{
  "markdown": "# JP Crypto Tax Rules — MCP Server\n\nRemote [MCP](https://modelcontextprotocol.io) server exposing **machine-readable rules-as-code for Japanese crypto-asset taxation** to AI agents — structured rules with statutory citations, tax parameters, and the current-vs-2028-reform transition logic. Built from public sources only.\n\n- **MCP endpoint (Streamable HTTP, stateless):** `https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp`\n- Machine index: [llms.txt](https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/llms.txt) · API contract: [openapi.yaml](https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/openapi.yaml)\n- Sibling gateways: [jp-m2m-mcp](https://github.com/kodandy/jp-m2m-mcp) (corporate records) · [jp-biz-opportunity-mcp](https://github.com/kodandy/jp-biz-opportunity-mcp) (tenders & subsidies)\n\n> **Not tax advice.** This is general tax-system information served as structured rules with citations. It does not respond to individual circumstances and is not a substitute for advice from a licensed tax professional (税理士). Always verify against primary sources.\n\n| Tool | Pricing | Returns |\n|---|---|---|\n| `list_tax_rules` | **Free** | Rule catalog, filterable by category / taxpayer / tax_year (resolves the applicable epoch) |\n| `get_tax_rule` | **Free** | One rule in full: statement, exceptions, statutory citations, sources |\n| `get_tax_parameters` | **Free** | Tax-rate tables and thresholds with sources (income brackets, 20.315% breakdown, filing threshold) |\n| `get_rule_pack` | 0.05 USDC (x402) | Scenario-curated bundle: `defi_staking`, `overseas_exchange`, `corporate_holding`, `transition_2028` |\n\nThe paid tool genuinely fulfills: a settled x402 payment returns the rule pack itself, not a placeholder.\n\n## Connect\n\n```bash\nclaude mcp add --transport http jp-crypto-tax https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp\n```\n\n```json\n{\n  \"mcpServers\": {\n    \"jp-crypto-tax\": {\n      \"type\": \"streamable-http\",\n      \"url\": \"https://jp-crypto-tax-rules-62ko7b2uwa-an.a.run.app/mcp\"\n    }\n  }\n}\n```\n\nNo API key and no initialize handshake required. USDC on Base (testnet during the current private beta).\n\n## Scope & sources\n\n- **Epochs:** current regime (miscellaneous income, total-average / moving-average cost basis, through FY2027 returns) and the FY2026 reform (20.315% separate taxation, 3-year loss carryforward) marked `enacted_pending` until the enforcement date is fixed.\n- **Sources:** 国税庁 暗号資産FAQ (令和7年12月版), the relevant 所得税法 / 法人税法 / 消費税法 provisions via e-Gov, and the 令和8年度税制改正大綱. Every rule carries its own citations.\n- Status: **closed private beta.** Rules, scope and pricing may change. Source of the gateway lives in a private repository; this repo hosts the public MCP documentation and registry manifest.\n\n## License\n\n[MIT](LICENSE)\n",
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  "repo_slug": "kodandy/jp-crypto-tax-rules-mcp",
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  "api": "https://agentalog.com/api/listings/mcp_io_github_kodandy_jp_crypto_tax_rules_f687d179/readme"
}