Houki Egov MCP

日本の法令（憲法・法律・政令・省令・規則）を e-Gov 法令API v2 から、条・項・号の単位で、法令番号と URL を添えて返す MCP サーバーです。税法・労働法・会社法・民法など、分野を問わず条文を LLM から引けます。. It runs locally over stdio via the published package.

People who work with egov, japan and japanese law and want it reachable from Claude, Cursor, VS Code, or another MCP client. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-28 · ★ 2 · #36 OF 292 MAINTAINED API INTEGRATION · VERIFIED 2026-09-30

MIT · TypeScript servers · how we verify → /methodology

01 · Install Houki Egov MCP

Claude Code

claude mcp add shuji-bonji-houki-egov-mcp -- npx -y @shuji-bonji/houki-egov-mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "shuji-bonji-houki-egov-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "@shuji-bonji/houki-egov-mcp"
      ]
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as local process (stdio) - runs on your machine with your user's permissions

license MIT - declared in the repository

npm package @shuji-bonji/houki-egov-mcp - published under the repo owner's npm scope (@shuji-bonji)

registry namespace io.github.shuji-bonji is GitHub-verified and matches the repo owner

03 · Who maintains Houki Egov MCP

houki-egov-mcp is maintained by shuji-bonji. We track 6 MCP servers from shuji-bonji - 6 actively maintained, 8 combined GitHub stars, oldest repo from Feb 2026. Full record: all servers from shuji-bonji.

  1. houki-nta-mcp Japan NTA tax notices (tsutatsu) and Q&A, marked with legal_status and linked back to the law. ★ 2
  2. PDF Reader (PDF Agent Stack) Read PDF internals: text, structure, fonts, signatures and tags, with what was not read declared. ★ 2
  3. PDF Spec (PDF Agent Stack) Look up ISO 32000 (PDF) clauses, requirements and terms. A reference, not a conformance checker. ★ 2

04 · Facts

repository
github.com/shuji-bonji/houki-egov-mcp
category
API integration - ranked #36 of 292 actively-maintained API integration servers as of 2026-09-30.
registry
io.github.shuji-bonji/houki-egov-mcp (active, first published 2026-09-18 · 18 versions)
packages
npm:@shuji-bonji/houki-egov-mcp

05 · Houki Egov MCP FAQ

What is Houki Egov MCP?

日本の法令（憲法・法律・政令・省令・規則）を e-Gov 法令API v2 から、条・項・号の単位で、法令番号と URL を添えて返す MCP サーバーです。税法・労働法・会社法・民法など、分野を問わず条文を LLM から引けます。. It runs locally over stdio via the published package.

Is Houki Egov MCP still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-28. We re-verify nightly.

How do I install Houki Egov MCP?

Run `npx -y @shuji-bonji/houki-egov-mcp`. You can also paste the ready-made client config above.

Does Houki Egov MCP run locally?

Yes - it's a stdio server: it runs on your machine (via npx) with your user's permissions. Your data stays local unless the server itself calls external APIs.

06 · Alternatives to Houki Egov MCP

Alternatives to Houki Egov MCP

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