# io.github.dqj1998/japan-company-info-mcp-bridge (npm · japan-company-info-mcp-bridge)

Offline MCP for verified Japanese corporate data: EDINET XBRL financials, NTA IDs, gBizINFO.

- Trust score: 76/100 (medium)
- Change this week: +5
- Registry status: active
- Liveness: live
- Owner verified: no
- Last scored: 2026-09-25

## Components

- npm · `japan-company-info-mcp-bridge`: 76/100 (this document), [markdown](https://verifymcp.io/servers/dqj1998-japan-company-info-mcp-bridge/japan-company-info-mcp-bridge.md), [page](https://verifymcp.io/servers/dqj1998-japan-company-info-mcp-bridge/japan-company-info-mcp-bridge)

## Channel facts

- Registry: `npm`
- Package: `japan-company-info-mcp-bridge`
- Version: `1.2.3`
- Transport: `stdio`

## Trust breakdown

How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. Scores are 0–100 per category. Scoring method: https://verifymcp.io/docs/scoring (what has changed: https://verifymcp.io/docs/scoring/changelog)

Scored 2026-09-25.

- **Supply Chain Security**: 100/100
  - No malware found by supply-chain analysis.
  - No known CVEs affecting this package version or its production dependencies.
  - No install/post-install scripts declared.
  - 0 of 4 dependencies flagged as unhealthy.
- **Provenance & Transparency**: 97/100
  - Source repository is publicly reachable at the declared URL.
  - Cryptographically verified build provenance (signed, bound to dqj1998/japan-company-info-mcp-bridge).
  - Clear OSI-approved license (MIT).
  - Actively maintained (last published 10 days ago).
  - Disclosure check failed: no security disclosure policy was found in the source repository.
- **Schema Quality & AI Usability**: 38/100
  - 0% of prompts and resources have a non-trivial description (not blank, and not just the item's name).
  - AI-judged instruction clarity (good).
  - Context-footprint check failed: tool/resource definitions use about 1757 tokens (~219/item across 8 items; 7 tools + 1 resources), over budget; trim descriptions and params.
  - Usage-examples check failed: none of the tools include examples.
- **Stability & Change Management**: 37/100
  - Stability observed for 11 of 30 days with no destabilising changes; credit accrues until the full window elapses.
- **Tool Coverage**: 100/100
  - 100% of tools have a non-trivial description (not blank, and not just the tool's name).
  - 100% of tool parameters carry a description.
- **Tool Safety**: 100/100
  - No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.
  - We read all 7 captured tool definition(s), and no name or description among them implies an irreversible operation.
  - An AI judge read all 8 captured unit(s) of tool text and found none that tries to manipulate the model reading it.
- **Capabilities**: 20/100
  - Spec-recency check failed: implements MCP spec 2024-11-05; the latest is 2026-07-28.

## Install

### How do I install the io.github.dqj1998/japan-company-info-mcp-bridge server?

io.github.dqj1998/japan-company-info-mcp-bridge runs locally as an npm package, launched with npx -y japan-company-info-mcp-bridge. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.

### Claude

```bash
claude mcp add dqj1998-japan-company-info-mcp-bridge -- npx -y japan-company-info-mcp-bridge
```

### Cursor

```json
{
  "mcpServers": {
    "dqj1998-japan-company-info-mcp-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "japan-company-info-mcp-bridge"
      ]
    }
  }
}
```

### VS Code

```json
{
  "servers": {
    "dqj1998-japan-company-info-mcp-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "japan-company-info-mcp-bridge"
      ]
    }
  }
}
```

### Codex

```bash
codex mcp add dqj1998-japan-company-info-mcp-bridge -- npx -y japan-company-info-mcp-bridge
```

### opencode

```json
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "dqj1998-japan-company-info-mcp-bridge": {
      "type": "local",
      "command": [
        "npx",
        "-y",
        "japan-company-info-mcp-bridge"
      ],
      "enabled": true
    }
  }
}
```

