, Keyence            period="2025",            sort_by="営業利益率",  # Sort by operating margin        )        for r in result["results"]:            print(f"{r['company_name']}: {r['profitability']['営業利益率']}")        # 株式会社キーエンス: 51.91%        # ソニーグループ株式会社: 11.69%        # トヨタ自動車株式会社: 9.98%
asyncio.run(main())

Cross-Period Diff

python
import asynciofrom edinet_mcp import EdinetClient, diff_statements
async def main():    async with EdinetClient() as client:        result = await diff_statements(            client, "E02144",            period1="2024", period2="2025",        )        for d in result["diffs"][:5]:            print(f"{d['科目']}: {d['増減額']:+,.0f} ({d['増減率']})")        # 売上高: +7,941,027,000,000 (+21.38%)        # 営業利益: +1,204,832,000,000 (+28.44%)        # ...
asyncio.run(main())

MCP Server

Add to your AI tool's MCP config:

Claude Desktop (~⁠/Library/Application Support/Claude/claude_desktop_config.json)
json
{  "mcpServers": {    "edinet": {      "command": "uvx",      "args": ["edinet-mcp", "serve"],      "env": {        "EDINET_API_KEY": "your_key_here"      }    }  }}
Cursor (~⁠/.cursor/mcp.json)
json
{  "mcpServers": {    "edinet": {      "command": "uvx",      "args": ["edinet-mcp", "serve"],      "env": {        "EDINET_API_KEY": "your_key_here"      }    }  }}
Claude Code
bash
claude mcp add edinet -- uvx edinet-mcp serve# Then set EDINET_API_KEY in your environment

Then ask your AI: "トヨタの最新の営業利益を教えて"

Available MCP Tools

ToolDescription
search_companies企業名・証券コード・EDINETコードで検索
get_filings指定期間の開示書類一覧を取得
get_financial_statements正規化された財務諸表 (BS/PL/CF) を取得
get_financial_metricsROE・ROA・利益率等の財務指標を計算
compare_financial_periods前年比較(増減額・増減率)
screen_companies複数企業の財務指標を一括比較(最大20社)
get_narrative定性情報(事業等のリスク・MD&A 等)をページング付きで取得
get_receipts主要科目の検証可能な evidence receipt を取得(要 [receipts] extra)
list_available_labels取得可能な財務科目の一覧
get_company_info企業の詳細情報を取得
diff_financial_statements2期間の財務諸表を比較(増減額・増減率)

Note: The period parameter is the filing year, not the fiscal year. Japanese companies with a March fiscal year-end file annual reports in June of the following year (e.g., FY2024 → filed 2025 → period="2025").

CLI

bash
# Search companiesedinet-mcp search トヨタ
# Fetch income statementedinet-mcp statements -c E02144 -p 2024
# Screen multiple companiesedinet-mcp screen E02144 E01777 E02529 --sort-by ROE
# Compare across periods (xbrl-diff)edinet-mcp diff -c E02144 -p1 2023 -p2 2024
# Start MCP serveredinet-mcp serve

API Reference

EdinetClient

All client methods are async. Use async with for proper resource cleanup:

python
import asynciofrom edinet_mcp import EdinetClient
async def main():    async with EdinetClient(        api_key="...",        # or EDINET_API_KEY env var        cache_dir="~/.cache/edinet-mcp",        rate_limit=0.5,       # requests per second    ) as client:        # Search        companies: list[Company] = await client.search_companies("query")        company: Company = await client.get_company("E02144")
        # Filings        filings: list[Filing] = await client.get_filings(            start_date="2024-01-01",            edinet_code="E02144",            doc_type="annual_report",        )
        # Financial statements (by edinet_code + period)        stmt: FinancialStatement = await client.get_financial_statements(            edinet_code="E02144",            period="2024",  # Filing year (not fiscal year)        )
        # Or get the most recent filing (within past 365 days)        stmt = await client.get_financial_statements(edinet_code="E02144")
        df = stmt.income_statement.to_polars()  # Polars DataFrame        df = stmt.income_statement.to_pandas()  # pandas DataFrame (optional dep)
asyncio.run(main())

Filing

Filing objects returned by get_filings() have the following attributes:

python
for filing in filings:    print(filing.description)    # "有価証券報告書-第121期(...)"    print(filing.filing_date)    # datetime.date(2025, 6, 18)    print(filing.doc_id)         # "S100VWVY"    print(filing.company_name)   # "トヨタ自動車株式会社"    print(filing.period_start)   # datetime.date(2024, 4, 1)    print(filing.period_end)     # datetime.date(2025, 3, 31)

StatementData

Each financial statement (BS, PL, CF) is a StatementData object with dict-like access:

python
# Dict-like access by Japanese labelstmt.income_statement["売上高"]       # → {"当期": 45095325, "前期": 37154298}stmt.income_statement.get("営業利益") # → {"当期": 5352934} or Nonestmt.income_statement.labels          # → ["売上高", "営業利益", ...]
# DataFrame exportstmt.balance_sheet.to_polars()    # → polars.DataFramestmt.balance_sheet.to_pandas()    # → pandas.DataFrame (requires pandas)stmt.balance_sheet.to_dicts()     # → list[dict]len(stmt.balance_sheet)           # number of line items
# Raw XBRL data preservedstmt.income_statement.raw_items   # original pre-normalization data

Normalization

edinet-mcp automatically normalizes XBRL element names across accounting standards:

Accounting StandardXBRL ElementNormalized Label
J-GAAPNetSales売上高
IFRSRevenue, SalesRevenuesIFRS売上高
US-GAAPRevenues売上高

Mappings are defined in taxonomy.yaml — 161 items covering PL (42), BS (79), and CF (40), with IFRS/US-GAAP element variants automatically resolved via suffix stripping. Add new mappings by editing the YAML file, no code changes needed.

python
from edinet_mcp import get_taxonomy_labels
# Discover available labelslabels = get_taxonomy_labels("income_statement")# [{"id": "revenue", "label": "売上高", "label_en": "Revenue"}, ...]

EDINET Suffix Stripping

EDINET appends accounting-standard and section-specific suffixes to XBRL element names (e.g., TotalAssetsIFRSSummaryOfBusinessResults). These are automatically stripped to match canonical taxonomy entries. Non-consolidated (単体) contexts are filtered out to prefer consolidated figures.

Architecture

EDINET API → Parser (XBRL/TSV) → Normalizer (taxonomy.yaml) → MCP Server                                        ↓                              StatementData["売上高"]                              calculate_metrics(stmt)                              compare_periods(stmt)

Development

bash
git clone https://github.com/ajtgjmdjp/edinet-mcpcd edinet-mcpuv sync --extra devuv run pytest -v           # 336 testsuv run ruff check src/

Data Attribution

This project uses data from EDINET (Electronic Disclosure for Investors' NETwork), operated by the Financial Services Agency of Japan (金融庁). EDINET data is provided under the Public Data License 1.0.

Related Projects

Japan Finance Data Stack (by same author):

Community:

License

Apache-2.0. See NOTICE for third-party attributions.

Source: README.md at commit 5fbcb95

Tools

0
SourceWeft has not started this package in its sandbox yet, so its tools are not known.

Version history

1
  1. v0.4.1LatestSep 16, 2026

Score

50% of the applicable checks met

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  • Reached in the last 30 days25 pts

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  • Auth declared10 pts

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  • Tools listed15 pts

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  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts
  • License10 pts