Jp Crypto Tax Rules MCP Server

by kodandy Your server? Claim it

answering

Jp Crypto Tax Rules is answering right now. Last checked 14 min ago. It exposes 4 tools. Last commit 14 Jun 2026.

Machine-readable Japanese crypto-asset tax rules for AI agents: rules-as-code with citations, x402.

Uptime history 47 days of history · worst day 98%

47 days agonow

100.0%

Uptime 24h

91 of 91 checks

Tools

read from the server

597 ms

Response time

average over 24h

Stars

last commit 14 Jun 2026

Jp Crypto Tax Rules missed one check this week

Everything else answered, so this is steady rather than shaky. We check every 15 minutes, which is how a one-off gets told apart from the start of a pattern, and how you hear about the next one within the hour instead of from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 14 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add jp-crypto-tax-rules --transport http https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "jp-crypto-tax-rules": {
      "url": "https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.jp-crypto-tax-rules]
url = "https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "jp-crypto-tax-rules": {
      "url": "https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "jp-crypto-tax-rules": {
      "url": "https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp"
    }
  }
}

Available tools 4

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

tax

get_tax_parameters

FREE — returns structured tax parameters with per-value sources: progressive income tax brackets, resident tax and reconstruction surtax figures, the 2028-reform separate-taxation rate and loss-carryforward years, and the salary-filer filing threshold. Approximate reference values from public sources; not tax advice. 一般的な税制情報の提供であり、個別の税務判断は税理士にご相談ください。

get_tax_rule

FREE — returns one full structured rule: statement, exceptions, status, effective dates, machine tags and statutory citations (sources), served verbatim from the versioned rules corpus. Not tax advice. 一般的な税制情報の提供であり、個別の税務判断は税理士にご相談ください。

list_tax_rules

FREE — returns structured rules. Catalog of machine-readable Japanese crypto-asset tax rules (rules-as-code): titles, status (current / enacted_pending), effective dates and statutory citations, filterable by category, taxpayer and tax_year. tax_year resolves the current-vs-2028-reform epoch per rule (applies / pending_enforcement). Sources are public only (NTA FAQ, e-Gov statutes, MOF documents); not tax advice. 一般的な税制情報の提供であり、個別の税務判断は税理士にご相談ください。

rule

get_rule_pack

Scenario-curated bundle of full structured rules (statements, citations, parameters) for one use case: defi_staking | overseas_exchange | corporate_holding | transition_2028. Paid via x402: each call costs 0.05 USDC. This tool returns the HTTP 402 payment challenge (spec-conformant accepts list) for the pack resource. The 402 is real: settle it against /v1/packs/{scenario} with an X-PAYMENT header and the 200 response delivers the full pack body ({status:"settled", settlement, pack}) — payment buys the actual structured rules, not a receipt. Not tax advice. 一般的な税制情報の提供であり、個別の税務判断は税理士にご相談ください。

Endpoints

URL	Transport	State	Latency	Checked
https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp	streamable-http	answering	639 ms	14 min ago

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Jp Crypto Tax Rules — questions

Answers built from our own checks of this server.

What can Jp Crypto Tax Rules do?

It exposes 4 tools, read directly from the server on our last check. Among them: get_rule_pack, get_tax_parameters, get_tax_rule, list_tax_rules. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is Jp Crypto Tax Rules working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 91 of 91 checks got a reply (100.0%), average response time 597 ms. The bar chart above shows every period we have measured.

How do I connect Jp Crypto Tax Rules?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address.

Does Jp Crypto Tax Rules need an API key?

No. Jp Crypto Tax Rules completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 4 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Jp Crypto Tax Rules?

It answers our handshake in 597 ms on average, which is faster than 21% of all working MCP servers we measure. That is on the slow side — worth knowing if the tool sits inside an interactive loop. The comparison comes from our own checks across the whole registry, every 15 minutes.

Is Jp Crypto Tax Rules open source?

Yes — it is published under the MIT licence and 0 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.