### OpenClaw

```bash
openclaw mcp add dqj1998-japan-company-info-mcp-bridge --command npx --arg -y --arg japan-company-info-mcp-bridge
```

### Hermes

```yaml
mcp_servers:
  dqj1998-japan-company-info-mcp-bridge:
    command: "npx"
    args: ["-y", "japan-company-info-mcp-bridge"]
```

### Netclaw

```json
{
  "McpServers": {
    "dqj1998-japan-company-info-mcp-bridge": {
      "Transport": "stdio",
      "Command": "npx",
      "Arguments": [
        "-y",
        "japan-company-info-mcp-bridge"
      ]
    }
  }
}
```

### Vellum

```bash
assistant mcp add dqj1998-japan-company-info-mcp-bridge -t stdio -c npx -a -y japan-company-info-mcp-bridge
```

### Other

```json
{
  "mcpServers": {
    "dqj1998-japan-company-info-mcp-bridge": {
      "command": "npx",
      "args": [
        "-y",
        "japan-company-info-mcp-bridge"
      ]
    }
  }
}
```

## Changelog

Every change recorded for this component, newest first. Days that predate change tracking, or that we cannot explain, say so: "we were watching and nothing happened" and "we were not watching" are different claims.

### 2026-09-25 (score 76, 0)

- [functional] We updated how we score, so this day's move reflects our rubric, not a change to the server

### 2026-09-24 (score 76, +1)

No change was recorded against any check on this day. Stability & Change Management went from 30 to 33. That category is still filling its 30-day observation window: 9 days of observed history at the previous scan, 10 at this one. The score rises as the window fills, whether or not the server changes.

### 2026-09-22 (score 75, +4)

- [functional regression] Security disclosure: unverified → fail
- [functional improvement] Stability: unverified → 0.27

### 2026-09-20 (score 71, 0)

- [functional regression] Security disclosure: fail → unverified

### 2026-09-15 (score 71, +15)

- [security improvement] Malware scan: unverified → pass

### 2026-09-14 (score 56)

First indexed and scored.

## MCP tools (7)

### `search_knowledge` (~319 tokens)

Search the Japanese corporate knowledge base with raw keyword, fuzzy, semantic, or hybrid retrieval — the flexible fallback for open-ended questions the domain tools do not cover. Runs fully offline and returns ranked text records (company registry fields, EDINET financials, major shareholders, gBizINFO certifications, and industry benchmarks) ordered by relevance; this Free edition indexes 192 blue-chip companies. The 'vector' and 'hybrid' methods trigger a one-time ~220MB embedding-model download on first use, while 'bm25' and 'trigram' always work offline. Prefer the domain tools (edinet_financials_usgaap, japan_corporate_registry, japan_shareholders, japan_industry_benchmarks, japan_company_search) for structured questions; use this for cross-cutting or exploratory queries. 'bm25' suits exact keywords, 'trigram' suits codes and identifiers, 'vector' suits paraphrases, and 'hybrid' fuses all rankers.

Input parameters:

- `method` (string): Search method (default: auto). 'auto': automatically picks the best available method(s). 'bm25': exact keyword match, best for precise term lookup. 'trigram': fuzzy/typo-tolerant character-level matc…
- `query` (string, required): Search query
- `top_k` (integer): Number of results (default: 5)

### `get_web_ui_url` (~25 tokens)

Get the local Web UI URL for this Orb when GUI mode is enabled

### `edinet_financials_usgaap` (~357 tokens)

Retrieve official EDINET statutory financials (income statement, balance sheet, cash flow) and executive compensation for a Japanese listed company, with accounting concepts normalized across J-GAAP, US GAAP, and IFRS. Runs fully offline on the local machine — no data leaves the host; the requested metric is internally mapped to its Japanese accounting term before searching, and results return as ranked records (company name, 13-digit corporate number, fiscal year, and the requested line items with values in ¥ millions) sourced from 有価証券報告書 XBRL filings. This Free edition indexes 192 blue-chip companies, so a company outside that set returns the closest available matches rather than an error. Use this for a specific financial figure or statement of a named company (e.g. 'Toyota operating income 2023', '経常利益 in US GAAP'); use japan_company_search to discover an entity first, or japan_corporate_registry for identity and certification data. Identify the company by 13-digit corporate number or 4-digit securities code for the most reliable match; Japanese names resolve better than English.

