MCP MeasureMCP Measure

index observed

Japan Laws Search MCP

Search Japanese statutes via the e-Gov Law API. Free law_search tool.

Should I use this

Quality & Safety

A
Description quality
100%
Schema completeness
86%
Naming quality
80%
Poisoning risk
100%
Permission match
100%
Protocol compliance
100%

Based on automated analysis of tool definitions and protocol compliance.

Context Cost

~206Tokens (tool definitions)
~487 BTypical response size
Minimal attention impact (0.16% of 128k context)

This is the approximate number of tokens consumed each time the server's tools are loaded into a model's context. Higher counts reduce the attention available for other tasks.

Install

One-Click Install

Add this to your `claude_desktop_config.json` file:

{
  "mcpServers": {
    "jp-laws-search-mcp": {
      "url": "https://jp-laws-search-mcp.donniertf.workers.dev/mcp"
    }
  }
}

Remote endpoints

https://jp-laws-search-mcp.donniertf.workers.dev/mcpstreamable-http

What it can do

Tool inventory

Tools (3)

🟢 Read-only🟡 Write🔴 Delete⚪ Unknown
🟢law_search(keyword)

FREE. Search Japanese laws by keyword (Japanese or romanji terms as supported) — top 3.

Input Schema

{
  "type": "object",
  "properties": {
    "keyword": {
      "type": "string"
    }
  },
  "required": [
    "keyword"
  ]
}
🟢law_search_pro(keyword, limit, access_token)

PRO. Up to 20 law search hits for a keyword.

Input Schema

{
  "type": "object",
  "properties": {
    "keyword": {
      "type": "string"
    },
    "limit": {
      "type": "number"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  },
  "required": [
    "keyword"
  ]
}
🟢law_detail(law_id, access_token)

PRO. Fetch law detail/metadata by law_id from search results.

Input Schema

{
  "type": "object",
  "properties": {
    "law_id": {
      "type": "string"
    },
    "access_token": {
      "type": "string",
      "description": "Subscriber token from /success (or Authorization: Bearer)"
    }
  },
  "required": [
    "law_id"
  ]
}

Community

Rate this Server

Evidence

Recent observations

verifiedversion not recorded3 tools