Houki NTA MCP Server

Enables retrieval and full-text search of Japanese National Tax Agency documents, including circulars, administrative guidelines, tax answers, and Q\&A examples, with live fallback and local caching.

→ shuji-bonji/houki-nta-mcp · listed on glama

Is this your MCP?

Claim it to get a verified publisher badge, a free copy of our full audit findings, and direct contact for any high-priority issues we find.

Install from

Glama

M8ven verifies MCPs across every public registry — install directly from whichever one you prefer.

// key findings

🚨

Known vulnerabilities in dependencies: 2 critical

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

⚠️

Tests do not pass

Either the test suite is broken or the code regressed. Either way the published behaviour can’t be verified by the publisher’s own tests.

// known CVEs in dependencies2 critical

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalvitest@2.1.0GHSA-5xrq-8626-4rwp

When Vitest UI server is listening, arbitrary file can be read and executed

criticalvitest@2.1.0GHSA-9crc-q9x8-hgqq

Vitest allows Remote Code Execution when accessing a malicious website while Vitest API server is listening

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configHOUKI_NTA_BASELINE_DIR

configHOUKI_NTA_DB_PATH

configINTEGRATION— 👉 [docs/HOUKI-FAMILY-.md](docs/HOUKI-FAMILY-INTEGRATION.md)

configXDG_CACHE_HOME— DB は ${:-~/.cache}/houki-nta-mcp/cache.db。詳細は [docs/DATABASE.md](docs/DATABASE.md)。

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// improvement guidance — verified publishers only

We have 3 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/shuji-bonji-houki-nta-mcp-64rc0l)](https://m8ven.ai/mcp/shuji-bonji-houki-nta-mcp-64rc0l)

commit: 783da0f2ac9b5004822ede0464ce8891f26bd9cc

code hash: 276cc1ad5d48b748cf338749298b0a6dc5cc400d7d9a4c46ae8272cad55faf1a

verified: 6/12/2026, 10:33:17 AM

view raw JSON →