Input parameters:

- `company_name` (string, required): Japanese or English company name, 13-digit corporate number, or 4-digit securities code. A 13-digit number or Japanese name resolves most reliably.
- `fiscal_year` (integer): Fiscal year, e.g. 2023. Omit to retrieve the latest available year.
- `metric` (string): Financial metric, as an English GAAP term or a Japanese accounting term (e.g. 'operating_income', 'net_income', '経常利益'). Known English terms are mapped to Japanese automatically; unknown terms are se…

### `japan_corporate_registry` (~242 tokens)

Look up the official identity of a Japanese company: its 13-digit National Tax Agency corporate number, registered headquarters address, legal status, and METI gBizINFO certifications, subsidies, and commendations. Runs fully offline and returns the corporate number, registered name and address, status, and any gBizINFO records found, sourced from 法人番号公表サイト and gBizINFO; this Free edition covers 192 blue-chip companies, so out-of-set lookups return the nearest matches. Use this for KYB and entity-verification questions and for 'who or where is this company' lookups; use edinet_financials_usgaap for financial figures, or japan_company_search for fuzzy discovery. A 13-digit corporate number or an exact Japanese name gives the most reliable match.

Input parameters:

- `company_name` (string, required): Japanese or English company name, or 13-digit corporate number. A 13-digit number resolves most reliably.
- `info_type` (string): Which facet to focus on: 'identity', 'address', 'certifications', 'subsidies', or 'commendations'. Omit to retrieve all available registry information.

### `japan_shareholders` (~217 tokens)

Retrieve the major shareholders and ownership structure of a Japanese listed company from its EDINET 有価証券報告書 filing. Runs fully offline and returns a ranked list of top shareholders (name, shares held, ownership percentage) together with total shares outstanding, taken from the 大株主 section of the XBRL filing; this Free edition covers 192 blue-chip companies, so out-of-set companies return the nearest matches. Use this for ownership, cap-table, and cross-holding questions; use edinet_financials_usgaap for income-statement or balance-sheet figures, or japan_company_search to discover an entity first. Identify the company by 13-digit corporate number or 4-digit securities code for the most reliable match.

Input parameters:

- `company_name` (string, required): Japanese or English company name, 13-digit corporate number, or 4-digit securities code. A 13-digit number or Japanese name resolves most reliably.
- `top_n` (integer): Number of top shareholders to return. Omit to default to 10.

### `japan_industry_benchmarks` (~292 tokens)

Retrieve sector-level financial benchmarks for Japanese industries from the 財務省 法人企業統計調査 (Ministry of Finance Corporate Enterprise Statistics Survey): operating margin (売上高営業利益率), ordinary margin (売上高経常利益率), equity ratio (自己資本比率), and ROE (自己資本ROE) by industry and data year. Runs fully offline and returns the benchmark row(s) for the requested industry with the available metrics and their data year, sourced from the Ministry of Finance survey via e-Stat; this Free edition includes a subset of industries. Use this to benchmark a company's profitability against its sector — pair it with edinet_financials_usgaap to pull the company's own figures, then compare. Provide the industry name, preferably the Japanese 業種 label (e.g. '輸送用機械器具製造業', '純粋持株会社').

Input parameters:

- `industry` (string, required): Industry / sector name, preferably the Japanese 業種 label (e.g. '輸送用機械器具製造業', '情報通信業'). English sector names are searched as-is.
- `metric` (string): Optional benchmark metric to focus on: 'operating_margin', 'ordinary_margin', 'equity_ratio', or 'roe' (English or Japanese). Omit to return all available benchmark metrics.

### `japan_company_search` (~294 tokens)

Search across Japanese corporate registries and listed-company filings by name, securities code, corporate number, or free-text intent — the entry point when the target company is unknown or ambiguous. Runs fully offline and returns ranked candidate companies (name, corporate number, securities code, and a snippet) ordered by relevance; this Free edition indexes 192 blue-chip companies. The 'vector' and 'hybrid' methods trigger a one-time ~220MB embedding-model download on first use, while 'bm25' and 'trigram' always work offline. Use this to resolve an entity first (e.g. '半導体メーカー 東京', 'Tokyo semiconductor maker'), then call edinet_financials_usgaap, japan_shareholders, or japan_corporate_registry for details; 'trigram' suits codes and identifiers, 'hybrid' suits natural-language queries.

Input parameters:

- `method` (string): Retrieval method. 'auto' (default) picks the best available; 'bm25' exact keyword; 'trigram' fuzzy / identifier; 'vector' semantic (first use downloads the model); 'hybrid' fuses all rankers.
- `query` (string, required): A company name, 4-digit securities code, 13-digit corporate number, or free-text intent describing the company you are looking for.
- `top_k` (integer): Number of results to return. Omit to default to 5.

## Diagnostics

Captured diagnostic sections: Provenance, Dependencies. The full working is on the page: https://verifymcp.io/servers/dqj1998-japan-company-info-mcp-bridge/japan-company-info-mcp-bridge#diagnostics

## Score history

- 2026-09-25: 76
- 2026-09-24: 76
- 2026-09-23: 75
- 2026-09-22: 75
- 2026-09-21: 71
- 2026-09-20: 71
- 2026-09-19: 71
- 2026-09-18: 71
- 2026-09-17: 71
- 2026-09-16: 71
- 2026-09-15: 71
- 2026-09-14: 56

## Common questions

### What is the io.github.dqj1998/japan-company-info-mcp-bridge server?

io.github.dqj1998/japan-company-info-mcp-bridge is listed in the public MCP registry as io.github.dqj1998/japan-company-info-mcp-bridge. Offline MCP for verified Japanese corporate data: EDINET XBRL financials, NTA IDs, gBizINFO. This page covers its npm package (japan-company-info-mcp-bridge).

### Is the io.github.dqj1998/japan-company-info-mcp-bridge server safe to use?

io.github.dqj1998/japan-company-info-mcp-bridge scores 76 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 25 September 2026. It declares no install or post-install scripts. Its build provenance is signed and verified. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.

### What tools does the io.github.dqj1998/japan-company-info-mcp-bridge server expose?

io.github.dqj1998/japan-company-info-mcp-bridge exposes 7 tools: search_knowledge, get_web_ui_url, edinet_financials_usgaap, japan_corporate_registry, japan_shareholders, and 2 more. Their descriptions and schemas cost roughly 1,746 tokens of context every time the server is loaded.

### Is the io.github.dqj1998/japan-company-info-mcp-bridge server still maintained?

io.github.dqj1998/japan-company-info-mcp-bridge is still listed as active in the MCP registry. We last reached this channel on 25 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.

### What licence is the io.github.dqj1998/japan-company-info-mcp-bridge server under?

io.github.dqj1998/japan-company-info-mcp-bridge declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.

## Links

- npm package: https://www.npmjs.com/package/japan-company-info-mcp-bridge
- Socket report: https://socket.dev/npm/package/japan-company-info-mcp-bridge
- Repository: https://github.com/dqj1998/japan-company-info-mcp-bridge
- Website: https://mcporb.store/orb-pages/japan-company-info
- Changelog RSS feed: https://verifymcp.io/servers/dqj1998-japan-company-info-mcp-bridge/japan-company-info-mcp-bridge.xml
- Changelog JSON feed: https://verifymcp.io/servers/dqj1998-japan-company-info-mcp-bridge/japan-company-info-mcp-bridge.json
- HTML version of this page: https://verifymcp.io/servers/dqj1998-japan-company-info-mcp-bridge/japan-company-info-mcp-bridge